UC3846 datasheet(3/10 Pages) UTC

Part #	UC3846

Description	LOW COST POWER-SAVING MODE PWM CONTROLLER FOR FLYBACK CONVERTERS

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Manufacturer	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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3 / 10 page

UC3846

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 10

www.unisonic.com.tw

QW-R103-053.B

BLOCK DIAGRAM

GATE

FB

PWM COMP

OCP

UVLO

Reference voltage

Burstmode

Oscillator

VDD

GND

Latch

S

R

Q

SENSE

Driver

LEB

Frequency

Hopping

Slope Compensation

Constant Power Limit

OTP

Logic

Control

OVP

8/1

7/2

2/5

1/6

4/4

5/3

RI

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UC3846 Datasheet(PDF) 3 Page - Unisonic Technologies

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