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ACT4072 Arkusz danych(PDF) 8 Page - Active-Semi, Inc

Numer części ACT4072
Szczegółowy opis  Wide Input 2A Step Down Converter
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Producent  ACTIVE-SEMI [Active-Semi, Inc]
Strona internetowa  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4072 Arkusz danych(HTML) 8 Page - Active-Semi, Inc

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ACT4072
Rev2, 27-May-08
Active-Semi
Innovative Power
TM
- 8 -
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
Surface Temperature vs. Output Current
TYPICAL PERFORMANCE CHARACTERISTICS
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
0.0
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
415
420
430
410
405
Switching Frequency vs. Input Voltage
425
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
(Circuit of Figure 3, unless otherwise specified.)



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