3636 データシートの表示（PDF） - Linear Technology

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3636

Dual Channel 6A, 20V Monolithic Synchronous Step-Down Regulator

Linear Technology 

LTC3636/LTC3636-1

Block Diagram

CIN

SW

450k

OSC1

COMP

SELECT

ITH

RC

CC1

PGOOD

AV = 1

VIN

0.6V (LTC3636)

1.8V (LTC3636-1)

ION

ION

CONTROLLER

VON

tON

=

VVON

IION

ICMP

+–

RUN

1.22V

RUN

5V (LTC3636)

12V (LTC3636-1)

RUN

R

SQ

ON

SWITCH

LOGIC

AND

ANTI-

SHOOT

THROUGH

IREV

–+

INTVCC

TG

BG

SENSE–

SENSE+

VIN

BOOST

M1

SW

M2

GND

FB

–

0V

+

0.648V

–

TRACK

UV

SS

+ 0.552V

–

EA

+

FC BURST

MODE

SELECT

IDEAL DIODES

0.6V

REF

INTERNAL

SOFT-START

INTVCC

1.4µA

TRACKSS

CBOOST

L1

COUT

R2

R1

CSS

CHANNEL 1

0.48V AT START-UP

0.10V AFTER START-UP

RT

RRT

OSC1

OSC

PHASE

180°C

OSC2

OSC

PLL-SYNC

VIN1

3.3V

REG

TJ

1V/200k

CHANNEL 2 (SAME AS CHANNEL 1)

MODE/SYNC

INTVCC

TMON

CVCC

3636 BD

3636fa

10

For more information www.linear.com/LTC3636

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