ACT4075YH 查看數據表（PDF） - Active-Semi, Inc
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ACT4075YH Datasheet PDF : 10 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 3, unless otherwise specified.)
ACT4075
Rev PrA, 13-Aug-07
Efficiency vs. Output Current
100
90
VIN = 8V
80
70
60
50
40
30
20
10
0
0.01
VIN = 12V
VIN = 30V
VIN = 20V
0.1
VOUT = 5V
L = 15µH
CIN = 22µF
COUT = 22µF
1
10
Output Current (A)
Feedback Voltage vs. Temperature
1.27
1.25
1.23
1.21
1.19
1.17
-40
-20
0
20
40
60
80
100
Temperature (°C)
Efficiency vs. Output Current
100
90
VIN = 8V
80
70
60
50
40
30
20
10
0
0.01
VIN = 30V
VIN = 12V
VIN = 20V
0.1
VOUT = 2.5V
L = 10µH
CIN = 22µF
COUT = 22µF
1
10
Output Current (A)
Switching Frequency vs. Input Voltage
510
460
410
360
310
8 10 12 14 16 18 20 22 24 26 28 30 32
Input Voltage (V)
Shutdown Supply Current vs. Input Voltage
18
16
14
12
10
8
6
4
2
0
5
10
15
20
25
30
35
Input Voltage (V)
Surface Temperature vs. Output Current
140
VOUT = 5V
120
L = 15µH
CIN = 22µF
COUT = 22µF
100
VIN = 30V
80
VIN = 20V
60
40
20
0
0
VIN = 12V
0.5
1
1.5
2
2.5
Output Current (A)
Innovative Products. Active Solutions.
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Copyright © 2007 Active-Semi, Inc.
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