LTC3528-2 데이터 시트보기 (PDF) - Linear Technology

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LTC3528-2

1A, 2MHz Synchronous Step-Up DC/DC Converter in 2mm × 3mm DFN

Linear Technology 

LTC3528-2

BLOCK DIAGRAM

VIN

0.7V

TO 5V

CIN

4.7µF

L1

2.2µH

8

VIN

VOUT

VBEST

VB

ANTI-RING

5

SW

VSEL

WELL

SWITCH

VOUT 4

1 SHDN

4M

SHUTDOWN SHUTDOWN

VREF

UVLO

VREF

UVLO

START-UP

PGOOD

3

2MHz

CLK

OSC

VREF – 10%

FB

THERMAL

TSD

SHUTDOWN

PGND

6

GATE DRIVERS

AND

ANTI-CROSS

CONDUCTION

PK

COMP

PK

–+

IZERO

Σ

COMP

SLOPE

COMP

FB

2

LOGIC

IZERO

MODE

CONTROL

ERROR AMP

SLEEP COMP

VREF

FB

BURST

CLAMP

WAKE

SGND

7

SOFT-START

EXPOSED

PAD

9

35282 BD

VOUT

1.6V

TO 5.25V

R2

COUT

10µF

R1

35282fb

8

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