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ACT4072 Datasheet(PDF) 8 Page - Active-Semi, Inc

Part # ACT4072
Description  Wide Input 2A Step Down Converter
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4072 Datasheet(HTML) 8 Page - Active-Semi, Inc

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Innovative Products. Active Solutions.
- 8 -
www.active-semi.com
Copyright © 2006 Active-Semi, Inc.
ACT4072
Surface Temperature vs. Output Current
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 3, unless otherwise specified.)
Output Current (A)
70
80
60
40
0.0
0.5
1.0
1.5
2.0
50
30
20
VIN = 30V
VIN = 12V
VOUT=5V
L=22µH
CIN=10µF
COUT=22µF
40
70
80
90
100
50
60
Output Current (A)
30
20
10
0
0.01
0.1
1
10
Efficiency vs. Output Current
VOUT = 3.3V
L = 15µH
CIN = 10µF
COUT = 22µF
40
70
80
90
100
50
60
0.01
0.1
1
10
Output Current (A)
Efficiency vs. Output Current
30
20
10
0
VOUT = 5V
L = 22µH
CIN = 10µF
COUT = 22µF
0.0
Temperature (°C)
0.5
1.0
1.5
2.0
2.5
390
400
410
395
385
380
Switching Frequency vs. Input Voltage
405
Shutdown Supply Current vs. Input Voltage
2
4
6
16
18
12
10
8
14
0
5
20
25
30
10
Input Voltage (V)
15
Temperature (°C)
1.17
1.19
1.21
1.23
1.25
1.27
Feedback Voltage vs. Temperature
0
40
80
120
-20
20
60
100
-40
VIN = 12V
VIN = 6V
VIN = 12V
VIN = 25V
VIN = 8V
VIN = 12V
VIN = 30V



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