EA4524YH Datasheet, PDF (4/16 Pages) Active-Semi, Inc – 40V/3.5A Buck Converter with Dual Output and Separated Over Current Protection

ACT4524
Rev 1.1, 22-Feb-16
ELECTRICAL CHARACTERISTICS
(V_IN = 12V, T_A = 25°C, unless otherwise specified.)
Parameter
Symbol
Input over voltage protection
VIN_OVP Rising
Input under voltage lockout (UVLO)
VIN
Rising
Input UVLO hysteresis
VIN
Output voltage regulation
CSP
Condition
Min Typ Max Units
40
42 44
V
4.15 4.5 4.75 V
300
mV
5.05 5.10 5.15 V
Output voltage cord compensation
R_CS1=25mΩ,Output current 2.4A
100
mV
Cord Compensation Factor
Output over voltage protection
Output over voltage deglitch time
Output over voltage protection
hysteresis
Output under voltage protection
(UVP)
UVP hysteresis
UVP hiccup time
UVP blanking time at startup
Output constant current limit
Output constant current limit
Maximum duty cycle
Soft-start time
Out voltage ripples
Thermal shut down
Thermal shut down hysteresis
ESD on CSP, CSN1, CSN2
K factor
VOUT
VOUT
VOUT falling
VOUT rising
CS1
Rcs=25mΩ
CS2
Rcs=50mΩ
Cout=470uF//22uF ceramic
HBM
1.667
5.5 5.7 6.0 V
500
ns
0.3
V
2.25 2.50 2.75 V
0.2
V
4
s
3.5
ms
2.50 2.65 2.80 A
1.1 1.2 1.3 A
99
%
2.0
ms
80
mV
160
°C
30
°C
2.0
kV
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