LTC3611EWP-PBF Просмотр технического описания (PDF) - Linear Technology

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LTC3611EWP-PBF

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

Linear Technology 

LTC3611

FUNCTIONAL DIAGRAM

RON

VON

ION

35

41

0.7V

2.4V

FCB

39

4.7V

1μA

+

VRNG

37

tON

=

VVON

IION

(10pF)

20k

ICMP

1.4V

×

(0.5 TO 2)

0.7V

0.6V

–+

F

R

SQ

+

IREV

–

EXTVCC

44

–

0.6V

REF

5V

REG

FCNT

ON

SWITCH

LOGIC

SHDN

OV

SVIN

51, 52

PVIN

12, 13, 14, 15,

16, 17, 18, 19,

20, 21, 22, 23,

24, 25, 67

CIN

INTVCC

53, 54

BOOST

29

M1

CB

SW

DB

L1

4, 5, 6, 7, 8, 9,

10, 11, 26, 55,

66

+

COUT

M2

CVCC

PGND

1, 2, 3, 56, 57,

58, 59, 60, 61,

62, 63, 64, 65

36 PGOOD

VOUT

1

240k

ITHB

Q2 Q4

Q6

Q3 Q1

+– 0.8V

×3.3

EA

1V

SS

–+

0.6V

38

ITH

0.54V

UV

RUN

SHDN

OV

0.66V

1.2μA

6V

0.4V

30

RUN/SS

CSS

R2

43

VFB

R1

SGND

28, 31, 32, 33, 34,

40, 42, 45, 46, 47,

48, 49, 50, 68

NC

27

3611 FD

3611fb

9

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