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CM6800T
(Turbo-Speed PFC+Green PWM)
http://www.championmicro.com.tw
EPA/85+
PFC+PWM COMBO CONTROLLER
Design for High Efficient Power Supply
2010/08/03
Rev. 1.2
Champion Microelectronic Corporation
4
Simplified Block Diagram (CM6800T)
UVLO
VDC
6
S
R
Q
Q
VCC
Rmul
RAMP2
8
RAMP1
7
MODULATOR
GAIN
VFB
15
GND
10
+
-
DC ILIMIT
GMi
+
-
.
70K
SS
5
SW SPST
ISENSE
3
PFC
ZENER
17V
VRMS
4
Green PWM
+
-
PFC ILIMIT
2.75V
2.36V
1.8V
REFERENCE
7.5V
+
-
Green PFC
PFC RAMP
0.5V
PPWM
IAC
2
380V-OK
+
-
.
Rmul
10uA
DC ILIMIT
9
1.0V
S
R
Q
Q
PWM OUT
11
2.5V
VFB
VFB
IEAO
1
PFC OUT
12
VCC
0.3V
VCC
VCC
ZENER
17V
NPFC
+
-
PFC Tri-Fault
-1.0V
PFC OVP
+
-
.
RE
F
-O
K
PFCCLK
PWMCLK
.
.
MNPFC
GMv
-
+
.
VCC
13
VEAO
MPPFC
Zener
16.5V
ISENSE
2K
VREF
14
+
-
-
VFB
+
-
PFC CMP
380-
O
K
VEAO
16
S
R
Q
Q
S
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
Parameter Min.
Max.
Units
V
CC
18
V
IEAO 0
VREF+0.3
V
I
SENSE
Voltage
-5
0.7
V
GND – 0.3
VCC + 0.3
V
GND – 0.3
VCC + 0.3
V
PFC OUT
PWMOUT
Voltage on Any Other Pin
GND – 0.3
VCC + 0.3
V
I
REF
3.5
mA
I
AC
Input Current
1 mA
Peak PFC OUT Current, Source or Sink
0.5
A
Peak PWM OUT Current, Source or Sink
0.5
A
PFC OUT, PWM OUT Energy Per Cycle
1.5
μ
J
Junction Temperature
150
℃
Storage Temperature Range
-65
150
℃
Operating Temperature Range
-40
125
℃
Lead Temperature (Soldering, 10 sec)
260
℃
Thermal Resistance (
θ
JA
)
Plastic DIP
Plastic SOIC
80
105
℃
/W
℃
/W
Power Dissipation (PD) T
A
<5
0℃
800
mW
ESD Capability, HBM Model
5.5
KV
ESD Capability, CDM Model
1250
V