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ACT2103 数据表(PDF) 12 Page - Active-Semi, Inc

部件名 ACT2103
功能描述  18V/3A Step-Down DC/DC Converter
PDF  17 Pages
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制造商  ACTIVE-SEMI [Active-Semi, Inc]
网页  http://www.active-semi.com
标志 ACTIVE-SEMI - Active-Semi, Inc

ACT2103 数据表(HTML) 12 Page - Active-Semi, Inc

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ACT2103
Rev 2, 23-May-12
®
Innovative PowerTM
- 12 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
TYPICAL PERFORMANCE CHARACTERISTICS
(L = 15µH, CIN = 100µF, COUT = 330µF, Ta = 25°C, RCOMP = 18k, CCOMP1 = 2.2nF, CCOMP2 = N/C)
VIN Voltage (V)
5
7
9
11
13
17
15
21
19
Frequency vs. VIN
340
320
300
280
260
240
220
200
360
380
400
0.94
0.93
0.92
0.91
0.9
0.95
FB Voltage vs. Load Current
Load Current (mA)
0
500
1000
1500
2000
3000
2500
FB Voltage vs. IC Temperature
0.926
0.923
0.92
0.917
0.914
0.911
0.929
0.932
Temperature (°C)
20
40
60
80
100
120
140
Shutdown Current vs. VIN
30
25
20
15
10
5
0
VIN Voltage (V)
4
6
8
10
12
14
16
18
20
22
Frequency vs. FB Voltage
250
200
150
100
50
0
300
350
FB Voltage (V)
0
200
400
600
800
1000
Load Current (mA)
10
100
1000
10000
Efficiency vs. Load Current
VOUT = 5V
VIN = 7V
VIN = 12V
VIN = 18V
80
75
70
65
60
55
85
90
95
100



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