CM6805(A;B)/CM6806A
10-PIN Green-Mode PFC/PWM Combo CONTROLLER for High Density AC Adapter
APPLICATIONS
AC Adaptor
Open Frame
PIN CONFIGURATION
10 Pin SSOP (R10)
Top View
1
2
3
4
5
PWM OUT
PFC OUT
VCC
PWMTRIFAULT
V+I
GND
IAC
ISENSE
VEAO
VFB
10
9
8
7
6
PIN DESCRIPTION
Pin No.
1
2
Symbol
GND
IAC
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 current limit comparator input
PWMTRIFAULT input; it can sense PWM Short or OVP
Positive supply
PFC driver output
PWM driver output
0
1
V
Description
Operating Voltage
Min.
Typ.
Max.
Unit
3
4
5
6
7
8
9
10
I
SENSE
VEAO
V
FB
V+I
PWMTRIFAULT
-5
0
0
0
0
10
0
0
5
2.5
0.7
6
3
1.5
VCC
18
VCC
VCC
V
V
V
V
V
V
V
V
VCC
PFC OUT
PWM OUT
ORDERING INFORMATION
Part Number
Operation Frequency
Initial Accuracy (KHz)
Min
CM6805AIR/AGIR*
Fpwm = Fpfc = 67.5Khz
CM6805BIR/BGIR*
Fpwm = Fpfc = 95Khz
CM6806AIR/AGIR*
Fpwm = 2Fpfc = 110Khz
60
85
98
Typ
67
95
110
Max
74
106
120
-40℃ to 125℃
-40℃ to 125℃
-40℃ to 125℃
10 Pin SSOP(R10)
10 Pin SSOP(R10)
10 Pin SSOP(R10)
Temperature Range
Package
Note:
1.G : Suffix for Pb Free Product
2.Initial Accuracy : T
A
=25℃
2006/10/11
Rev1.0
Champion Microelectronic Corporation
Page 2
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
