isl62883ceval2z user guide - intersil.com · vin + _ tp35 tp36 vccsense vsssense ... • j1: set...

21
USER’S MANUAL AN1557 Rev 0.00 Apr 1, 2010 ISL62883CEVAL2Z Evaluation Board AN1557 Rev 0.00 Page 1 of 21 Apr 1, 2010 Introduction The ISL62883CEVAL2Z evaluation board demonstrates the performance of the ISL62883 multiphase synchronous-buck PWM V CORE controller implementing Intel IMVP-6.5 protocol. The ISL62883 features Intersil's Robust Ripple Regulator (R 3 ) technology. An on-board dynamic-load generator is included for evaluating the transient-load response. It applies a 300μs pulse of approximately 25m load across V O and PGND. Contents of this document include: • Design Criteria • Recommended Test Equipment • Interface Connections • Switch Descriptions DIP Switch Descriptions • Jumper Descriptions • Test Point Descriptions • Evaluation Board Documentation - Bill of materials - Schematic - Silk-screen plots - Board layer plots Recommended Equipment • (QTY 1) Adjustable 25V, 10A Power Supply • (QTY 1) Fixed 5V, 100mA Power Supply • (QTY 1) Fixed 12V, 100mA Power Supply • (QTY 1) Adjustable Constant Current Electronic Load • (QTY 1) Digital Voltmeter • (QTY 1) Four-Channel Oscilloscope Interface Connections •V IN : Input Voltage to the Power Stage - J5: V IN Positive Power Input - TP31: V IN Positive Voltage Sense - J6: V IN Return Power Input - TP32: V IN Return Voltage Sense •V O: Regulated Output Voltage - J11 and J12: V O Positive Power Output - J13 and J14: V O Return Power Output • +5V: +5V Input Voltage - TP29: +5V Positive Input - TP30: +5V Return Input • +12V: Input Voltage for the Dynamic-load Generator - TP3: 12V Positive Input - TP2: 12V Return Input Test Set-up FIGURE 1. TEST SET-UP Switch Descriptions S3: Enable - OFF: Short the VR_ON pin to GND (disable PWM) - ON: Allow the VR_ON pin to pull-up to +5V (enable PWM) • S5: Dynamic Load - OFF: On-board dynamic load disabled - ON: On-board dynamic load enabled TABLE 1. DC/DC DESIGN CRITERIA PARAMETER VALUE UNITS V IN 4.5 to 20 VDC V O 0 to 1.5 VDC Full-load 75 ADC PWM Frequency 300 kHz 1 0 U2 ISL62883CEVAL2Z ON OFF 0 1 TP37 TP29 TP30 J9 J8 J7 VID0 VID1 VID2 VID3 VID4 VID5 VID6 VIN + _ TP35 TP36 PHASE1 PHASE2 PHASE3 VSSSENSE VCCSENSE J10 VCORE ON OFF S3 S2 TP3 TP2 5V + _ J12 VCORE J11 VCORE J14 PGND J13 PGND J1 J2 J3 J4 S1 PSI# DPRSLPVR +3.3V +5V PGND J6 PGND J5 VIN D1 J16

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USER’S MANUAL

AN1557Rev 0.00

Apr 1, 2010

ISL62883CEVAL2ZEvaluation Board

IntroductionThe ISL62883CEVAL2Z evaluation board demonstrates the performance of the ISL62883 multiphase synchronous-buck PWM VCORE controller implementing Intel IMVP-6.5 protocol. The ISL62883 features Intersil's Robust Ripple Regulator (R3) technology. An on-board dynamic-load generator is included for evaluating the transient-load response. It applies a 300µs pulse of approximately 25m load across VO and PGND.

Contents of this document include:

• Design Criteria• Recommended Test Equipment• Interface Connections• Switch Descriptions• DIP Switch Descriptions• Jumper Descriptions• Test Point Descriptions• Evaluation Board Documentation

- Bill of materials- Schematic- Silk-screen plots- Board layer plots

Recommended Equipment• (QTY 1) Adjustable 25V, 10A Power Supply• (QTY 1) Fixed 5V, 100mA Power Supply• (QTY 1) Fixed 12V, 100mA Power Supply• (QTY 1) Adjustable Constant Current Electronic Load• (QTY 1) Digital Voltmeter• (QTY 1) Four-Channel Oscilloscope

Interface Connections• VIN: Input Voltage to the Power Stage

- J5: VIN Positive Power Input- TP31: VIN Positive Voltage Sense- J6: VIN Return Power Input- TP32: VIN Return Voltage Sense

• VO: Regulated Output Voltage- J11 and J12: VO Positive Power Output- J13 and J14: VO Return Power Output

• +5V: +5V Input Voltage- TP29: +5V Positive Input- TP30: +5V Return Input

• +12V: Input Voltage for the Dynamic-load Generator- TP3: 12V Positive Input- TP2: 12V Return Input

Test Set-up

FIGURE 1. TEST SET-UP

Switch Descriptions• S3: Enable

- OFF: Short the VR_ON pin to GND (disable PWM)- ON: Allow the VR_ON pin to pull-up to +5V (enable

PWM)

