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ACT2113 Datasheet(PDF) 13 Page - Active-Semi, Inc

Part # ACT2113
Description  18V/3A Step-Down DC/DC Converter
PDF  17 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT2113 Datasheet(HTML) 13 Page - Active-Semi, Inc

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ACT2113
Rev 3, 23-May-12
®
Innovative PowerTM
- 13 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
TYPICAL PERFORMANCE CHARACTERISTICS
(L = 4.7µH, CIN = 100µF, COUT = 330µF, Ta = 25°C, RCOMP = 27k, CCOMP1 = 2.2nF, CCOMP2 = N/C)
IIN vs. VIN at Output Dead Short
120
100
80
60
40
20
0
140
160
180
VIN (V)
6
8
10
12
14
16
18
Max Current Limit vs. Duty Cycle
5.50
5.00
4.50
4.00
3.50
6.00
6.50
Duty Cycle
10
20
30
40
50
60
70
80
No Load Operation
CH1: VRIPPLE, 20mV/div
CH2: SW, 5V/div
TIME: 40µs/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: 1µs/div
Standby Current vs. VIN
3
2.5
2
1.5
1
0.5
0
3.5
4
VIN Voltage (V)
6
8
10
12
14
16
18
20



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