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AN193

0

R

ev

.1.00

Page 3 of 

5

Au

28

, 2

0

14

ISL
850
03

EV
AL2Z

, ISL

8

5003
AEV

AL2Z

ISL85003EVAL2Z Rev B Schematic

VCC

EN

VOUT

SYNC

PG

OFF

EN

VIN

SYNC

DCM

PWM

ON

VCC

VCC

VOUT

D2

DNP

C1
10uF

R5
2k

C3

0.1uF

SW2

C4

4.7p

SW1

R9
DNP

P6

ENABLE

C5
47uF

+

C10

150uF

P1

PG

Q1
2N7002

R6
200k

R2
57.1k

C8

DNP

P7

VCC

C6
22uF

P2

SYNC

C2

10uF

R11
0

R3

DNP

R7
200k

C7

DNP

P8

VOUT

L1

4.7uH

D1
LTST-C190KGKT

P4

VIN

R14
200k

R1

301k

C9
1uF

P9

GND

R8
DNP

U1

ISL85003

PG

2

EN

3

FB

4

COMP

5

AGND

6

PHASE

7

PHASE

8

VIN

9

VIN

10

VDD

11

BOOT

12

EPAD

13

SYNC

1

R4
20

J2

PHASE

1

2

P5

GND

J1

VOUT

1

2

Содержание ISL85003EVAL2Z

Страница 1: ...s 5V for VO Recommended Equipment The following materials are recommended to perform testing 0V to 25V power supply with at least 10A source current capability Electronic loads capable of sinking current up to 7A Digital multimeters DMMs 100MHz quad trace oscilloscope Signal generator Key Board Features Small compact design Switch selectable EN enabled disabled Switch selectable MODE auto DCM forc...

Страница 2: ...7pF 4 7pF L1 1 8µH 2 2µH 2 2µH 3 3µH 3 3µH 3 3µH 4 7µH 4 7µH R1 301kΩ 301kΩ 301kΩ 301kΩ 301kΩ 301kΩ 301kΩ 301kΩ R2 Open 1 2MΩ 604kΩ 344kΩ 241kΩ 142kΩ 96 3kΩ 57 6kΩ NOTE VIN 12V IOUT 3A The components selection table is a suggestion for typical application using internal compensation mode For applications that require high output capacitance greater than 200µF R1 should be adjusted to maintain a lo...

Страница 3: ...5 2k C3 0 1uF SW2 C4 4 7p SW1 R9 DNP P6 ENABLE C5 47uF C10 150uF P1 PG Q1 2N7002 R6 200k R2 57 1k C8 DNP P7 VCC C6 22uF P2 SYNC C2 10uF R11 0 R3 DNP R7 200k C7 DNP P8 VOUT L1 4 7uH D1 LTST C190KGKT P4 VIN R14 200k R1 301k C9 1uF P9 GND R8 DNP U1 ISL85003 PG 2 EN 3 FB 4 COMP 5 AGND 6 PHASE 7 PHASE 8 VIN 9 VIN 10 VDD 11 BOOT 12 EPAD 13 SYNC 1 R4 20 J2 PHASE 1 2 P5 GND J1 VOUT 1 2 ...

Страница 4: ...RLF7030T 4R7M3R4 131 4353 00 2 ea J1 J2 CONN SCOPE PROBE TEST PT COMPACT PCB MNT ROHS TEKTRONIX 131 4353 00 1514 2 4 ea P4 P5 P8 P9 CONN TURRET TERMINAL POST TH ROHS KEYSTONE 1514 2 5002 4 ea P1 P2 P6 P7 CONN MINI TEST POINT VERTICAL WHITE ROHS KEYSTONE 5002 BAT54C T 1 ea D2 DIODE RECTIFIER SMD SOT23 3P 30V 200mA ROHS FAIRCHILD BAT54C LTST C190KGKT T 1 ea D1 LED SMD 0603 GREEN CLEAR 2V 20mA 571nm ...

Страница 5: ...ISL85003EVAL2Z ISL85003AEVAL2Z AN1930 Rev 1 00 Page 5 of 5 Aug 28 2014 PCB Layout FIGURE 3 TOP LAYER FIGURE 4 INNER LAYER 1 FIGURE 5 INNER LAYER 2 FIGURE 6 BOTTOM LAYER ...

Страница 6: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Intersil ISL85003AEVAL2Z ...

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