CM6802A_12 Datasheet, PDF (6/25 Pages) Champion Microelectronic Corp. – EPA/80++ ZVS-Like PFC/PWM COMBO CONTROLLER

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=Operating Temperature Range (Note 1)
Symbol
Parameter
Test Conditions
Sink Current
I_SENSE = -0.5V, IEAO = 1.5V
Source Current
I_SENSE = +0.5V, IEAO = 4.0V
Open Loop Gain
DC Gain
Power Supply Rejection Ratio 11V < V_CC < 16.5V
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
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
V_FB=V_{FAULT DETECT LOW} to
V_FB=OPEN, 470pF from V_FB to GND
Overdrive Voltage = -100mV
Overdrive Voltage = 100mV
CM6802A/B/AH/BH
Unit
Min.
Typ.
Max.
-42
-33
-30
μA
28
31
42
μA
30
40
dB
60
75
dB
2.70
2.85
3.0
V
200
300
mV
0.15
0.25
0.35
V
2.70
2.85
3.0
V
2
4
ms
0.4
0.5
0.6
V
-1.10 -1.00 -0.90
V
100
200
mV
700
ns
0.92
1.0
1.08
V
700
ns
2.20
2.36
2.52
V
900
950
1000
mV
2012/05/10 Rev. 1.5
Champion Microelectronic Corporation
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