CM6802A CHAMP [Champion Microelectronic Corp.], CM6802A Datasheet - Page 6

• Manufacturer Part Number: CM6802A
• Description: EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER
• Manufacturer: CHAMP [Champion Microelectronic Corp.]

http://www.championmicro.com.tw
ELECTRICAL CHARACTERISTICS:
(Conti.) Unless otherwise stated, these specifications apply Vcc=+14V, R
T
PFC OVP Comparator
PFC Green Power Detect Comparator
Tri-Fault Detect
PFC I
DC I
DC to DC PWM Brown Out Comparator
2009/11/02
A
Symbol
=OperatingTemperature Range (Note 1)
LIMIT
LIMIT
Comparator
Comparator
Sink Current
Source Current
Open Loop Gain
Power Supply Rejection Ratio
Threshold Voltage
Hysteresis
Veao Threshold Voltage
Fault Detect HIGH
Time to Fault Detect HIGH
Fault Detect LOW
Threshold Voltage
(PFCI
Output)
Delay to Output (Note 4)
Threshold Voltage
Delay to Output (Note 4)
OK Threshold Voltage
Hysteresis
Rev. 1.4
LIMIT
– Gain Modulator
Parameter
Design for High Efficient Power Supply at both Full Load and Light Load
CM6802A/B/AH/BH
Champion Microelectronic Corporation
I
I
DC Gain
11V < V
V
V
Overdrive Voltage = -100mV
Overdrive Voltage = 100mV
SENSE
SENSE
EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER
FB
FB
=V
=OPEN, 470pF from V
FAULT DETECT LOW
= -0.5V, IEAO = 1.5V
= +0.5V, IEAO = 4.0V
CC
< 16.5V
Test Conditions
to
FB
to GND
(Dynamic Soft PFC/Green PWM)
T
= 7.75 kΩ, C
-1.10
Min.
2.70
0.15
2.70
0.92
2.20
200
100
900
-42
0.4
28
30
60
CM6802A/B/AH/BH
T
-1.00
Typ.
2.85
0.25
2.85
2.36
200
700
700
950
= 1000pF,
-33
1.0
0.5
31
40
75
2
Max.
-0.90
1000
0.35
1.08
2.52
300
-30
3.0
3.0
0.6
42
4
6
Unit
μ
μ
mV
mV
mV
ms
dB
dB
ns
ns
V
V
V
V
V
V
V
A
A