Datasheet > CM6500UN

CM6500UN

更新时间： 2022-04-13 08:34:56

品牌	Logo	应用领域
虹冠电子 - CHAMP		功率因数校正
页数	文件大小	规格书
20页	319K
描述
PFC

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数据手册

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CM6500UN 数据手册

CM6500UN (1MHz PFC)

http://www.championmicro.com.tw

EPA/90+ ZVS-Like PFC CONTROLLER

Design for High Efficient Power Supply at both Full Load and Light Load

APPLICATIONS

PIN CONFIGURATION

EPA/90+ related Power Supply

SOP-14 & DIP-14

TOP View

Desktop PC Power Supply

Internet Server Power Supply

LCD Power Supply

PDP Power Supply

AC Adaptor

IEAO

IAC

VEAO

VFB

VREF

VCC

ISENSE

VRMS

ISS

IPC Power Supply

UPS

Battery Charger

PFCOUT

PGB

DC Motor Power Supply

Monitor Power Supply

Telecom System Power Supply

Distributed Power

PGTHL

RTCT

GND

PIN DESCRIPTION

Operating Voltage

Pin No.

Symbol

Description

Min.

Typ.

Max.

Unit

PFC transconductance current error amplifier output

I_EAO

VREF

(GMi).

IAC has 2 functions:

1. PFC gain modulator reference input.

2. Typical RAC resistor is about 6 Mega ohm to 8 Mega

ohm to sense the line.

I_AC

100

PFC Current Sense: for both Gain Modulator and PFC

current ILIMIT comparator.

I_SENSE

-1.3

0.7

Line Input Sense pin for multiplier and also it is the PFC

Brown out sense pin.

V_RMS

1)PFC Soft Start pin: It supplies ~ 10uA to SS pin. It provides a

close-loop soft start function during power supply start up. PFC

Soft Start function can adjust by a simple capacitor to ground and

it can be around 1uF.

ISS

VCC

2)When AC turn off VFB voltage sense is lower than

PGTHL(PGB comparator), SS pin is discharged through an

internal ~ 70K Ohm resistor.

2014/11/11 Rev. 1.0

Champion Microelectronic Corporation

123 4 5 6 7...20

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