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ACT88321 Datasheet(PDF) 12 Page - Qorvo, Inc

Part # ACT88321
Description  Advanced PMIC with 3 Bucks, 2 LDOs, and Load Bypass Switches
PDF  55 Pages
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Manufacturer  QORVO [Qorvo, Inc]
Direct Link  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT88321 Datasheet(HTML) 12 Page - Qorvo, Inc

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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
12 of 55
www.qorvo.com
®
BUCK1 ELECTRICAL CHARACTERISTICS, REGULATOR:
(VIN_B1 = 3.3V, Tj = -40°C to +125°C, unless otherwise specified.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Operating Voltage Range
2.7
5.5
V
Output Voltage Range
Configured for 25mV steps
0.6
3.775
V
Maximum Output Current (Note1)
4
A
Maximum Operation Duty Cycle
99
%
Supply Current, Standby
Low Power Mode Enabled
Regulator Only, No Load (VOUT = VSET*1.05)
40
µA
ULPM Mode Enabled
Regulator Only, No Load (VOUT =
VSET*1.05), IC is in SLEEP or DEEP SLEEP
Mode.
10
µA
Supply Current, Shutdown
Regulator Disabled (Note2)
0.1
1
µA
Regulator Disabled
0.1
7.5
uA
Output Voltage Accuracy – PWM
(Note2)
Default output voltage, IOUT = 2A
-1
VNOM
1
%
Output Voltage Accuracy – PWM
Default output voltage, IOUT = 2A
-1.5
VNOM
1.5
%
Output Voltage Accuracy – PFM
(Note2)
Default output voltage, IOUT = 1mA, Average
Ripple Voltage
-1
VNOM
1
%
Output Voltage Accuracy – PFM
Default output voltage, IOUT = 1mA, Average
Ripple Voltage
-1.5
VNOM
1.5
%
Line Regulation
Default output voltage, VIN_B1 = 3.3V to 5.5V,
PWM mode
0.05
%/V
Load Regulation
Default output voltage, PWM Mode
0.05
%/A
Power Good Threshold
VOUT_B1 Rising
90
93
96
%VNOM
Power Good Hysteresis
VOUT_B1 Falling
3
%VNOM
Overvoltage Fault Threshold
VOUT_B1 Rising
107
110
113
%VNOM
Overvoltage Fault Hysteresis
VOUT_B1 Falling
3
%VNOM
Switching Frequency
2.00
2.25
2.36
MHz
1.00
1.125
1.18
MHz
Soft-Start Period – Programmable
10% to 90% VNOM
250
500
µs
Soft-Start Period
Variation from set point
-40
40
%
Internal High Side Peak Current
Limit (Cycle-by-Cycle) ILIMSET
B1_ILIMSET=0
B1_ILIMSET=1
3.8
5.0
A
Internal High Side Peak Current
Limit (Cycle-by-Cycle) Tolerance
At default ILIMSET
-25
ILIMSET
25
%
At other set points
-30
ILIMSET
30



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