• S5: Dynamic Load- OFF: On-board dynamic load disabled- ON: On-board dynamic load enabled

TABLE 1. DC/DC DESIGN CRITERIA

PARAMETER VALUE UNITS

VIN 4.5 to 20 VDC

VO 0 to 1.5 VDC

Full-load 75 ADC

PWM Frequency 300 kHz

10 U2

ISL62883CEVAL2Z

ON

OFF

0

1

TP37

TP29

TP30J9J8J7

VID0VID1VID2VID3VID4VID5VID6

VIN

+

_

TP35 TP36

PHASE1 PHASE2 PHASE3VSSSENSEVCCSENSE

J10VCORE

ON

OFF

S3

S2

TP3

TP2

5V

+

_

J12VCORE

J11VCORE

J14PGND

J13PGND

J1J2

J3

J4

S1

PS

I#D

PRSL

PVR

+3.3V

+5V

PGND

J6PGND

J5VIN

D1

J16

AN1557 Rev 0.00 Page 1 of 21Apr 1, 2010

ISL62883CEVAL2Z

DIP-Switch Descriptions• S1: Set the control signals

- S1.1: Set the DPRSLPVR signal- S1.2: Set the PSI# signal

• U2: Set the VID

Jumper Descriptions• J1: Set the ISEN2 pin configuration. ISEN2 can be

connected to the power stage, tied to +5V, GND or left floating. Connect ISEN2 to the power stage when the ISL62883 is configured for 3-phase or 2-phase application. Tie ISEN2 to 5V when the ISL62883 is configured for 1-phase application.

• J2: Set the ISEN1 pin configuration. ISEN1 can be connected to the power stage, tied to +5V, GND or left floating. Connect ISEN1 to the power stage when the ISL62883 is configured for 3-phase, 2-phase application. Leave ISEN1 floating when the ISL62883 is configured for 1-phase application

• J3: If installed, the ISEN3/FB2 pin will be connected to the power stage. If uninstalled, the ISEN3/FB2 pin will be disconnected from the power stage. Install J3 when the ISL62883 is configured for 3-phase application. Uninstall J3 when the ISL62883 is configured for 2-phase or 1-phase application.

• J4: Set the PWM3 pin configuration. PWM3 can be connected to the ISL6208 driver, tied to +5V, GND or left floating. Connect PWM3 to the ISL6208 driver when the ISL62883 is configured for 3-phase application. Tie PWM3 to 5V when the ISL62883 is configured for 2-phase or 1-phase application.

• J16: If installed, the +5V rail supplies the +3.3V rail to the auxiliary circuit on the board. DO NOT APPLY +3.3V TO TP37/TP30 WHILE J16 IS INSTALLED! IT’LL SHORT THE +5V AND THE +3.3V POWER SUPPLIES. When measuring board efficiency, uninstall J16 and apply +3.3V to TP/37/TP30.

Test-point Descriptions• J7: Scope-probe socket for measuring PHASE1• J8: Scope-probe socket for measuring PHASE2• J9: Scope-probe socket for measuring PHASE3• J10: Scope-probe socket for measuring VO• J15: Scope-probe socket for measuring the current

of the on-board transient-load emulator• TP1: Monitor the on-board 1.2V power supply• TP2: +12V power supply return input.• TP3: +12V power supply positive input.• TP4: Monitor the COMP pin• TP5: Monitor the VW pin.• TP6: Monitor the FB pin.

• TP7: Monitor the DPRSLPVR pin.• TP8: Monitor the VR_TT# pin.• TP9: Monitor the PSI# pin.• TP10: Monitor the ISEN3/FB2 pin.• TP11: Monitor the ISEN2 pin.• TP12: Input side of the compensator. • TP13: Monitor the PGOOD pin.• TP14: Monitor the VSEN pin.• TP15: Monitor the ISEN1pin.• TP16: Monitor the CLK_EN# pin.• TP17: Monitor the VR_ON pin• TP18: Monitor the RTN pin.• TP19: Monitor the positive side of C82.• TP20: Monitor the negative side of C82.• TP21: Monitor the VID6 pin.• TP22: Monitor the VID5 pin.• TP23: Monitor the VID4 pin.• TP24: Monitor the VID3 pin.• TP25: Monitor the VID2 pin.• TP26: Monitor the VID1 pin.• TP27: Monitor the VID0 pin.• TP28: Monitor the IMON pin.• TP29: +5V power supply positive input.• TP30: +5V power supply return input.• TP31: VIN positive voltage sense• TP32: VIN return voltage sense• TP33: Monitor MOSFET Q3 gate signal• TP34: Monitor MOSFET Q9 gate signal.• TP35: Monitor the VCCSENSE pin of the CPU

socket U4.• TP36: Monitor the VSSSENSE pin of the CPU socket

U4.• TP37: +3.3V power supply positive input. • TP38: Monitor the VTT1 rail of the CPU socket U4.• TP39: Monitor the VTT2 rail of the CPU socket U4.

