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ELECTRICAL CHARACTERISTICS:
(Conti.) Unless otherwise stated, these specifications apply Vcc=+14V, R
T
=Operating Temperature Range (Note 1)
A
Symbol
Parameter
Current Error Amplifier (g
Input Voltage Range (Isense pin)
Transconductance
Input Offset Voltage
Output High Voltage
Output Low Voltage
Sink Current
Source Current
Open Loop Gain
Power Supply Rejection Ratio
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
Comparator
LIMIT
Threshold Voltage
(PFCI
– Gain Modulator
LIMIT
Output)
Delay to Output (Note 4)
2010/08/03
Rev. 1.2
)
mi
V
NONINV
VEAO=0V, IAC is open
I
= -0.5V, IEAO = 1.5V @ T=25℃
SENSE
I
= +0.5V, IEAO = 4.0V @ T=25℃
SENSE
DC Gain
11V < V
V
=V
FB
FAULT DETECT LOW
V
=OPEN, 470pF from V
FB
Overdrive Voltage = -100mV
Champion Microelectronic Corporation
CM6800T
EPA/85+ PFC+PWM COMBO CONTROLLER
Design for High Efficient Power Supply
Test Conditions
= V
, IEAO = 1.5V @ T=25℃
INV
< 16.5V
CC
to
to GND
FB
(Turbo-Speed PFC+Green PWM)
= 5.88 kΩ, C
= 1000pF,
T
T
CM6800T
Min.
Typ.
-1.2
50
67
-10
6.8
7.4
0.1
-40
-34
27
32
30
40
60
75
2.60
2.75
130
0.14
0.26
2.70
2.85
2
0.1
0.28
-1.35
-1.25
300
450
700
Unit
Max.
0.7
V
μ
mho
85
50
mV
7.7
V
0.4
V
μ
A
-28
μ
A
37
dB
dB
2.85
V
220
mV
0.4
V
3.0
V
4
ms
0.4
V
-1.15
V
mV
ns
6
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