CM6800AGIP Просмотр технического описания (PDF) - Champion Microelectronic
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производитель
CM6800AGIP Datasheet PDF : 18 Pages
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CM6800A
LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO
TYPICAL PERFORMANCE CHARACTERISTIC
127
120
113
106
99
92
85
78
71
64
57
2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3
VFB (V)
Voltage Error Amplifier (gmv) Transconductance
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
VRMS (V)
Gain Modulator Transfer Characteristic (K)
K = IGAINMOD − IOFFSET mV - 1
IAC x (6 - 0.625)
100
90
80
70
60
50
40
30
20
10
0
-500
0
500
ISENSE(mV)
Current Error Amplifier (gmi) Transconductance
2.2
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
VRMS (V)
Gain
Gain = ISENSE − IOFFSET
IAC
2009/08/10 Rev. 1.6
Champion Microelectronic Corporation
Page 7
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