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ACT88320 Datasheet(PDF) 14 Page - Qorvo, Inc

Part # ACT88320
Description  Advanced PMU with Inrush Control and Bypass Switch
PDF  57 Pages
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Manufacturer  QORVO [Qorvo, Inc]
Direct Link  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT88320 Datasheet(HTML) 14 Page - Qorvo, Inc

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Data Sheet Rev. E, November 2019 | Subject to change without notice
14 of 57
www.qorvo.com
© 2020 Qorvo US, Inc. All rights reserved.
ACT88320
Advanced PMU with Inrush Control and Bypass Switch
INTERNAL STEP-DOWN DC/DC ELECTRICAL CHARACTERISTICS REGULATOR: (BUCK2-3)
(AVIN = VIN = 5V, TA = 25°C, unless otherwise specified.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Input Operating Voltage Range
2.7
5.5
V
Output Voltage Programming Range
Configurable in 12.5mV steps.
0.8
3.9875
V
Standby Supply Current, Low Power
Mode Enabled
VOUTx = 103%, Regulator Enabled, No load,
VOUTx = default CMI voltage
35
µA
Shutdown Current
VIN = 5.0V, Regulator Disabled
0.1
1
µA
Output Voltage Accuracy
VOUTx = default CMI voltage, IOUTx = 1A
(continuous PWM mode)
-1%
VNOM
1%
V
Line Regulation
VOUTx = default CMI voltage, PWM Regulation
0.1
%
Load Regulation
VOUTx = default CMI voltage, PWM Regulation
0.1
%
Power Good Threshold
VOUTx Rising
90
92.5
95
%VNOM
Power Good Hysteresis
VOUTx Falling
3
%VNOM
Overvoltage Fault Threshold
VOUTx Rising
107.5
110
112.5
%VNOM
Overvoltage Fault Hysteresis
VOUTx Falling
3
%VNOM
Switching Frequency
VOUTx ≥ 20% of VNOM
-5%
1.125 /
2.25
+5%
MHz
Soft-Start Period Tset
10% to 90% VNOM
480
600
µs
Startup Time
Time from Enable to PG
700
µs
Current Limit, Cycle-by-Cycle
2.7
3.0
3.3
A
Current Limit, Shutdown
% compared to Current Limit, cycle-by-cycle
112.5
122.5
132.5
%
Current Limit, Warning
% compared to Current Limit, cycle-by-cycle
67.5
75
82.5
%
PMOS On-Resistance
ISW_Bx = -500mA, VIN = 5V
80
mΩ
NMOS On-Resistance
ISW_Bx = 500mA, VIN = 5V
50
mΩ
SW Leakage Current
VIN = 5.5V, VSW_Bx = 0 or 0V
1
µA
VIN = 5.5V, VSW_Bx = 0 or 5.5V
1
µA
Dynamic Voltage Scaling Rate
3.50
mV/us
Output Pull Down Resistance
Enabled when regulator disabled
9.4
20
Ω



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