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ACT2103 数据表(PDF) 13 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) 13 Page - Active-Semi, Inc

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ACT2103
Rev 2, 23-May-12
®
Innovative PowerTM
- 13 -
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)
IIN vs. VIN at Output Dead Short
60
50
40
30
20
10
0
70
80
90
VIN (V)
4
6
8
10
12
14
16
18
20
Peak Current Limit vs. Duty Cycle
5.00
4.50
4.00
3.50
3.00
5.50
6.00
Duty Cycle
20
30
40
50
60
70
80
90
No Load Operation
CH1: VRIPPLE, 20mV/div
CH2: SW, 5V/div
TIME: 20µs/div
CH1
CH2
VIN = 12V
V0UT = 5V
50mA Load Operation
CH1: VRIPPLE, 20mV/div
CH2: SW, 5V/div
TIME: 2µs/div
CH1
CH2
VIN = 12V
V0UT = 5V
200mA Load Operation
CH1
CH2
VIN = 12V
V0UT = 5V
CH1: VRIPPLE, 20mV/div
CH2: SW, 5V/div
TIME: 2µs/div
Standby Current vs. VIN
2.4
2
1.6
1.2
0.8
0.4
0
VIN Voltage (V)
6
8
10
12
14
16
18
20



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