MB3873PF 查看數據表（PDF） - Fujitsu

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MB3873PF

Multi-Resonance AC/DC Converter IC

Fujitsu 

MB3873

s PIN DESCRIPTION

Pin No. Symbol

I/O

1

RT

—

2

CT

—

3

RD

—

4

CD

—

5

FB

I

6

CS

—

7

GND

—

8

OUT

O

9

VCC (O)

—

10

VREF

O

11

VCC

—

12

ENB

—

13

OTP

I

14

OVP

I

15

+IN

I

16

–IN

I

Descriptions

Triangular wave oscillator frequency setting resistor connection pin

Triangular wave oscillator frequency setting capacitor connection pin

Dead time setting resistor connection pin

Delay interval setting capacitor connection pin

Control frequency control pin

Soft start capacitor connection pin

Ground pin

Totem pole type output pin

Output circuit power supply pin

Reference voltage output pin

Reference power and control circuit power supply pin

UVLO voltage setting resistor connection pin

Overtemperature detection comparator input pin

Overvoltage detection comparator 1 input pin

Overvoltage detection comparator 2 non-inverted input pin

Overvoltage detection comparator 2 inverted input pin

3

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