CM6800T
(Turbo-Speed PFC+Green PWM)
http://www.championmicro.com.tw
EPA/85+
PFC+PWM COMBO CONTROLLER
Design for High Efficient Power Supply
2010/08/03
Rev. 1.2
Champion Microelectronic Corporation
5
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, these specifications apply Vcc=+14V, R
T
= 5.88 k
Ω
, C
T
= 1000pF, T
A
=Operating Temperature
Range (Note 1)
CM6800T
Symbol Parameter
Test
Conditions
Min. Typ. Max.
Unit
Clean Digital PFC Brown Out
VRMS Threshold High
Room Temperature=2
5℃
1.70 1.78 1.86 V
VRMS Threshold Low
Room Temperature=2
5℃
0.98 1.03 1.08 V
Hysteresis
710
760
mV
Voltage Error Amplifier (g
mv
)
Input
Voltage
Range
0
3
V
Transconductance V
NONINV
= V
INV
, VEAO = 3.35V @ T=25
℃
25 40 60
μ
mho
Feedback Reference Voltage
2.45
2.52
2.58
V
Input Bias Current
Note 2
-1.0
-0.05
μ
A
Output High Voltage
5.8
6.0
V
Output Low Voltage
0.1
0.4
V
Sink
Current
Overdrive Voltage = 100mV @ T=25
℃
-60 -40 -28
μ
A
Source
Current
Overdrive Voltage = 100mV @ T=25
℃
0.9 3 7
μ
A
Open Loop Gain
Guaranteed by design
30
40
dB
Power Supply Rejection Ratio
11V < V
CC
< 16.5V
60
75
dB
