U3848 데이터 시트보기 (PDF) - Unisonic Technologies

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U3848

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS

Unisonic Technologies 

U3848/A/B/C

PIN CONFIGURATION

LINEAR INTEGRATED CIRCUIT

SS 1

FB 2

CS 3

RT 4

8 VREF

7 VCC

6 OUT

5 GND

PIN DESCRIPTION

PIN

SYMBOL

1

SS

2

FB

3

CS

4

RT

5

GND

6

OUT

7

VCC

8

VREF

FUNCTION

Soft-start

Feedback

Controller current sense input

The resistor controlling switch frequency

Ground

Output to the gate of external power MOS

Supply voltage

Inter 6.3V reference voltage, connected with the filter capacitor

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

3 of 13

QW-R103-033,B

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