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:
Unless otherwise stated, these specifications apply Vcc=+14V, RT = 7.75K kΩ, CT = 1000pF, TA=Operating Temperature
Range (Note 1)
Symbol
Parameter
Test Conditions
CM6802A/B/AH/BH
Unit
Min.
Typ.
Max.
PFC Brown Out
Room Temperature=25℃
VRMS Threshold High
VRMS Threshold Low
Hysteresis
1.19
0.97
170
1.25
1.05
216
2.25
2
1.32
1.13
260
V
V
Room Temperature=25℃
mV
V
AC High Line
Sweep Vrms Pin
Sweep Vrms Pin
2.15
1.85
200
2.35
2.12
300
AC Low Line
V
Hysteresis
mV
Voltage Error Amplifier (gmv
)
Input Voltage Range
Transconductance
0
3
V
μmho
VNONINV = VINV, VEAO = 2.25V @ T=25℃
53
69
88
Feedback Reference Voltage SS < VREF and Veao > 2.5V
(High)
2.4
1.9
2.51
2.62
V
V
CM6802A/B
2
2.1
Feedback Reference Voltage
(Low)
SS>VREF and Veao
1.75V and Vrms < 2V
<
CM6802AH/BH
2.17
-1.0
5.8
2.26
-0.05
6.0
0.1
-18
15
2.35
V
μA
Input Bias Current
Output High Voltage
Output Low Voltage
Sink Current
Note 2
V
0.4
-12
25
V
μA
VFB = 3V, VEAO = 1.5V
VFB = 1.5V, VEAO = 2.45V
DC gain
-25
8
μA
Source Current
Open Loop Gain
30
60
40
dB
dB
Power Supply Rejection Ratio
11V < VCC < 16.5V
75
Current Error Amplifier (gmi)
Input Voltage Range (Isense pin)
Transconductance
-1.2
53
0.7
85
V
μmho
VNONINV = VINV, IEAO = 1.5V @ T=25℃
69
Input Offset Voltage
VEAO=0V, IAC is open
-10
6.8
50
mV
V
Output High Voltage
Output Low Voltage
7.4
0.1
7.7
0.4
V
2009/11/02 Rev. 1.4
Champion Microelectronic Corporation
5
CHAMP [ CHAMPION MICROELECTRONIC CORP. ]
