ACT88325VA
Rev 1.0, 23-May-2018
INTERNAL STEP-DOWN DC/DC ELECTRICAL CHARACTERISTICS REGULATOR: (BUCK1) –
BYPASS MODE
(VIN = 3.3V, TA = 25°C, unless otherwise specified.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage for By-Pass Mode
PMOS On-Resistance
2.7
3.3
0.04
4.2
5.5
0.06
5.4
V
Ω
A
ISW = -1A, VIN = 3.3V, Max=125°C at TJunction
Triggers Interrupt on IRQ Pin
Internal PMOS Current Detection
2.8
4.7
Internal PMOS Current Detection
Deglitch Time
10
6.5
5
µs
A
Internal PMOS Current Shutdown
Shuts down after deglitch time and stays off for Off-Time
VIN = 3.3V Input, Cout = 47uF, Default setting ISS[1:0]=00
8.7
Internal PMOS Current Shutdown
Deglitch Time
µs
Internal PMOS Current Shutdown Off-
Time (Retry time)
14
ms
µs
Internal PMOS Soft start
500
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