ACT8870QJ-T
REV 0 23-DEC-2016
INTERNAL STEP-DOWN DC/DC ELECTRICAL CHARACTERISTICS REGULATOR: (BUCK1) –
BYPASS MODE
(VIN_B1 = 3.3V, TA = 25°C, unless otherwise specified.)
PARAMETER
CONDITIONS
Bypass Mode
MIN
TYP
MAX
UNIT
Input Voltage for By-Pass Mode
PMOS On-Resistance
2.7
3.3
3.7
V
I
SW = -1A, VIN = 3.3V
0.025
0.04
Ω
Max=125°C at TJunction
Internal PMOS Current Detection
Triggers Interrupt on IRQ Pin
2
3
4
A
Internal PMOS Current Detection
Deglitch Time
10
6.0
10
µs
A
Internal PMOS Current Shutdown
Shuts down after deglitch time and stays off for Off Time
4.8
7.2
Internal PMOS Current Shutdown
Deglitch Time
µs
Internal PMOS Current Shutdown Off
time
100
6.6
ms
Internal PMOS Softstart
Only used with 3.3V Input
5.94
7.26
mV/us
Innovative PowerTM
ActiveSwitcherTM is a trademark of Active-Semi.
13
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
