LTC3611 Просмотр технического описания (PDF) - Linear Technology

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LTC3611

10A, 32V Monolithic Synchronous Step-Down DC/DC Converter

Linear Technology 

LTC3611

TYPICAL APPLICATIONS

3.3V Input to 1.5V/10A at 750kHz

PGND

INTVCC

CVCC

4.7μF

6.3V

SW

CF

0.1μF

50V

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49

SGND

VOUT

1.5V AT

10A

C5

22μF

6.3V

(OPTIONAL)

GND

COUT1

100μF

×2

L1

0.47μH

VIN

VIN

3.3V

GND

CIN

4.7μF

C6 +

100μF

50V

50V

×2

(OPTIONAL)

1 PGND

2 PGND

3 PGND

4

SW

5 SW

6 SW

7 SW

8

SW

9 SW

10 SW

11 SW

12 PVIN

13 PVIN

14 PVIN

15 PVIN

16 PVIN

LTC3611

SGND 48

SGND 47

SGND 46

45

SGND

EXTVCC 44

VFB 43

SGND 42

ION 41

SGND 40

FCB 39

38

ITH

VRNG 37

PGOOD 36

VON 35

SGND 34

33

VIN2 = 5V

C4

0.01μF

R1

20.43k

1%

C1

(OPTIONAL)

RON

113k

1%

CON

0.01μF

(OPTIONAL)

R5

12.5k

R2

30.1k

1%

(OPTIONAL)

C2

VOUT

VIN

CC1

1500pF

39.2k

11k

RPG1

100k

INTVCC

CC2

100pF

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

C5: TAIYO YUDEN JMK316BJ226ML-T

CIN: MURATA GRM31CR71H475K

COUT1: MURATA GRM435R60J107M

L1: TOKO FDV0630-R47M

INTVCC

KEEP POWER AND SIGNAL GROUNDS SEPARATE.

CONNECT TO ONE POINT.

CB1

0.22μF

2Ω

CSS

0.1μF

RSS1

510k

VIN

(OPTIONAL)

(OPTIONAL)

CVON

VOUT

SGND

3611 TA02

3611fb

20

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