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ISL6539EVAL1 Bill of Materials (BOM)

QTY

REFERENCE

DESCRIPTION

VENDOR

MFG. PART NO.

C20, C26

CAPACITOR, SMD, 0805, 0.01µF, 50V, 10%, X7R

PANASONIC

ECJ-2VB1H103K

C11

CAPACITOR, SMD, 0805, 0.015µF, 50V, 10%, X7R

PANASONIC 

ECU-V1H153K

C9, C10

CAPACITOR, SMD, 0805, 0.15µF, 25V, 10%, X7R

PANASONIC 

ECJ-2YB1E154kK

C7, C8

CAPACITOR, SMD, 1206, 1µF, 10V, 10%, X7R

VENKEL

C1206X7R100-105KNE 

C5, C6, C16, C23, C25

CAPACITOR, SMD, 1206, 4.7µF, 10V, 10%, X7R

VENKEL

C1206X7R100475KNE 

C12, C13, C14, C24

CAP TANT, LOW ESR, SMD, D3, 220µF, 4V, 20%

SANYO

4TPC220M 

C4

CAP TANT, LOW ESR, SMD, D, 68µF, 16V,10%

KEMET

T494D686K016AS 

C2, C3

CAPACITOR, SMD, 1812, 10µf, 25V, 20%, X5R

TAIYO YUDEN

TMK432BJ106MM-T         

D1, D2

DIODE-SCHOTTKYBARR, SMD, SOT323, 3P, 30V, 
0.2A

ON-SEMICONDUCTOR

BAT54WT1-T              

CR1

LED, SMD, 4P, OTHER, POLARIZED RED/GRN

LUMEX

SSL-LXA3025IGC-TR       

L1

PWR CHOKE COIL, SMD, 5.7mm, 4.6µH, 25%

PANASONIC

ETQ-P6F4R6HFA           

L2

PWR CHOKE COIL, SMD, 6x6x3mm,1.5µH, 20% 
3.2A

PANASONIC

ELL6SH1R5M              

U1

IC-DUAL SWITCHER 30V, 28P, QSOP

INTERSIL

ISL6539CA               

Q1

TRANSISTOR, N-CHANNEL, 3P, SOT23

ON-SEMICONDUCTOR

BSS123LT1-T             

U2, U3

TRANSISTOR - DUAL MOS, N-CHANNEL, 8P, 
SOIC, 30V

FAIRCHILD

FDS6912A                

R2, R3

RESISTOR, SMD, 0805, 0

Ω

, 1/10W, TF

PANASONIC

ERJ-6GEY0R00V  

R5

RESISTOR, SMD, 0805, 1k, 1/10W, 1%, TF

PANASONIC

ERJ-6ENF1001 

R10, R11, R14, R19, R20

RESISTOR, SMD, 0805, 10k, 1/10W, 1%, TF

PANASONIC

ERJ-6ENF1002V 

R1, R9

RESISTOR, SMD, 0805, 100k, 1/10W, 1%, TF

PANASONIC

ERJ-6ENF1003V 

R8

RESISTOR, SMD, 0805, 17.8k, 1/10W, 1%, TF

PANASONIC

ERJ-J6ENF1782V 

R4

RESISTOR, SMD, 0805, 2.49k, 1/10W, 1%, TF

PANASONIC

ERJ-6ENF2491 

R15 - R18

RESISTOR, SMD, 0805, 680

Ω

, 1/10W, 5%, TF

PANASONIC

ERJ-6GEYJ681V 

Application Note 1278

Содержание ISL6539

Страница 1: ...the jumpers connectors and components described in the following sections JUMPER SETTINGS There are four jumpers on the board Shunting jumper JP3 pulls the EN1 pin to VCC and is used to enable Channel...

Страница 2: ...uld either be turned off or the outputs should be disabled VCC Power Connection Connect the positive terminal of a laboratory power supply to the VCC post J4 Connect the return terminal of the same lo...

Страница 3: ...well Evaluation Board Design General The evaluation board is built on a 2 ounce four layer printed circuit board The board is designed to support a continuous load of 5A on the VDDQ rail and a simult...

Страница 4: ...tors Transient Performance Figure 7 shows both the VDDQ and VTT rails while the VDDQ rail is under transient loading FIGURE 4 START UP INTO PREBIASED OUTPUT FIGURE 5 OUTUPT RIPPLE 90 PHASE SHIFT Timeb...

Страница 5: ...regulators These efficiencies were measured while the complementary regulator was disabled FIGURE 8 SOURCING TRANSIENT LOAD ON VTT FIGURE 9 SINKING TRANSIENT LOAD ON VTT Timebase 100 s DIV VDDQ AC Co...

Страница 6: ...o the ISL6539 datasheet for details on this The load capacity for either rail can be increased by exchanging the MOSFETs U2 and U3 for ones with higher current handling capabilities The ISEN resistor...

Страница 7: ...9 C10 R4 R5 C2 3 C1 VDDQ C6 VDDQ VTT VREF C23 C21 R9 C20 VCC VIN DDR BOOT1 UGATE1 PHASE1 ISEN1 LGATE1 VSEN1 OCSET2 OCSET1 SOFT1 BOOT2 UGATE2 PHASE2 ISEN2 LGATE2 VSEN2 PG2 REF SOFT2 PGOOD PG1 PGND1 PGN...

Страница 8: ...N SEMICONDUCTOR BAT54WT1 T 1 CR1 LED SMD 4P OTHER POLARIZED RED GRN LUMEX SSL LXA3025IGC TR 1 L1 PWR CHOKE COIL SMD 5 7mm 4 6 H 25 PANASONIC ETQ P6F4R6HFA 1 L2 PWR CHOKE COIL SMD 6x6x3mm 1 5 H 20 3 2A...

Страница 9: ...9 ISL6539EVAL1 Printed Circuit Board Layers ISL6539EVAL1 TOP SILK SCREEN ISL6539EVAL1 TOP LAYER Application Note 1278...

Страница 10: ...10 ISL6539EVAL1 INTERNAL 1 GROUND ISL6539EVAL1 INTERNAL 2 POWER ISL6539EVAL1 Printed Circuit Board Layers Continued VTT GND VDDQ VCC Application Note 1278...

Страница 11: ...ccordingly the reader is cautioned to verify that the Application Note or Technical Brief is current before proceeding For information regarding Intersil Corporation and its products see www intersil...

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