CM6805BO Datasheet, PDF (2/15 Pages) Champion Microelectronic Corp. – 10-PIN Green-Mode PFC/PWM Combo CONTROLLER

APPLICATIONS
‹ Desktop PC
‹ AC Adaptor
‹ Open Frame
CM6805BO
10-PIN Green-Mode PFC/PWM Combo CONTROLLER
PIN CONFIGURATION
10 Pin SSOP (R10)
Top View
PIN DESCRIPTION
Pin No.
Symbol
Description
1 GND
2 IAC
3
I_SENSE
4 VEAO
5
V_FB
6 V+I
7 PFCOFFB
8 VCC
9 PFC OUT
10 PWM OUT
Ground
Feedforward input to do slope compensation and to start up
the system. During the start up, IAC is connected to VCC
until VCC is greater than 13V.
Current sense input to the PFC current limit comparator
PFC transconductance voltage error amplifier output
PFC transconductance voltage error amplifier input
PWM feed back and current limit comparator input
PFCOFFB; it can turn off PFC stage when it is below 5V.
Positive supply
PFC driver output
PWM driver output
Operating Voltage
Min.
Typ. Max. Unit
0
1
mA
-5
0.7
V
0
6
V
0
2.5
3
V
0
1.5
V
0
VCC V
10
15
18
V
0
VCC V
0
VCC V
ORDERING INFORMATION
Part Number
Operation Frequency Initial Accuracy (KHz) Temperature Range
Package
CM6805BOGIR Fpwm = Fpfc = 100Khz
Min Typ Max
90
100 110
-40℃ to 125℃
10 Pin SSOP(R10)
Note:
1. G : Suffix for Pb Free Product
2. Initial Accuracy : T_A=25℃
2007/11/28 Rev 1.2
Champion Microelectronic Corporation
Page 2