AN1557 Rev 0.00 Page 2 of 21Apr 1, 2010

ISL62883CEVAL2Z

Bill of MaterialsREFERENCE QTY VALUE PART NUMBER DESCRIPTION PACKAGE VENDOR

C1 1 0.01µF H1045-00103-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C11 1 390pF H1045-00391-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C12, C14 2 330pF H1045-00331-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C13 1 1000pF H1045-00102-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C15 DNP

C16, C2, C22, C23, C26, C79

6 1µF H1045-00105-16V20 Multilayer Cap, 16V, 20% SM0603 Generic

C18 1 0.47µF H1045-00474-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C19 DNP

C36, C37, C38, C8, C83 5 DNP

C20, C45, C58 3 0.1µF H1045-00104-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C21 1 0.22µF H1045-00224-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C24, C25 2 56µF 25SP56M Radial SP Series Cap, 25V, 20% CASE-CC Sanyo

C27, C28, C29, C33, C34, C35, C80

7 10µF H1065-00106-25V20 Multilayer Cap, 25V, 20% SM1206 Generic

C3 1 150pF H1045-00151-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C39, C44, C52, C57 4 270µF EEFSX0D271E4 POSCAP, 2V, 4.5m Panasonic

C4 1 1000pF H1045-00102-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C40 to C43, C47 to C50, C54 to C56, C59 to C61, C63 to C68,

C71 to C74

24 10µF GRM21BR61C106KE15L Multilayer Cap, 6.3V, 20% SM0805 Murata

C5, C53, C62, C69, C70, C75 to C78

9 DNP

C6 1 39pF H1045-00390-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C7, C9, C10, C17, C30, C31, C32

7 0.22µF H1045-00224-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C81 1 820pF H1045-00821-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

C82 1 0.039µF H1045-00393-16V10 Multilayer Cap, 16V, 10% SM0603 Generic

D1 1 SSL-LXA3025IGC 3mmx2.5mm Surface Mount Red/Green LED

LED_3x2_5MM Lumex

J1, J2, J4 3 67996-272 2x3 Header, 2.54mm(0.100) Pitch

CONN2x3 Berg/FCI

J10 1 131-4353-00 Scope Probe Test Point PCB Mount

TEK131-4353-00

Tektronix

J15, J7, J8, J9 0 DNP

J11 to J14 4 KPA8CTP Wire Connector Lug KPA8CTP Burndy

J3, J16 2 69190-202 2 Pin Header 2.54mm (0.100) Pitch

CONN2 Berg/FCI

J5 1 111-0702-001 Binding Post Red 111-07XX-001 Johnson-Comp

J6 1 111-0703-001 Binding Post Black 111-07XX-001 Johnson-Comp

L1, L2, L3 3 0.36µH MPCH1040LR36 Inductor, Inductance 20%, DCR 7%

NEC-Tokin

AN1557 Rev 0.00 Page 3 of 21Apr 1, 2010

ISL62883CEVAL2Z

Q1, Q14 2 2N7002-7-F N-Channel EMF Effect Transistor (Pb-Free)

SOT23 Fairchild

Q15 1 SUD50N03-07 N-Channel 30V (D-S) MOSFET TO-252AA Vishay

Q2, Q4, Q6, Q8, Q10, Q12

6 IRF7821 N-Channel Power MOSFET Power Switching

PWRPAK_SO8 IR

Q3, Q5, Q7, Q9, Q11, Q13

6 IRF7832 N-Channel Power MOSFET Power Switching

PWRPAK_SO8 IR

R1 1 49.9 H2511-049R9-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R10 1 536 H2511-05360-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R102 1 49.9k H2511-04992-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R104, R105 2 249 H2511-02490-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R106, R107 2 0.05 H2515-00R05-1W1-T Thick Film Chip Resistor, 1% SM2512 Generic

R108 1 0 H2511-00R00-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R109 1 100 H2511-01000-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R11 1 2.37k H2511-02371-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R12, R13, R15, R103 4 499 H2511-04990-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R16 1 147k H2511-01473-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R17, R18 2 10 H2511-00100-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R19, R23 2 1.91k H2511-01911-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R21, R28, R31, R36, R39, R43, R45, R46, R49, R51, R71, R72,

R73

13 10k H2511-01002-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R2, R8, R9, R26, R55, R74, R75, R76, R78, R81, R83, R84, R85,

R86, R110

16 DNP

R14, R112, R20, R22, R24, R25, R27, R29, R32, R33, R34, R40, R52, R53, R54, R56,

R57, R58

18 0 H2511-00R00-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R30 1 604 H2511-06040-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R35 1 0 H2511-00R00-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R37, R88, R90, R92 4 1 H2511-01R00-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R38 1 11k H2511-01102-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R4 1 DNP

R41 1 2.61k H2511-02611-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R42 1 10k NTC

ERT-J1VR103J Thermistor, 10k NTC SM0603 Panasonic

R44 1 DNP

R47 1 0 H2511-00R00-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R48 1 DNP

R5, R80 2 100 H2511-01000-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R50 1 8.25k H2511-08251-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

Bill of Materials (Continued)

REFERENCE QTY VALUE PART NUMBER DESCRIPTION PACKAGE VENDOR

AN1557 Rev 0.00 Page 4 of 21Apr 1, 2010

ISL62883CEVAL2Z

R59,R60,R61 3 Solder Joint (Heavy Duty)

