參數(shù)資料
型號: CM6824
廠商: Electronic Theatre Controls, Inc.
英文描述: LOW START-UP CURRENT PFC/PWM CONTROLLER COMBO
中文描述: 低啟動電流式PFC / PWM控制器組合
文件頁數(shù): 7/18頁
文件大小: 342K
代理商: CM6824
CM6824
L
OW
S
TART-
U
P
C
URRENT
PFC/PWM C
ONTROLLER
C
OMBO
TYPICAL PERFORMANCE CHARACTERISTIC
2002/09/20
Preliminary
Rev. 1.1
Champion Microelectronic Corporation
Page 7
57
64
71
78
85
92
99
106
113
120
127
2
2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9
3
VFB (V)
T
Voltage Error Amplifier (g
mv
) Transconductance
0
20
40
60
80
100
120
140
160
180
200
220
-500
-400
-300
-200
-100
ISENSE (mV)
0
100
200
300
400
500
T
Current Error Amplifier (g
mi
) Transconductance
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
VRMS (V)
V
Gain Modulator Transfer Characteristic (K)
I
K
=
1
-
AC
OFFSET
0.625)
GAINMOD
x
I
mV
-
(6
I
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
VRMS (V)
G
Gain
AC
OFFSET
SENSE
I
I
I
Gain
=
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