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ACT4070BYH Datasheet(PDF) 8 Page - Active-Semi, Inc

Part # ACT4070BYH
Description  Wide Input 3A Step Down Converter
PDF  9 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4070BYH Datasheet(HTML) 8 Page - Active-Semi, Inc

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ACT4070B
Rev 0, 23-Apr-12
Innovative Power
TM
- 8 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 3, unless otherwise specified.)
Load Current (mA)
10
100
1000
10000
1
100
80
60
40
20
0
Efficiency vs. Load Current
VIN = 12V
VOUT = 5V
VIN = 24V
Shutdown Current vs. Input Voltage
100
80
60
40
20
0
120
Input Voltage (V)
10
15
20
30
5
25
Load Transient Response
Load Transient Response
CH1
CH1
CH2
CH2
VIN = 24V
V0UT = 5V
VIN = 12V
V0UT = 5V
CH1: IOUT, 1A/div
CH2: VOUT, 200mV/div
TIME: 400µs/div
CH1: IOUT, 1A/div
CH2: VOUT, 200mV/div
TIME: 400µs/div
Maximum Peak Current vs. Duty Cycle
4.5
4.2
3.9
3.6
3.3
3
Duty Cycle
20
30
40
50
60
70



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