CM6802A/B/AH/BH
(Dynamic Soft PFC/Green PWM)
http://www.championmicro.com.tw
EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER
Design for High Efficient Power Supply at both Full Load and Light Load
Simplified Block Diagram (CM6802A/B/AH/BH)
16
+
VEAO
1
IEAO
VFB
+
13
PFC OVP
.
2
VCC
GMv
.
2.5V
VFB
15
VCC
IAC
2
4
3
VRMS
ISENSE
-
+
PFC CMP
+
-
.
-
PFC Tri-Fault
0.5V
VFB
-1.0V
ISENSE
0.3V
VEAO
+
-
S
Q
GAIN
MODULATOR
Rmul
PFC RAMP
1
Rmul
2.85V
GMi
-
16.5V
Zener
7.5V
REFERENCE
VREF
14
VCC
PFC ILIMIT
+
-
R
Q
MPPFC
PFC OUT
12
MNPFC
17V
ZENER
S
Q
Green PFC
+
-
R
Q
PFC
PFCCLK
.
7 RAMP1
.
300
8
RAMP2
SW SPST
PWMCLK
Green PWM
VCC
REF-OK
380-OK
5
10
GND
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
Parameter
Min.
Max.
V
CC
18
IEAO
0
VREF+0.3
I
SENSE
Voltage
-5
0.7
PFC OUT
GND – 0.3
VCC + 0.3
GND – 0.3
VCC + 0.3
PWMOUT
GND – 0.3
VCC + 0.3
Voltage on Any Other Pin
5
I
REF
1
I
AC
Input Current
Peak PFC OUT Current, Source or Sink
0.5
Peak PWM OUT Current, Source or Sink
0.5
PFC OUT, PWM OUT Energy Per Cycle
1.5
Junction Temperature
Storage Temperature Range
Operating Temperature Range
Lead Temperature (Soldering, 10 sec)
Thermal Resistance (θ
JA
)
Plastic DIP
Plastic SOIC
Power Dissipation (PD) T
A
<50℃
ESD Capability, HBM Model
ESD Capability, CDM Model
-65
-40
150
150
125
260
80
105
800
5.5
1250
Units
V
V
V
V
V
V
mA
mA
A
A
μ
J
℃
℃
℃
℃
℃/W
℃/W
mW
KV
V
2009/11/02
Rev. 1.4
Champion Microelectronic Corporation
+
9
DC ILIMIT
1.0V
-
-
-
VDC
6
VREF+2.5V
10uA
+
S
S
R
Q
Q
1.8V
PPWM
PWM OUT
11
NPFC
17V
ZENER
VFB
2.36V
-
.
+
380V-OK
VCC
DC ILIMIT
UVLO
4
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
