CM6800 Champion Microelectronic Corp., CM6800 Datasheet - Page 8

• Manufacturer Part Number: CM6800
• Description: LOW START UP CURRENT PFC/PWM CONTROLLER COMBO
• Manufacturer: Champion Microelectronic Corp.

TYPICAL PERFORMANCE CHARACTERISTIC
2004/02/11
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
Rev. 1.6
0 0.5
K
2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9
=
I
I
GAINMOD
AC
1 1.5 2 2.5 3 3.5 4
x
(6
-
−
VRMS (V)
VFB (V)
0.625)
I
OFFSET
mv
) Transconductance
mV
Champion Microelectronic Corporation
L
OW
-
1
S
4.5 5
TART-
3
U
P
C
URRENT
Current Error Amplifier (g
100
80
90
70
60
50
40
30
20
10
2.2
1.8
1.6
1.4
1.2
0.8
0.6
0.4
0.2
0
2
1
0
0
PFC/PWM C
0.5
-500
Gain
1
=
1.5
I
SENSE
ISENSE(m V)
Gain
2
VRMS (V)
2.5
0
I
−
AC
ONTROLLER
I
mi
OFFSET
3
) Transconductance
3.5
CM6800/1
4
500
4.5
Page 8
C
5
OMBO