R6 1 8.66k H2511-08661-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R62, R64, R66, R87, R89, R91

6 0 H2511-00R00-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R63, R65, R67 3 3.65k H2512-03651-1/16W1 Thick Film Chip Resistor, 1% SM0805 Generic

R68, R69, R70, R77, R79, R82

6 DNP

R7 1 324k H2511-03243-1/16W1 Thick Film Chip Resistor, 1% SM0603 Generic

R93, R94, R95, R99, R100, R101, R111,

R113

8 DNP

R96, R97, R98 3 Solder Joint (Heavy Duty)

S1 1 SD02H0SK SD Series Low Profile Dip Switch

DIPSWSMT-4 C&K

S2, S3 2 GT11MSCKE SPDT On-None-On SMT Ultraminiture Toggle Switch

GT13MSCKE C&K

S4 1 BAT54S Schottky Barrier (Double) Diode

SOT23 Diodes

T2, T3, T29, T30 4 1514-2 Test Point Turret 0.15 Pad 0.1 Thole

TP-150C100P Keystone

TP1, TP4 to TP28, TP31 to TP37

33 5002 Miniature White Test Point 0.100 Pad 0.040 Thole

MTP500X Keystone

TP38, TP39 2 DNP

U1 1 TLV431ASNT1 Low Volt Precision Adjustable Shunt Regulator

TSOP-5 On-Semi

U2 1 SD07H0SK SD Series Low Profile Dip Switch

DIPSWSMT-14 C&K

U3 1 ISL6208CBZ Synchronous Rectified MOSFET Driver

SOIC8 Intersil

U4 1 rPGA989M rPGA989 CPU Socket Foxconn

U5 1 HIP2100IBZ 100V/2A Peak High Freq Half Bridge Driver (Pb-Free)

SOIC8 Intersil

U6 1 ISL62883HRZ IMVP-6.5 PWM Controller QFN-40 Intersil

Bill of Materials (Continued)

REFERENCE QTY VALUE PART NUMBER DESCRIPTION PACKAGE VENDOR

AN1557 Rev 0.00 Page 5 of 21Apr 1, 2010

ISL62883CEVAL2Z

ISL62883CEVAL2Z Schematic

FIGURE 2. ISL62883CEVAL2Z SCHEMATICS, PAGE 1 OF 5

100

FROM POWER STAGE

ROUTE LGATE1/B TRACE IN PARALLEL WITH THE VSSP TRACE

SAME RULE APPLIES TO THE OTHER PHASE

ROUTE UGATE1 TRACE IN PARALLEL WITH THE PHASE1 TRACE

GOING TO THE SOURCE OF Q3 AND Q4.

PGOOD

2.37K

COMP

8.66K

1000PF

150PF 324K

39PFDNP

TO POWER STAGE

ISEN3/FB2

ISEN1

"0"DPRSLPVR

"1"

ON

DNP

NTC

DPRSLPVR

0.22UF

8.25K

VSUM+

330PF

-----> 10K11K

NTC

0.1UF

PSI#VID0

"1"

VID2

VID3

VID6

VID5

VID4

"0"

VID4

VID5

VID3

VID2

VID1

VID0

PWM3

5V

+5V

NOTE:

VR_ON

GND

ISEN2GND

GND

ISEN1

3.3V

PGND

GOING TO THE SOURCE OF Q1 AND Q2.

