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ACT88321 Datasheet(PDF) 17 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) 17 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
17 of 55
www.qorvo.com
®
BUCK3 ELECTRICAL CHARACTERISTICS, REGULATORS:
(VIN_B3 = 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 100mV steps
0.5
3.6
V
Maximum Output Current (Note1)
2
A
Supply Current, Standby
Ultra Low Power Mode Enabled,
Regulator Current Only, No Switching
(VFB_B3 = VSET*1.05)
12
µA
Low Power Mode Enabled,
Regulator Current Only, No Switching
(VFB_B3 = VSET*1.05)
38
µA
Supply Current, Shutdown
Regulator Disabled (Note2)
0.1
1
µA
Regulator Disabled
0.1
4.5
µA
Output Voltage Accuracy – CCM
(Note2)
Default output voltage, IOUT = 1A
-1
VNOM
1
%
Output Voltage Accuracy – CCM
Default output voltage, IOUT = 1A
-2
VNOM
2
%
Output Voltage Accuracy – DCM
(Note2)
Default output voltage, IOUT = 1mA,
Average Ripple Voltage
-1
VNOM+ 3%
1
%
Output Voltage Accuracy – DCM
Default output voltage, IOUT = 1mA,
Average Ripple Voltage
-2
VNOM+ 3%
2
%
Line Regulation
Default output voltage, VIN_B3 = 3.3V to
5.5V, CCM mode
0.05
%/V
Load Regulation
Default output voltage, CCM Mode
0.05
%/A
Power Good Threshold
VOUT_B3 Rising
90
93
96
%VNOM
Power Good Hysteresis
VOUT_B3 Falling
3
%VNOM
Overvoltage Fault Threshold
VOUT_B3 Rising
107
110
113
%VNOM
Overvoltage Fault Hysteresis
VOUT_B3 Falling
3
%VNOM
Emulated Switching Frequency
FSET=00
FSET=01
FSET=10
FSET=11
1.5
2.0
2.5
3.3
MHz
Soft-Start Period – Programmable
Range
10% to 90% VNOM
50
100
250
500
µs
Soft-Start Period
Variation from set point
-40
40
%
Internal High Side Peak Current
Limit (Cycle-by-Cycle) ILIMSET
B3_ILIMSET=0
B3_ILIMSET=1
2.0
3.0
A
Internal High Side Peak Current
Limit (Cycle-by-Cycle) Tolerance
At default ILIMSET
-15
ILIMSET
15
%
At other set points
-20
ILIMSET
20
%
Low Side Peak Current Limit (Cy-
cle-by-Cycle) ILIMSET (Note3)
B3_ILIMSET=0
B3_ILIMSET=1
2.0
3.0
A



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