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