TO DRIVER

VID1

VID6

OFF

330PF

VR-TT#

+5VFROM POWER STAGE

---->

+5V

0.22UF

<VSEN>

2.61K

0

0.22UF

0.22UF

0.47UF

DNP

FB 2.37K

536

DNP

DNP

VW

1.91K

0.039UF

ISEN2

0

PSI#

0

RTN

CLK_EN#

ISEN3/FB2

390PF

PLACE NEAR Q2

/FB2

VSEN

1000PF

820PF

604

VSUM-

PLACE NEAR L1TP18 C81

C15

R109

TP14

TP15

R13

R12

TP8

R11

499

R15

PHASE2

UGATE2

10

R18

R22

2

ISL62883HRZ

10K

VSSSENSE

22

TP28

14

1.91KTLV431ASNT1

TP4

R6

R114

TP36

TP35

C83

R110

C18

21

J16

C16

TP37

C2

R108

R14

R24 R25 R27 R29 R32 R33 R34

TP12

21

J3

R8

R5

4

32

1

S1

654321

J1

C23

654321

J2

654321

J4

21

R20

41

9

8

7

6

5

40

4

39

38

37

36

35

34

33

32

31

30

3

29

28

27

26

25

24

23

21

20

19

18

17

16

15

13

12

11

10

1

U6

R2

43

5

U1

R1

C1

TP1

R50

C21

C10

C9

C7

TP11

TP10

R4

R23

R48

R47

R26

R30 R35

R21

TP6

C13

C12

1

32

S3

C19

R80

TP20

TP27

TP26

TP25

TP24

TP23

TP22

TP21

C22

R40

TP13

TP19C17

R37

C14

R17

TP5

TP9

TP16

TP7

TP17

R52

TP30

TP29

R9

C8

R16

R42C82

C20

C5

R38 R41

R44

C4

C6

C3

C11

R7

R10

2

1

3

Q1R19

R31

R28

4 2

3 1

D1

R45

R43

R39

R49

R51

R36

R46

9

87

6

5

4

3

2

14

13

12

11

10

1

U2

ISEN2

ISEN3

499

PSI#

1

EAD102L

499

10K

10K

DPRSLPVR

+3.3V

0.22UF

2N7002

OPEN

VCORE

VCCSENSE

00

10

1000PF

OPEN

49.9+3.3V

0.01UF

VCCP1.2V

0

DNP

BOOT1

UGATE1

100

ISEN1

+5V

147K

DNP

LGATE1/A

PHASE1

10K

LGATE1B

100

0

MST7_SPST

0

0

0

VID5

VID6

IMON

VSSSENSE

0

0

0

PWM30

1UF

1UF

10K

10K

10K

1UF

VIN

10K

+5V

BOOT2

10K

10K

+5V

0

LGATE2

+5V

+3.3V

0

VID4

VID0

VCCP1.2V

VID1

VID2

VID3

VSUM+

VSUM-

1UF

+5V

IN

OUT

IN

OUT

IN

OUT

IN

IN

OUT

IN

OUT

OUT

IN

IN

IN

IN

IN

IN

OUT

IN

IN

IN

OUT

IN

IN

IN

OUT

OUT

OUT

1

2

3

4

5

6

7

13

12

11

10

9

8

14

12

1 2

6421

53

6421

53

6421

53

EP

CLK_EN#

PGOOD

PSI#

RBIAS

VR_TT#

NTC

COMP

VW

FB

ISEN3

VID3

VID4

VID5

VID6

VR_ON

DPRSLPVR

UGATE2

BOOT2

PHASE2

VSSP2

LGATE2

VCCP

PWM3

LGATE1

UGATE1

BOOT1

IMON

VDD

VIN

ISUM+

ISUM-

RTN

VSEN

ISEN1

PHASE1

VSSP1

VID0

VID1

VID2

ISEN2

-

REFV1.24

+

RED

GRN

P1

P2

AN1557 Rev 0.00 Page 6 of 21Apr 1, 2010

ISL62883CEVAL2Z

T

T

FIGURE 3. ISL62883CEVAL2Z SCHEMATICS, PAGE 2 OF 5

ISL62883CEVAL2Z Schematic (Continued)

