CM6805BO
10-PIN Green-Mode PFC/PWM Combo CONTROLLER
BLOCK DIAGRAM
2
4
.VEAO
IAC
40K
IAC
8
VCC
400K
S
Q
Q
ISENSE
R
R
100K
-
PFC CMP
3
-
+
UVB
.
+
9
SUM
VREFDK
PFCOUT
V To Ramp
VFB
GMV
-
5
.
.
.
UVLO
+
2.5V
FAULT
VCC
.
.
BROKENWIRE
-
.
+
0.5V
fpfc=100KHz
PFC CLK
PFCCLK
PWMCLK
.
.
PFC OVP
PWM CLK
+
.
2.75V
2.5V
-
-
VIN-OK
S
Q
Q
VFB
+
.
R1
R2
2.25V
1.1V
UVB
-
-
VREFDK
10
PWMOUT
PFC ILIMIT
-
.
+
-1V
PFCOFFB
SHUTDOWN PFC
-
10mS
7
.
5.5V
5V
+
+
PWM CMP
1.5V
-
-
.
.
1
PWMCLK
.
SS
GND
GND
+
SOFT START
PROTECTED BY PATENT
6
V+I
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
Parameter
Min.
Max.
Units
VCC MAX
IAC
20
V
V
V
V
V
V
V
GND-0.3
-5
7.0
0.7
ISENSE Voltage
PFC OUT
PWM OUT
VEAO
GND – 0.3
GND – 0.3
0
VCC + 0.3
VCC + 0.3
6.3
PFCOFFB
GND – 0.3
VCC + 0.3
Voltage on Any Other Pin
GND-0.3
VCC + 0.3
V
40
0.5
0.5
1.5
150
mA
A
ICC 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
A
μJ
℃
℃
℃
Storage Temperature Range
-65
-40
150
125
260
80
Operating Temperature Range
Lead Temperature (Soldering, 10 sec)
℃
℃/W
Thermal Resistance (θJA
)
2010/04/20 Rev 1.3
Champion Microelectronic Corporation
Page 3
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
