LTC3526(RevB) Просмотр технического описания (PDF) - Linear Technology

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LTC3526
(Rev.:RevB)

500mA 1MHz Synchronous Step-Up DC/DC Converters in 2mm × 2mm DFN

Linear Technology 

LTC3526/LTC3526B

BLOCK DIAGRAM

VIN

0.85V

TO 5V

CIN

2.2μF

SHDN

4

4M

L1

4.7μH

VOUT

3

VIN

1

SW

VBEST

VB

VSEL

WELL

SWITCH

ANTI-RING

VOUT 6

SHUTDOWN SHUTDOWN

VREF

UVLO

VREF

START-UP

1MHz

CLK

OSC

GATE DRIVERS

AND

ANTI-CROSS

CONDUCTION

IPK

COMP

IPK

–+

IZERO

Σ

COMP

SLOPE

COMP

LOGIC

IZERO

MODE

CONTROL

ERROR AMP

SLEEP COMP

VREF

FB

5

CLAMP

THERMAL

TSD

WAKE

SHUTDOWN

CSS

EXPOSED

PAD

GND

7

2

3526 BD

VOUT

1.6V

TO 5.25V

R2

COUT

4.7μF

R1

3526bfb

7

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