270UF

270UF

270UF

270UF

----------

DNP

----->

-->

PADS FOR SMALL INDUCTOR

PADS FOR SMALL INDUCTOR

DNP

IRF7832IRF7832

IRF7821IRF7821

IRF7832IRF7832

IRF7821IRF7821

-->

----->

-->

PHASE1

DNP

0

0.1UF

OPENINGS WITH10MIL CLEARANCE

DNP

DNP

DNP

DNP

PHASE3

0

-->

0

----->

1

-->

0

__

0.1UF

->------

PGND

0

3.65K

__----->

CLOSE TO THE PROBE SOCKET

00

1

0

PHASE2

3.65K

__

VIN

DNP

DNP

-->

0

OPENINGS WITH10MIL CLEARANCE

-->

0

10UF

10UF

10UF

10UF

10UF

10UF

10UF

DNP

PADS FOR SMALL INDUCTOR

PADS FOR BIG INDUCTOR__

LGATE1B

DNP

10UF

-->

10UF

10UF

10UF

10UF

10UF

10UF

10UF

10UF

10UF

10UF

10UF

DNP

DNP

IRF7832

10MIL CLEARANCE

IRF7821OPENINGS WITH

0.36UH

0.36UH

DNP

DNP

DNP

DNP

10UF

10UF

10UF

10UF

10UF

DNP

3.65K

PADS FOR BIG INDUCTOR __

0.36UH

-->

LGATE1A

PADS FOR BIG INDUCTOR __----->

IRF7832

IRF7821

DNP

DNP

----->

1

-->

CENTERED IN THE CPU SOCKET

DNP

C30

R90

R98

DNP

R75

3

L2

DNP

VSUM-

R101

R74

R84

R76

R86

14

3

2 J8

R53

TP34

R55

R54

C26

21

C24

21

C25

R61

R60

R59

14

3

2 J10

C58

C45

1

J14

1

J13

1

J12

1

J11

21

C44

21

C57

21

C39

21

C52

C43

C50

C42

C49

C56

C62

C66

C55

C61

C65

C70

C74

C69

C73

C78

C77

C41

C48

C54

C60

C64

C68

C72

C76

C75

C71

C67

C63

C59

C53

C47

C40

R58 C32

C29

C35

3 2 1

4

5

Q7

3 2 1

4

5

Q6

3 2 1

4

5

Q13

3 2 1

4

5

Q12

14

3

2 J9

R67

C38

R92

R73

R66

R70

L3

R83

R82

R91

R95

3 2 1

4

5

Q5

3 2 1

4

5

142 J7

R65

C37

R72

R64

R69

R81

R79

R89

R94

R100

C31R57

C28

C34

3 2 1

45

Q4

3 2 1

4

5

Q10

R97

C36

R78R71

R99

R93

R87

R77

R68

L1

6

1

3

8

54

72

U3

3 2 1

4

5

3 2 1

4

5

Q3

3 2 15

Q2

P32

P31

R96

R62

J5

J6

C27

C33

3 2 1

4

5

Q8

VCORE

VSUM-

UGATE2

10K

OPEN

0.22UF0

BOOT2

0.22UF

LGATE2

10K

OPEN

V2N

V2N

OPEN

V1P

56UF

56UF

VIN

0.22UF

10UF

10UF

10UF

10K

0

PHASE2

1UF

0

+5V

ISL6208

PWM3

10UF

V3P

10UF

V1N

V1N

V2N

DNP

V3N

V3N

DNP

DNP

V3N

V1NDNP

PHASE1

BOOT1

V2P

0

0

0

DNP

R85

ISEN2

VSUM+

10UF

Q11

R88

LGATE1B

TP33

LGATE1/A0

R56

UGATE1

VSUM+

ISEN1

Q9

4

R63

DNP

DNP

OUT

OUT

IN

OUT

IN

IN

OUT

OUT

IN

OUT

IN

OUT

OUT

IN

IN

IN

OUT

IN

OUT

OUT

IN

IN

PHASE

GND LGATE

UGATE

VCCPWM

FCCMBOOT

AN1557 Rev 0.00 Page 7 of 21Apr 1, 2010

ISL62883CEVAL2Z

FIGURE 4. ISL62883CEVAL2Z SCHEMATICS, PAGE 3 OF 5

ISL62883CEVAL2Z Schematic (Continued)

EVALUATION BOARD

DNP

VTT1 VTT2

DNP 0

DNP DNP

H19

C84

TP38AH29

AH30

AH31

AH14

AM5

AM8

AM14

AM17

VCCP1.2V

./MODELS

RPGA989

VCORE

RPGA989

VSSSENSE

IMON

DPRSLPVR

VCCSENSE

VID2

VID5

VID1

VID4

VID3

PSI#

VID6

VID0

VCCP1.2V

U4

A23

A27

A29

A35

A9

AB27

AB28

AB29

AB30

AB31

AB32

AB33

AB34

AB35

AB6

AC2

AC4

AC8

AD10

AE26

AE27

AE28

AE29

AE30

AE31

AE32

AE33

AE34

AE35

AE6

AF2

AF4

AF8

AG10

AH13

AH17

AH20

AH26

AH27

AH28

AH3

AH32

AH33

AH34

AH35

AH6

AH9

AJ11

AJ14

AJ17

AJ2

AJ20

AJ23

AJ5

AJ8

AK17

AK20

AK25

AK28

AK31

AL12

AL17

AL20

AL23

AL3

AL34

AL6

AL9

AM11

AM2

AM20

AM26

AM28

AM31

AN17

AN20

AN23

AN34

AP10

AP13

AP17

AP2

AP20

AP34

AP4

AP7

AR12

AR15

AR17

AR20

AR23

AR24

AR26

AR28

AR3

AR31

AR34

AR6

AR9

AT1

AT17

AT20

AT35

B1

B11

B13

B17

B18

B2

B21

B25

B31

B34

B4

B6

B8

C16

C19

C20

C22

C24

C28

C29

C32

C34

D26

D3

D30

D33

D6

D9

E11

E13

E18

E2

E21

E24

E29

E32

E35

E5

E8

F16

F19

F22

F25

F27

F30

G20

G3

G31

G34

G6

G9

H11

H13

H15

H18

H2

H22

H24

H26

H28

H32

H35

H5

H8

J19

J21

J30

J32

K27

K3

K30

K33

K34

K6

K9

L2

L29

L32

L35

L5

L8

M10

N26

N27

N28

N29

N30

N31

N32

N33

N34

N35

N6

P2

P4

P8

R10

T26

T27

T28

T29

T30

T31

T32

T33

T34

T35

T6

U2

U4

U8

V10

W26

W27

W28

W29

W30

W31

W32

W33

W34

W35

W6

Y2

Y4

Y8

U4

AT25

AM24

AM22

AP22

AP23

AM23

AP24

AN24

AR25

AM34

AN35

AN33

AA26

AA27

AA28

AA29

AA30

AA31

AA32

AA33

AA34

AA35

AC26

AC27

AC28

AC29

AC30

AC31

AC32AC33AC34AC35AD26AD27AD28AD29AD30AD31AD32AD33AD34AD35AF26AF27AF28

AF29

AF30

AF31

AF32

AF33

AF34

AF35

AG26

AG27

AG28

AG29

AG30

AG31

AG32

AG33

AG34

AG35

P26

P27

P28

P29

P30

P31

P32

P33

P34

P35

R26

R27

R28

R29

R30

R31

R32

R33

R34

R35

AJ34

U26

U27

U28

U29

U30

U31

U32

U33

U34

U35

V26

V27

V28

V29

V30

V31

V32

V33

V34

V35

Y26

Y27

Y28

Y29

Y30

Y31

Y32

Y33

Y34

Y35

AH16AH18AH19AH21AJ16AJ18AJ19AJ21AK16AK18AK19AK21AL16AL18AL19AL21AM16AM18AM19AM21AN16AN18AN19AN21AP16AP18AP19AP21AR16AR18AR19AR21AT16AT18AT19AT21

