CM6805(A;B)/CM6806A
10-PIN Green-Mode PFC/PWM Combo CONTROLLER for High Density AC Adapter
BLOCK DIAGRAM
IAC
ISENSE
3
1
1
. R1A
2
. R1B
2
2
IAC
2
.
.
VCC
UVB
4
.VEAO
PFC CMP
-
.
R1C
.
1
8
VCC
VFB
5
-
2.5V
17.9V
16.4V
0.5V
2.75V
2.5V
-1V
7
V=17uA
-
(VCC-1.4V)/2
+
GND
PROTECTED BY PATENT
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
Parameter
V
CC
MAX
IAC (before start up)
IAC (after start up)
I
SENSE
Voltage
PFC OUT
PWM OUT
VEAO
PWMTrifault
Voltage on Any Other Pin
I
CC
Current (Average)
Peak PFC OUT Current, Source or Sink
Peak PWM OUT Current, Source or Sink
PFC OUT, PWM OUT Energy Per Cycle
Junction Temperature
Storage Temperature Range
Operating Temperature Range
Lead Temperature (Soldering, 10 sec)
Thermal Resistance (θ
JA
)
-65
-40
GND-0.3
GND-0.3
-5
GND – 0.3
GND – 0.3
0
GND – 0.3
GND-0.3
Min.
Max.
20
VCC + 0.3
1.0
0.7
VCC + 0.3
VCC + 0.3
6.3
VCC + 0.3
VCC + 0.3
40
0.5
0.5
1.5
150
150
125
260
80
Units
V
V
V
V
V
V
V
V
V
mA
A
A
μJ
℃
℃
℃
℃
℃/W
2006/10/11
Rev1.0
+
PWMTRIFAULT
VCC-0.7V
-
+
.
+
+
.
-
-
-
.
+
+
-
-
.
-
.
+
-
V To Ramp
GMV
.
.
+
S
R
R
Q
Q
UVB
FAULT
VREFDK
9
PFCOUT
VCC OVP
UVLO
VCC
BROKENWIRE
PFCCLK
.
PWMCLK
.
.
.
PFC CLK
PWM CLK
fpfc=70KHz
PFC OVP
VFB
VIN-OK
+
.
-
-
S
R1
R2
Q
PFC ILIMIT
2.45V
0.75V
UVB
Q
VREFDK
10
PWMOUT
PWM SHORT
GREENPWM
PWMFAULT
GREENMODE
GND
1.5V
PWMCLK
.
.
-
-
+
10mS
PWM CMP
.
1
GND
SS
SOFT START
6
V+I
Champion Microelectronic Corporation
Page 3
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
