LTC3544BEUD-TRPBF 데이터 시트보기 (PDF) - Linear Technology

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LTC3544BEUD-TRPBF

Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA

Linear Technology 

LTC3544B

Functional Diagrams

3

9

RUN200A RUN300

15

VCC

14

17

GNDA GNDA

16

12

RUN200B

RUN100

SW200A

5

VFB200A

2

POWER

FETs

IBIAS200A

REG200A

SW300

8

VFB300

10

POWER

FETs

IBIAS300

REG300

0.8V

REF

SHDN

OSC

RUN

LOGIC

VREF

OSC

PVIN

7

PGND

6

IBIAS100

POWER

FETs

REG100

SW100

13

VFB100

11

IBIAS200B

POWER

FETs

REG200B

SW200B

4

VFB200B

1

3544B FD01

OSC

SLOPE

COMP

VREF 0.8V +

EA

VFBx

–

ICOMP

PVIN

5Ω

RUNx



OSC

SQ

RQ

SWITCHING

LOGIC

AND

BLANKING

CIRCUIT

ANTI-

SHOOT-

THRU

IRCMP

SWx

PGND

3544B FD02

3544bfb

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