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PCA9420 Datasheet(PDF) 73 Page - NXP Semiconductors

Part # PCA9420
Description  Power management IC for low-power microcontroller applications
PDF  87 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9420 Datasheet(HTML) 73 Page - NXP Semiconductors

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NXP Semiconductors
PCA9420
Power management IC for low-power microcontroller applications
13.6 LDO2 (System LDO)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIN_LDO2
Input voltage
range
ASYS
2.5
5.5
V
IOUT_LDO2_MAX
Maximum Output
Current
250
mA
IOUT_LDO2_LIMIT[1]
Internal Current
Limit
LDO2_OUT = GND
300
450
600
mA
1.5
2.1
VLDO2_OUT Range
LDO2 output
voltage range
programmable 25mV steps
2.7
3.3
V
VLDO2_OUT
Accuracy
LDO2 Output
Accuracy
Over VIN_LDO2, IOUT,
temperature
-3.5
3.5
%
ΔVLDO2_OUT /
(VLDO2_OUT(NOM) x
ΔVIN_LDO2)
DC Line
regulation
VLDO2_OUT(NOM)+0.5 V < VIN_LDO2 <
5.5 V, IOUT = 250 mA
0.35
%/V
ΔVLDO2_OUT /
(VLDO2_OUT(NOM) x
ΔIOUT)
DC Load
regulation
0 mA < IOUT < 250 mA
0.0065
%/mA
PSRR[1]
Power Supply
Rejection Ratio
40
dB
IIN(LDO2)
Quiescent current IOUT = 0 mA
450
nA
VDROPOUT(LDO2)[2]
Dropout Voltage
IOUT = 100 mA
150
mV
RSTDN(LDO2)
LDO2 Output
Active Discharge
Resistance
150
Ω
Table 85. EC table for LDO2
[1]
Guaranteed by design and characterization; not tested in production.
[2]
Dropout voltage is defined as the input-to-output difference in the predefined load when the output is below 100mV to the nominal regulation voltage.
PCA9420
All information provided in this document is subject to legal disclaimers.
© 2022 NXP B.V. All rights reserved.
Product data sheet
Rev. 4.0 — 28 November 2022
73 / 87



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