CM6802B 데이터 시트보기 (PDF) - Champion Microelectronic
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CM6802B Datasheet PDF : 25 Pages
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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, RT = 7.75 kΩ, CT = 1000pF,
TA=Operating Temperature Range (Note 1)
Symbol
Parameter
Test Conditions
Sink Current
ISENSE = -0.5V, IEAO = 1.5V
Source Current
ISENSE = +0.5V, IEAO = 4.0V
Open Loop Gain
DC Gain
Power Supply Rejection Ratio 11V < VCC < 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 ILIMIT Comparator
Threshold Voltage
(PFCILIMIT– Gain Modulator
Output)
Delay to Output (Note 4)
DC ILIMIT Comparator
Threshold Voltage
Delay to Output (Note 4)
DC to DC PWM Brown Out Comparator
OK Threshold Voltage
Hysteresis
VFB=VFAULT DETECT LOW to
VFB=OPEN, 470pF from VFB 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
6
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