ACT4529
Rev1, October 13th, 2015
ELECTRICAL CHARACTERISTICS
(VIN = 12V, TA = 25°C, unless otherwise specified.)
Unit
s
Parameter
Symbol
Condition
Min
Typ
Max
Input Over Voltage Protection
Input Over Voltage Hysteresis
VIN_OVP
Rising
40
42
4
44
V
V
Input Over Voltage Response Time
Input Under Voltage Lockout (UVLO)
Input UVLO Hysteresis
T_VIN_OVP VIN step from 30V to 45V
250
4.5
ns
V
VIN
Rising
200
mV
Input Voltage Power Good Deglitch
Time
No OVP
40
ms
Input Voltage Power Good Deglitch
Time
No UVP
10
us
Input Standby Current
Vin=12V, Vout=5.1V, Iload=0
500
uA
5.05
9.0
5.1
9.1
5.15
9.2
Output Voltage Regulation
CSP
V
11.95 12.1
12.25
5.7
Output Over Voltage Protection
(OVP)
Output rising
10.1
13.5
V
Output Over Voltage Deglitch Time
Output Voltage Cord Compensation
1.0
us
ACT4529YH
-15%
-15%
-15%
100
200
200
+15% mV
+15% mV
+15% mV
-T0001
ACT4529YH
Output current 2.4A
-T0010
ACT4529YH
-T0011
Output Under Voltage Protection
(UVP)
VOUT
VOUT falling
VOUT rising
-10%
3.2
10%
V
UVP Hysteresis
VOUT
VOUT
0.2
10
V
us
ms
A
UVP Deglitch Time
UVP Blanking Time at Startup
Output Constant Current Limit
3.5
Rcs=25mΩ
2.50
4.5
2.65
2.80
Hiccup Waiting Time
4.13
5.8
S
A
Top FET Cycle by Cycle Current
Limit
Top FET Rdson
70
mΩ
Bottom FET Rdson
4.7
Ω
Innovative PowerTM
- 4 -
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