ACT88321 datasheet(14/55 Pages) QORVO

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ACT88321

Advanced PMIC with 3 Bucks, 2 LDOs, and Load Bypass Switches

Datasheet Rev. D , June 17, 2022 | Subject to change without notice

14 of 55

www.qorvo.com

BUCK1 ELECTRICAL CHARACTERISTICS, REGULATOR: – BYPASS MODE OPTION

(VIN_B1 = 3.3V, Tj = -40°C to +125°C, unless otherwise specified.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Bypass Mode

Input Voltage Range for By-Pass

Mode

2.7

3.3

3.7

PMOS On-Resistance

ISW = -1A, VIN = 3.3V

Ω

Internal PMOS Current Detection

Triggers Interrupt on IRQ Pin

1.6

2.5

3.6

Internal PMOS Current Detection

Deglitch Time

µs

Internal PMOS Current Shutdown

(Note1)

Shuts down after deglitch time and stays

off for Off Time

3.1

4.5

5.8

Internal PMOS Current Shutdown

Deglitch Time

µs

Internal PMOS Current Shutdown

Off time

Internal PMOS Softstart

Only used with 3.3V Input

6.6

mV/us

Overvoltage Protection Threshold

3.8

OV Deglitch Time

µs

Note1: There are two balls for VIN_B1 and SW_B1 which is good for 4A average lifetime rating at 105 deg C junction.

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