ACT4529
Rev 4, 06-Jan-2017
ELECTRICAL CHARACTERISTICS
(VIN = 12V, TA = 25°C, unless otherwise specified.)
Parameter
Output Constant Current Limit
Hiccup Waiting Time
Symbol
Condition
Rcs=20mÙ
Min
Typ
3.3
Max Units
3.1
3.5
A
S
4.13
Top FET Cycle by Cycle Current
Limit
4.5
5.8
A
Top FET Rds on
70
mÙ
Ù
Bot FET Rds on
4.7
Maximum Duty Cycle
Switching Frequency
Soft-start Time
99
%
-10%
125
2.0
80
+10%
kHz
ms
mV
Out Voltage Ripples
Cout=220uF/22uF ceramic
For high to lower voltage transi-
tions
VOUT Discharge Current
60
mA
ms
ms
Voltage transition time for QC 2.0
transition or USB PD Type C
12V-5V
5V-12V
100
100
Voltage transition time for QC 2.0
transition or USB PD Type C
Input 12V-40V-12V with 1V/us
slew rate, Vout=5V, Iload=0A
and 2.4A
Line Transient Response
4.75
4.9
5.25
5.4
V
V
80mA-1.0A-80mA load with
0.1A/us slew rate
Vout=5V
5.15
80mA-1.0A-80mA load with
0.1A/us slew rate
Load Transient Response
Vout=9V
8.7
9.1
9.5
V
V
80mA-1.0A-80mA load with
0.1A/us slew rate
Vout=12V
11.6
12.1
12.6
Thermal Shut Down
Thermal Shut Down Hysteresis
ESD of DP, DM
160
30
8
°C
°C
kV
V
HBM
PDC Floating
1.5
PDC High
2.0
V
PDC Low
0.8
5.5
V
PDC Maximum Voltage
PDC Drive Current
V
10
uA
Innovative PowerTM
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