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ACT4070 датащи(PDF) 8 Page - Active-Semi, Inc

номер детали ACT4070
подробное описание детали  Wide Input 3A Step Down Converter
PDF  11 Pages
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производитель  ACTIVE-SEMI [Active-Semi, Inc]
домашняя страница  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4070 датащи(HTML) 8 Page - Active-Semi, Inc

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ACT4070
Rev 2, 16-Sep-11
- 8 -
www.active-semi.com
Copyright © 2011 Active-Semi, Inc.
Innovative Power
TM
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 3, unless otherwise specified.)
Input Voltage (V)
8
10
12
14
16
18
20
22
24
26
28
30
Switching Frequency vs. Input Voltage
350
400
300
450
500
Output Current (A)
Surface Temperature vs. Output Current
20
80
100
120
140
40
60
0
0.5
1
1.5
2
2.5
3
VOUT = 5V
L = 15µH
CIN = 22µF
COUT = 22µF
VIN = 30V
VIN = 20V
VIN = 12V
Input Voltage (V)
4
5
10
15
20
25
30
Shutdown Supply Current vs. Input Voltage
0
2
6
8
10
12
14
16
18
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 = 5V
L = 15µH
CIN = 22µF
COUT = 22µF
VIN = 20V
VIN = 30V
VIN = 8V
VIN = 12V
40
70
80
90
100
50
60
0.01
0.1
1
10
Output Current (A)
Efficiency vs. Output Current
30
20
10
VOUT = 2.5V
L = 10µH
CIN = 22µF
COUT = 22µF
0
VIN = 8V
VIN = 30V
VIN = 12V
VIN = 20V
-40
Temperature (°C)
-20
0
20
40
60
80
100
1.21
1.25
1.27
1.23
1.19
1.17
Feedback Voltage vs. Temperature
0



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