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ACT4921 Datenblatt(PDF) 7 Page - Qorvo, Inc

Teilenummer ACT4921
Bauteilbeschribung  Power Loss Protection with 6A eFuse
PDF  35 Pages
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Hersteller  QORVO [Qorvo, Inc]
Direct Link  https://www.qorvo.com/
Logo QORVO - Qorvo, Inc

ACT4921 Datenblatt(HTML) 7 Page - Qorvo, Inc

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Data Sheet Rev. B, January 2020 | Subject to change without notice
7 of 35
www.qorvo.com
© 2020 Qorvo US, Inc. All rights reserved.
ACT4921
Power Loss Protection with 6A eFuse
SYSTEM CHARACTERISTICS
(VIN = 5V, TA = 25°C, unless otherwise specified)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Input Supply
Input Supply Voltage Range
VIN
2.6
7
V
Input Supply Over Voltage Lock Out (OVLO)
6
V
Input Under Voltage Lock Out (UVLO)
VIN Rising (Boost/eFuse Enabled)
2.55
2.6
V
Input UVLO Hysteresis
VIN Falling
50
mV
Input Operation Current
eFuse Enabled and Soft start completed
Buck/Storage Regulator Disabled
Storage Health Check Disabled
3
mA
eFuse Enabled and Soft start completed
Buck/Storage Regulator Disabled
Storage Health Check Disabled
5.5
mA
Input Current (Shutdown)
VEN = 0V
20
µA
Input Under Voltage Lock Out (UVLO)
VIN Rising (Boost/eFuse Enabled)
2.55
2.6
V
Input Current (Shutdown)
VEN=0V
20
µA
Thermal
Thermal Warning
Sets nIRQ
120
°C
Thermal Shutdown – Disables buck and boost
145
°C
Thermal Shutdown – Disables eFuse
155
°C
Thermal Comparators Hysteresis
10
°C
SET Thresholds
BSET Reference
Normal operation range, otherwise uses
default Boost output regulation setting
0.32
1.2
V
BSET Current Source
BSET = 1.0V (25°C)
19.6
20
20.4
µA
BSET Current Source Temperature Coefficient BSET = 1.0V (25°C - 125°C)
0.0145
%/°C
STR Thresholds
Input Under Voltage Lock Out (STR_UVLO)
STR Falling
2.7
2.78
V
STR Rising
3.08
V
Open Drain Outputs
Open Drain Resistance (nIRQ, PLI, PG_VO,
PG_STR, SDA)
Sinking Current 500µA
100
Ω
VINS Thresholds
Under Voltage Reference (VINS_UV_REF)
UV REF after POR release
0.64
V



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