ISL6444 Просмотр технического описания (PDF) - Intersil

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Компоненты Описание

производитель

ISL6444

Dual PWM Controller with DDR Memory Option for Gateway Applications

Intersil 

ISL6444

C1

10μF

+12.0V

GND

+5.0V

CR1

Q1

1/2 IRF7313

C6

0.1μF

L1

10.0μH

+

R3

6.89k

C8

330μF

Q2

2/2 IRF7313

R5

10k

C3

0.01μF

SOFT1

VIN

12 14

VCC

28 17

C4

0.01μF

SOFT2

BOOT1

6

BOOT2

23

UGATE1

PHASE1

R1 ISEN1

2k

LGATE1

PGND1

VSEN1

VOUT1

EN1

PG1

R7 OCSET1

5

24

4

25

7

22

ISL6444

2

27

3

26

10

19

9

20

8

21

15

16

11

1

18

13

UGATE2

PHASE2

ISEN2 R2

2k

LGATE2

PGND2

VSEN2

VOUT2

EN2

PG2/REF

OCSET2 R8

GND

DDR

CR2

+

C5

10μF

Q3

1/2 IRF7313

C7

0.1μF

L2

4.7μH

C9

+

Q4

330μF

2/2 IRF7313

R4

6.89k

R6

10k

R9 0.01

R10 0.01

+

C10

330μF

+ C11

330μF

VOUT

+1.5V

(8A)

FIGURE 11. SINGLE-OUTPUT SPLIT INPUT POWER SUPPLY

16

FN9069.3

April 12, 2007

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