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ACT4524 Datasheet(PDF) 4 Page - Active-Semi, Inc

Part # ACT4524
Description  40V/3.5A Buck Converter with Dual Output and Separated Over Current Protection
PDF  16 Pages
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Manufacturer  ACTIVE-SEMI [Active-Semi, Inc]
Direct Link  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4524 Datasheet(HTML) 4 Page - Active-Semi, Inc

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ACT4524
Rev 1.1, 22-Feb-16
Innovative PowerTM
- 4 -
www.active-semi.com
Copyright © 2015 Active-Semi, Inc.
Parameter
Symbol
Condition
Min
Typ
Max Units
Input over voltage protection
VIN_OVP
Rising
40
42
44
V
Input under voltage lockout (UVLO)
VIN
Rising
4.15
4.5
4.75
V
Input UVLO hysteresis
VIN
300
mV
Output voltage regulation
CSP
5.05
5.10
5.15
V
Output voltage cord compensation
RCS1=25mΩ,Output current 2.4A
100
mV
Cord Compensation Factor
K factor
1.667
Output over voltage protection
5.5
5.7
6.0
V
Output over voltage deglitch time
500
ns
Output over voltage protection
hysteresis
0.3
V
Output under voltage protection
(UVP)
VOUT
VOUT falling
2.25
2.50
2.75
V
UVP hysteresis
VOUT
VOUT rising
0.2
V
UVP hiccup time
4
s
UVP blanking time at startup
3.5
ms
Output constant current limit
CS1
Rcs=25mΩ
2.50
2.65
2.80
A
Output constant current limit
CS2
Rcs=50mΩ
1.1
1.2
1.3
A
Maximum duty cycle
99
%
Soft-start time
2.0
ms
Out voltage ripples
Cout=470uF//22uF ceramic
80
mV
Thermal shut down
160
°C
Thermal shut down hysteresis
30
°C
ESD on CSP, CSN1, CSN2
HBM
2.0
kV
ELECTRICAL CHARACTERISTICS
(VIN = 12V, TA = 25°C, unless otherwise specified.)



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