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ACT4525 Fiches technique(PDF) 10 Page - Active-Semi, Inc

No de pièce ACT4525
Description  40V/3.5A CV/CC Buck Converter with USB Auto ?밆etect
PDF  11 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  ACTIVE-SEMI [Active-Semi, Inc]
Site Internet  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4525 Fiches technique(HTML) 10 Page - Active-Semi, Inc

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ACT4525
Rev1.1, December 17th, 2015
Innovative PowerTM
- 10 -
www.active-semi.com
Copyright © 2015 Active-Semi, Inc.
TYPICAL PERFORMANCE CHARACTERISTICS
(Schematic as show in typical application circuit, Ta = 25°C, unless otherwise specified)
Output1 CC/CV Curve
6.0
5.0
4.0
3.0
2.0
1.0
0
Output Current (mA)
0
500
1000
1500
2000
2500
3000
VIN =24V
VIN =12V
Load Transient (80mA-1A-80mA)
Vin=12V, Vout=5V
CH1: VOUT, 100mV/div
CH2: IOUT, 1A/div
TIME: 400us//div
CH1
CH2
Load Transient (1A-2.4A-1A)
Vin=12V, Vout=5V
CH1: VOUT, 200mV/div
CH2: IOUT, 1A/div
TIME: 400us//div
CH1
CH2
Start up into CC Mode
VOUT = 5.1V
RLORD = 1.5Ω
IOUT = 2.65A
VIN = 12V
CH1: VIN, 10V/div
CH2: VOUT, 2V/div
CH3: IOUT, 2A/div
TIME: 400µs/div
CH1
CH2
CH3
Output Over Voltage (5V Vout)
CH1: VOUT, 1V/div
CH2: SW, 10V/div
TIME: 1ms/div
CH1
CH2
Load Current (mA)
0
500
1000
1500
2000
2500
3000
3500
100
95
90
85
80
75
70
65
60
Efficiency vs. Load current
VIN =12V
VIN =24V



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