LTC3608(RevC) Просмотр технического описания (PDF) - Linear Technology

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Компоненты Описание

производитель

LTC3608
(Rev.:RevC)

18V, 8A Monolithic Synchronous Step-Down DC/DC Converter

Linear Technology 

Functional Diagram

RON

VON

ION

FCB

13

22

19

0.7V

2.4V

1µA

EXTVCC

29

4.7V

+–

VRNG

17

tON

=

VVON

IION

(10pF)

20k

ICMP

1.4V

×

(0.5 TO 2)

0.7V

0.6V

–+

F

R

SQ

+

IREV

–

FCNT

ON

SWITCH

LOGIC

SHDN

OV

LTC3608

SVIN

30

PVIN

0.6V

1, 2, 3, 4, 5, 6,

REF

7, 48, 49, 50,

51, 52, 53

5V

CIN

REG

INTVCC

31, 32

BOOST

11

M1

CB

SW

DB

L1

8, 33, 41, 42,

43, 44, 45,

46, 47, 55

+

COUT

M2

CVCC

PGND

34, 35, 36, 37,

38, 39, 40

16 PGOOD

VOUT

1

240k

ITHB

Q2 Q4

Q6

Q3 Q1

+– 0.8V

×3.3

EA

1V

SS

–+

0.6V

18

ITH

0.54V

UV

RUN

SHDN

OV

0.66V

1.2µA

6V

0.4V

12

RUN/SS

CSS

VFB

23

SGND

10, 14, 15,

20, 26, 27, 54

27 NC

9, 21, 24,

25, 28

3608 FD

R2

R1

3608fc



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