ACT88321 datasheet(16/55 Pages) QORVO

16 / 55 page

ACT88321

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

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

16 of 55

www.qorvo.com

Internal High Side Peak Current

Limit (Cycle-by-Cycle) Toler-

ance

At other set points

-20

ILIMSET

Low Side Peak Current Limit

(Cycle-by-Cycle) ILIMSET

(Note3)

B2_ILIMSET=0

B2_ILIMSET=1

3.8

5.0

PMOS On-Resistance

ISW = -500mA, VIN_B2 = 3.3V

Ω

NMOS On-Resistance

ISW = 500mA, VIN_B2 = 3.3V

Ω

SW Leakage Current – NMOS

VIN_B2 = 5V, VSW = 5V (Note2)

0.1

µA

VIN_B2 = 5V, VSW = 5V

0.1

µA

SW Leakage Current – PMOS

VIN_B2 = 5V, VSW = 0V (Note2)

0.1

1.5

µA

VIN_B2 = 5V, VSW = 0V

0.1

µA

Dynamic Voltage Scaling Rate

B2_SLEW=00

B2_SLEW=01

B2_SLEW=10

B2_SLEW=11

22.5

11.25

5.625

2.8125

mV/µs

Switching Rise / Fall Times

VIN_B2 = 5V

B2_DRVADJ=00

B2_DRVADJ=01

B2_DRVADJ=10

B2_DRVADJ=11

1.4/1.4

1.2/1.3

1.1/1.2

1.0/1.1

Output Pull Down Resistance

Enabled when regulator disabled

9.40

Ohms

Note1: There is one ball for VIN_B2 and two balls for SW_B2 which is good for 2A and 4A average lifetime rating at 105 deg C junction.

Note2: TA = 25°C

Note3: LSILIM is used for current run-away protection. It is only enabled when the top FET on-time is less than 120ns.

ACT88321 Datasheet(PDF) 16 Page - Qorvo, Inc

ACT88321 Datasheet(HTML) 16 Page - Qorvo, Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55

Datasheet Download

Link URL