B340A 查看數據表（PDF） - Linear Technology

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产品描述 (功能)

生产厂家

B340A

42V, 2.5A, 2MHz Step-Down Switching Regulator with 2.7µA Quiescent Current

Linear Technology 

BLOCK DIAGRAM

VIN

C1

RT

VIN

INTERNAL 1.197V REF

1.02V +

EN

– SHDN

+

RT

SYNC

PG

1.097V

ERROR AMP

+

–

–

+

SLOPE COMP

OSCILLATOR

200kHz TO 2MHz

0.5V +–

SWITCH

LATCH

R

Q

S

Burst Mode

DETECT

VC CLAMP

VC

OUT

BOOST

SW

1.8µA

SS

GND

FB

R2

R1

SHDN

C5

LT3975

C3

L1

D1 C2

VOUT

C4

OPT

3975 BD

3975f

9

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