CM6900IS Champion Microelectronic Corp., CM6900IS Datasheet - Page 8

• Manufacturer Part Number: CM6900IS
• Description: PFC/PWM COMBO w/ INRUSH CURRENT CONTROL & SEPARATED PFCOVP
• Manufacturer: Champion Microelectronic Corp.

TYPICAL PERFORMANCE CHARACTERISTIC
2003/04/23
Voltage Error Amplifier (g
Gain Modulator Transfer Characteristic (K)
127
120
113
106
99
92
85
78
71
64
57
0.35
0.25
0.15
0.05
0.4
0.3
0.2
0.1
2
0
Preliminary
0 0.5
K
2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9
I
I
PFC/PWM C
GAINMOD
AC
1 1.5 2
x
(6
-
VRMS (V)
VFB (V)
0.625)
I
OFFSET
mv
2.5 3 3.5 4
Rev. 1.2
) Transconductance
mV
OMBO
-
1
w/ I
4.5 5
Champion Microelectronic Corporation
NRUSH
3
C
URRENT
Current Error Amplifier (g
220
200
180
160
140
120
100
80
60
40
20
2.2
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
0
2
1
0
-500
0
C
-400
0.5
ONTROL
Gain
-300
1
1.5
-200
I
SENSE
& S
Gain
ISENSE (mV)
-100
2
VRMS (V)
2.5
mi
I
EPARATED
0
AC
) Transconductance
I
OFFSET
3
100
3.5
200
4
CM6900
300
Page 7
PFCOVP
4.5
400
5
500