AR22

AB4

AB7

AC1

AE4

AE7

AF1

AJ1

H1

L1N4

N7

P1T4

T7

U1W4

W7

Y1

AK35

AK33

AK34

AL35

AL33

AM33

AM35

AJ35

AT22

E25

E26

F26

G26

G27

G28

H20

H21

H25

H27

J18

J20

J22

J23

J24

J25

J26

J27

K26

A11

A12

A13

A14

AB10

AC10

AE10

AF10

AH10

AH11

AH12

B12

B14

C11

C12

C13

C14

D11

D12

D13

E12

E14

F11

F12

F13

F14

G11

G12

G13

G14

H12

H14

J11

J12

J13

J14

K10

L10

N10

P10

T10

U10

W10

Y10

C85

TP39

R111 R112

D14

AB26

AA10

AN22

R113

IN

OUT

OUT

OUT

IN

OUT

OUT

IN

OUT

IN

OUT

OUT

OUT

OUT

OUT

VCCVCC

VTT2

VTT2

VTT2

VTT2

VTT2

VCC

VCC

VCC

VTT2

VCC

VCC

VCC

VCC

VCC

VCCVCCVCCVCCVCCVCC

VTT1

VTT1

VCCDDR_DQ

VCC

VCC

VCC

VCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXG

VCCAXG

VCCAXGVCCAXGVCCAXGVCCAXG

VCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXGVCCAXG

VCC

VCCVCC

VCCVCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

PSI_B

VCC

VID6

VID5

VID4

VID2

VID1

VID0

DFGT_VID0

DFGT_VID1

DFGT_VID2

DFGT_DPRSLPVR

DFGT_VR_EN

VTT2

VTT2

VCC

VCC

VCC

VID3

DPRSLPVR

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT2

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VTT1

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCCDDR_DQ

VCC_SENSE

DFGT_IMON

DFGT_VID6

DFGT_VID5

DFGT_VID4

DFGT_VID3

VSSAXG_SENSE

VCCAXG_SENSE

VSS_SENSE

ISENSE_DP

VTT1

VCCDDR_DQ

VCCDDR_DQ

VTT2

VCC

VCC

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

AN1557 Rev 0.00 Page 8 of 21Apr 1, 2010

ISL62883CEVAL2Z

FIGURE 5. ISL62883CEVAL2Z SCHEMATICS, PAGE 4 OF 5

ISL62883CEVAL2Z Schematic (Continued)

ON

OFF

0.05

0.05

1

4

3

2 J15

R107

R106

3

1

2

Q15

TP2

1

32

S2

21

C80

R103

R105

R104

23

1

S4

R102

TP3

C79

2

1

3

Q14

7

1 8

6

4

3

5

2

U5+12V

SUD50N03_07

BAV99

2N7002 499

249

249

1UF

VCORE

10UF

49.9K

HIP2100

IN

P1

P2

HI

LO

HS

HO LI

VSS

VDD

HB

AN1557 Rev 0.00 Page 9 of 21Apr 1, 2010

ISL62883CEVAL2Z

FIGURE 6. ISL62883CEVAL2Z SCHEMATICS, PAGE 5 OF 5

ISL62883CEVAL2Z Schematic (Continued)

D24

D19

C27C26

D31

D27D25

AH7

AN29

E7

D16

AK32

AL10

AK30

E23

M35

M33M34

J9

Y9Y7Y6Y5Y3

AT9AT8

AT7

AT6AT5AT4

AT34AT33AT32AT31AT30

AT3

AT29AT28AT27AT26AT24AT23

AT2

AT15AT14AT13AT12AT11AT10

AR8AR7AR5AR4

AR35AR33AR32AR30AR29AR27

AR2

AR14AR13AR11AR10

AR1

AP9AP8AP6AP5

AP35

AP33AP32AP31AP30

AP3

AP29AP28AP27AP26AP25AP15AP14AP12AP11

AP1

AN9AN8AN7AN6AN5AN4

AN32AN31AN30

AN3

AN28AN27AN26AN25

AN2

AN15AN14AN13AN12AN11AN10

AN1

AM9AM7AM6AM4

AM32AM30

AM3

AM29AM27AM25AM15AM13AM12AM10

AM1

AL8AL7AL5AL4

AL32AL31AL30AL29AL28AL27AL26AL25AL24AL22

AL2

AL15AL14AL13AL11

AL1

AK9AK8AK7AK6AK5AK4AK3

AK29AK27AK26AK24AK23AK22

AK2

AK15AK14AK13AK12AK11AK10

AK1

AJ9AJ7AJ6AJ4

AJ33AJ32AJ31AJ30

AJ3

AJ29AJ28AJ27AJ26AJ25AJ24AJ22AJ15AJ13AJ12AJ10

AH8

AH5AH4

AH25AH24AH23AH22

AH2

AH15

AH1AG9AG8AG7AG6AG5AG4AG3AG2AG1AF9AF7AF6AF5AF3AE9AE8AE5AE3AE2AE1AD9AD8AD7AD6AD5AD4AD3AD2AD1AC9AC7AC6AC5AC3AB9AB8AB5AB3AB2AB1AA9AA8AA7AA6AA5AA4AA3AA2AA1

