LT3580I(RevC) 데이터 시트보기 (PDF) - Linear Technology

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LT3580I
(Rev.:RevC)

Boost/Inverting DC/DC Converter with 2A Switch, Soft-Start, and Synchronization

Linear Technology 

LT3580

BLOCK DIAGRAM

RC

CSS

CC

VIN

CIN

SHDN

5

–

7

SS

2

VC

1.3V +

DISCHARGE

DETECT

L1

UVLO

VIN

3

1.215V

REFERENCE

SR2

R

Q

S

275k

SOFT-

START

Q2

VC

ILIMIT

SW

D1

4

COMPARATOR

–

SR1

DRIVER

C1

A3

R

Q

Q1

+

S

+

14.6k

A1

∑

A4

0.01Ω

–

FB

1

+

14.6k

A2

RAMP

GENERATOR

FREQUENCY ÷N ADJUSTABLE

FOLDBACK

OSCILLATOR

GND

9

–

SYNC

BLOCK

SYNC

8

RT

6

RT

VOUT

RFB

3580 BD

3580fc

6

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