CM6802BHXIP View Datasheet(PDF) - Champion Microelectronic

Part Name

Description

MFG CO.

CM6802BHXIP

EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER

Champion Microelectronic 

CM6802A/B/AH/BH (Dynamic Soft PFC/Green PWM)

http://www.championmicro.com.tw EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER

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

APPLICATIONS

‹ EPA/80++ related Power Supply

‹ Desktop PC Power Supply

‹ Internet Server Power Supply

‹ LCD Power Supply

‹ PDP Power Supply

‹ IPC Power Supply

‹ UPS

‹ Battery Charger

‹ DC Motor Power Supply

‹ Monitor Power Supply

‹ Telecom System Power Supply

‹ Distributed Power

PIN CONFIGURATION

SOP-16 (S16) / PDIP-16 (P16)

1

IEAO

VEAO

16

2

IAC

VFB

15

3

ISENSE

VREF

14

4

VRMS

VCC

13

5

SS

PFC OUT

12

6

VDC

PWM OUT

11

7

RAMP1

GND

10

8

RAMP2

DC ILIMIT

9

PIN DESCRIPTION

Pin No. Symbol

Description

Operating Voltage

Min. Typ. Max. Unit

PFC transconductance current error amplifier output

1

IEAO

0

(Gmi).

VREF V

IAC has 2 functions:

1. PFC gain modulator reference input.

2. At start up, IAC is connected to VCC and it helps to

2

IAC

0

reduce the startup time and it helps to reduce the no

load consumption. Typical RAC resistor is about 6 Mega

ohm to sense the line.

100

uA

PFC Current Sense: for both Gain Modulator and PFC

3

ISENSE

-1.2

ILIMIT comparator.

Line Input Sense pin and also, it is the brown out sense

4

VRMS

0

pin.

Soft start capacitor pin; can use it to on/off the boost

follower function; it is pulled down by 300 ohm internal

5

SS

0

resistor when DCILIMIT reach 1V; the power is limited

during the PWM Brown out.

0.7

V

VCC+0.3 V

10

V

2012/05/10 Rev. 1.5

Champion Microelectronic Corporation

2

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