ACT4072SH-T 查看數據表（PDF） - Active-Semi, Inc
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ACT4072SH-T Datasheet PDF : 10 Pages
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Active-Semi
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 3, unless otherwise specified.)
ACT4072
Rev2, 27-May-08
100
90
80
70
60
50
40
30
20
10
0
0.01
Efficiency vs. Output Current
VIN = 6V
VIN = 25V
VIN = 12V
0.1
1
Output Current (A)
VOUT = 3.3V
L = 15µH
CIN = 10µF
COUT = 22µF
10
Switching Frequency vs. Input Voltage
430
425
420
415
410
405
0.0
0.5
1.0
1.5
2.0
2.5
Temperature (°C)
100
90
80
70
60
50
40
30
20
10
0
0.0
Efficiency vs. Output Current
VIN = 30V
VIN = 12V
VIN = 8V
0.1
1
Output Current (A)
VOUT = 5V
L = 22µH
CIN = 10µF
COUT = 22µF
10
Shutdown Supply Current vs. Input Voltage
18
16
14
12
10
8
6
4
2
0
5
10
15
20
25
30
Input Voltage (V)
Surface Temperature vs. Output Current
80
70
VIN = 30V
60
50
40
30
20
0.0
VIN = 12V
VOUT=5V
L=22µH
CIN=10µF
COUT=22µF
0.5
1.0
1.5
2.0
Output Current (A)
Feedback Voltage vs. Temperature
1.27
1.25
VIN = 12V
1.23
1.21
1.19
1.17
-40 -20
0 20 40 60 80 100 120
Temperature (°C)
Innovative PowerTM
-8-
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
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