LTC3419 데이터 시트보기 (PDF) - Linear Technology

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LTC3419

Dual Monolithic 600mA Synchronous Step-Down Regulator

Linear Technology 

FUNCTIONAL DIAGRAM

MODE 3

REGULATOR 1

VFB1 1

–

ITH

EA

+

0.6V

SOFT-START

BURST

CLAMP

SLOPE

COMP

–

SLEEP

VSLEEP +

BURST

S

Q

RS

LATCH

R

Q

SWITCHING

LOGIC

AND

BLANKING

CIRCUIT

–+

ICOMP

ANTI

SHOOT-

THRU

SHUTDOWN

RUN1 2

RUN2 7

VFB2 8

0.6V REF

OSC

OSC

REGULATOR 2 (IDENTICAL TO REGULATOR 1)

IRCMP

SLEEP2

SLEEP1

LTC3419

5 VIN

4 SW1

9 GND

3419 FD

6 SW2

3419f

7

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