LM5035A_14 datasheet(11/38 Pages) TI1

部件名	LM5035A

功能描述	PWM Controller with Integrated Half-Bridge and SyncFET Drivers

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制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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11 / 38 page

LOGIC

VCC

SS

OSCILLATOR

CLK

HS

PWM

REF

FEED-FORWARD RAMP

CS

RAMP

HO

DRIVER

HB

LO

COMP

UVLO

RES

DRIVER

REF

SHUTDOWN

Timer

SR1

SR2

DLY

OVP

LOGIC

S

R

Q

D Q

T

Q

AGND

PGND

SLOPE

PROPORTIONAL

TO VIN

RESTART DELAY

SHUTDOWN

SOFT-STOP

SOFT-START

110 PA

+5V

CLK + LEB

0.25V

1.2 PA

1 mA

110 PA

CLK

+5V

2.5V

12 PA

22 PA

NON-CURRENT

LIMIT CYCLE

CURRENT

LIMIT

CYCLE

VCC

2.5V

MAX V*S

CLAMP

1V

VIN

5V

Reference

VCC/REF

UVLO

7.6V SERIES

REGULATOR

THERMAL

LIMIT

(165ºC)

6k

SS

SS Buffer

(Sink Only)

1:1

RT/SYNC

UVLO-STANDBY

OVP-STANDBY

1.25V

+5V

23 PA

1.25V

0.4V

OVP-Standby

Shutdown

UVLO-

Standby

Soft-Start

Hiccup

SS

LM5035A

www.ti.com

SNVS537E – JANUARY 2008 – REVISED JULY 2010

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Texas Instruments	LM5035A	1Mb / 40P	[Old version datasheet] PWM Controller with Integrated Half-Bridge and SyncFET Drivers

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