U4W9W8W5W3W2W1V9V8V7V6V5V4V3V2V1U9U7U6U5U3T9T8T5T3T2T1R9R8R7R6R5R4R3R2R1P9P7P6P5P3N9N8N5N3N2N1

M9M8M7M6M5M4

M32M31M30

M3

M29M28M27M26

M2M1

L9L7L6L4

L34L33L31L30

L3

L28L27L26

K8K7K5K4

K35K32K31K29K28

K2K1

J8J7J6J5J4

J35J34J33J31

J3

J29J28

J2

J17

J16J15

J10

J1

H9H7H6H4

H34H33H31H30

H3

H29H23H17H16H10

G8G7G5G4

G35G33G32G30G29G25G24G23G22G21

G2

G19G18G17G16G15G10

G1

F9F8F7F6F5F4

F35F34F33F32F31

F3

F29F28F24F23F21F20

F2

F18F17F15F10

F1

E9

E6E4

E34E33E31E30

E3

E28E27

E22E20E19E17E16E15E10

E1

D8D7D5D4

D35D34D32

D29D28

D23D22D21D20

D2

D18D17

D15D10

D1

C9C8C7C6C5C4

C35C33C31C30

C3

C25C23C21

C2

C18C17C15C10

C1

B9B7B5

B35B33B32B30

B3

B29B28B27B26B24B23B22B20B19B16B15B10

A8A7A6A5A4

A34A33A32A31A30

A3

A28A26A25A24A22A21A20

A2

A19A18A17A16A15A10

U4

RPGA989./MODELS

RPGA989RPGA989

./MODELSRPGA989

RSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVD

RSVD

RSVD

RSVDRSVD

RSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVD

RSVDRSVDRSVD

RSVDRSVD

RSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVD

RSVDRSVDRSVD

RSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVD

RSVD

RSVD

RSVD

RSVD

RSVD

RSVDRSVDRSVD

RSVD

RSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVD

RSVD

RSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVD

RSVD

RSVDRSVDRSVD

RSVDRSVD

RSVD

RSVD

RSVD

RSVD

RSVDRSVDRSVD

RSVDRSVD

RSVD

RSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVD

RSVDRSVDRSVDRSVDRSVD

RSVDRSVD

RSVD

RSVDRSVD

RSVDRSVD

RSVDRSVD

RSVDRSVD

RSVDRSVD

RSVDRSVDRSVD

RSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVD

RSVD

RSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVD

RSVDRSVDRSVDRSVDRSVDRSVDRSVDRSVD

RSVD

RSVDRSVDRSVDRSVDRSVD

RSVDRSVDRSVD

RSVDRSVDRSVD

RSVDRSVD

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AN1557 Rev 0.00 Page 10 of 21Apr 1, 2010

ISL62883CEVAL2Z

ISL62883CEVAL2Z Evaluation Board Layout

FIGURE 7. TOP SILKSCREEN

ISL62883CEVAL2Z

AN1557 Rev 0.00 Page 11 of 21Apr 1, 2010

ISL62883CEVAL2Z

FIGURE 8. BOTTOM SILKSCREEN

ISL62883CEVAL2Z Evaluation Board Layout (Continued)

AN1557 Rev 0.00 Page 12 of 21Apr 1, 2010

ISL62883CEVAL2Z

FIGURE 9. LAYER 1

ISL62883CEVAL2Z Evaluation Board Layout (Continued)

AN1557 Rev 0.00 Page 13 of 21Apr 1, 2010

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FIGURE 10. LAYER 2

ISL62883CEVAL2Z Evaluation Board Layout (Continued)

AN1557 Rev 0.00 Page 14 of 21Apr 1, 2010

ISL62883CEVAL2Z

FIGURE 11. LAYER 3

ISL62883CEVAL2Z Evaluation Board Layout (Continued)

AN1557 Rev 0.00 Page 15 of 21Apr 1, 2010

ISL62883CEVAL2Z

FIGURE 12. LAYER 4

ISL62883CEVAL2Z Evaluation Board Layout (Continued)

AN1557 Rev 0.00 Page 16 of 21Apr 1, 2010

ISL62883CEVAL2Z

FIGURE 13. LAYER 5

ISL62883CEVAL2Z Evaluation Board Layout (Continued)

AN1557 Rev 0.00 Page 17 of 21Apr 1, 2010

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FIGURE 14. LAYER 6

ISL62883CEVAL2Z Evaluation Board Layout (Continued)

AN1557 Rev 0.00 Page 18 of 21Apr 1, 2010

ISL62883CEVAL2Z

FIGURE 15. LAYER 7

ISL62883CEVAL2Z Evaluation Board Layout (Continued)

AN1557 Rev 0.00 Page 19 of 21Apr 1, 2010

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FIGURE 16. LAYER 8

ISL62883CEVAL2Z Evaluation Board Layout (Continued)

AN1557 Rev 0.00 Page 20 of 21Apr 1, 2010

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