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
ELECTRICAL CHARACTERISTICS:
(Conti.) Unless otherwise stated, these specifications apply Vcc=+14V, R
T
= 7.75 kΩ, C
T
= 1000pF,
T
A
=OperatingTemperature Range (Note 1)
CM6802A/B/AH/BH
Min.
Sink Current
Source Current
Open Loop Gain
Power Supply Rejection Ratio
PFC OVP Comparator
Threshold Voltage
Hysteresis
PFC Green Power Detect Comparator
Veao Threshold Voltage
Tri-Fault Detect
Fault Detect HIGH
Time to Fault Detect HIGH
V
FB
=V
FAULT DETECT LOW
to
V
FB
=OPEN, 470pF from V
FB
to GND
Fault Detect LOW
PFC I
LIMIT
Comparator
Threshold Voltage
(PFCI
LIMIT
– Gain Modulator
Output)
Delay to Output (Note 4)
DC I
LIMIT
Comparator
Threshold Voltage
Delay to Output (Note 4)
DC to DC PWM Brown Out Comparator
OK Threshold Voltage
Hysteresis
2.20
900
2.36
950
2.52
1000
V
mV
Overdrive Voltage = 100mV
0.92
1.0
700
1.08
V
ns
Overdrive Voltage = -100mV
-1.10
100
-1.00
200
700
-0.90
V
mV
ns
0.4
2.70
2.85
2
0.5
3.0
4
0.6
V
ms
V
0.15
0.25
0.35
V
2.70
200
2.85
3.0
300
V
mV
I
SENSE
= -0.5V, IEAO = 1.5V
I
SENSE
= +0.5V, IEAO = 4.0V
DC Gain
11V < V
CC
< 16.5V
-42
28
30
60
Typ.
-33
31
40
75
Max.
-30
42
Symbol
Parameter
Test Conditions
Unit
μ
A
μ
A
dB
dB
2009/11/02
Rev. 1.4
Champion Microelectronic Corporation
6
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
