CM6805BO Datasheet, PDF (3/15 Pages) Champion Microelectronic Corp. – 10-PIN Green-Mode PFC/PWM Combo CONTROLLER

CM6805BO
10-PIN Green-Mode PFC/PWM Combo CONTROLLER
BLOCK DIAGRAM
2
IAC
4
.VEAO
40K
IAC
ISENSE
3
100K
400K
VFB
5
2.5V
0.5V
2.75V
2.5V
SUM
GMV
-
.
+
BROKENWIRE
-
.
+
PFC OVP
+
.
-
-
V To Ramp
.
.
-
PFC ILIMIT
.
-1V
+
PFC CMP
-
.
+
FAULT
S
Q
R
R
Q
UVLO
VCC
.
.
UVB
VREFDK
PFCCLK
PWMCLK
PFC CLK
.
.
PWM CLK
VFB
2.25V
1.1V
VIN-OK
+
.
-
-
fpfc=100KHz
S
Q
R1
R2
Q
UVB
VREFDK
8
VCC
9
PFCOUT
10
PWMOUT
PFCOFFB
7
SHUTDOWN PFC
-
.
5.5V
+
5V
+
GND
PWMCLK
10mS
1.5V
.
.
SS
SOFT START
6
V+I
PWM CMP
-
-
.
+
PROTECTED BY PATENT
1
GND
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
Parameter
Min.
Max.
V_CC MAX
IAC (before start up)
GND-0.3
20
VCC + 0.3
IAC (after start up)
GND-0.3
1.0
I_SENSE Voltage
PFC OUT
-5
GND – 0.3
0.7
VCC + 0.3
PWM OUT
GND – 0.3
VCC + 0.3
VEAO
0
6.3
PFCOFFB
GND – 0.3
VCC + 0.3
Voltage on Any Other Pin
GND-0.3
VCC + 0.3
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)
40
0.5
0.5
1.5
150
-65
150
-40
125
260
80
Units
V
V
V
V
V
V
V
V
V
mA
A
A
μJ
℃
℃
℃
℃
℃/W
2007/11/28 Rev 1.2
Champion Microelectronic Corporation
Page 3