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PS7A5301QRGRRQ1 Datasheet(PDF) 1 Page - Texas Instruments

Part # PS7A5301QRGRRQ1
Description  Automotive-Grade 3-A, High-Accuracy, Low-Noise, LDO Voltage Regulator
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

PS7A5301QRGRRQ1 Datasheet(HTML) 1 Page - Texas Instruments

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DSP, ASIC,
or FPGA
TPS7A53-Q1
VDD
GPIO
PG
OUT
IN
BIAS
EN
Bias Supply
Input Supply
EN Signal
Copyright © 2017, Texas Instruments Incorporated
Radar
Sensor System
PG
OUT
IN
EN
Input Supply
VCC
TPS7A53-Q1
Copyright © 2017, Texas Instruments Incorporated
Product
Folder
Order
Now
Technical
Documents
Tools &
Software
Support &
Community
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to
change without notice.
TPS7A53-Q1
SBVS298 – SEPTEMBER 2017
TPS7A53-Q1 Automotive-Grade 3-A, High-Accuracy, Low-Noise, LDO Voltage Regulator
1
1 Features
1
AEC-Q100 Qualified for Automotive Applications
Temperature Grade 1: –40°C
≤ TA ≤ +125°C
HBM ESD Classification Level 2
CDM ESD Classification Level C4A
Low Dropout: 180 mV (max) at 3 A With BIAS
Output Voltage Noise: 4.4 µVRMS
1% (max) Accuracy Over Line, Load, and
Temperature With BIAS
Extended Junction Temperature (TJ) Range:
–40°C to +140°C
Input Voltage Range:
Without BIAS: 1.4 V to 6.5 V
With BIAS: 1.1 V to 6.5 V
Adjustable Operation:
Output Voltage Range: 0.8 V to 5.15 V
Power-Supply Ripple Rejection:
40 dB at 500 kHz
Excellent Load Transient Response
Adjustable Soft-Start Inrush Control
Open-Drain Power-Good (PG) Output
3.5-mm × 3.5-mm, 20-Pin VQFN Package
2 Applications
RF and Radar Power in Automotive Applications
Automotive ADAS ECUs
Telematic Control Units
Infotainment and Clusters
High-Speed Interfaces (PLL and VCO)
3 Description
The TPS7A53-Q1 is a low-noise (4.4 µVRMS), low-
dropout linear regulator (LDO) capable of sourcing
3 A with only 180 mV of maximum dropout. The
device output voltage is adjustable from 0.8 V to 5.15
V using an external resistor divider.
The combination of low-noise (4.4 µVRMS), high-
PSRR, and high output current capability makes the
TPS7A53-Q1
ideal
to
power
noise-sensitive
components such as those found in high-speed
communications,
radar
power,
infotainment
applications. The high performance of this device
limits power-supply-generated phase noise and clock
jitter, making this device ideal for powering high-
performance serializer and deserializer (SerDes),
analog-to-digital converters (ADCs), digital-to-analog
converters (DACs), and RF components. Specifically,
RF amplifiers benefit from the high-performance and
5.0-V output capability of the device.
For
digital
loads
[such
as
application-specific
integrated circuits (ASICs), field-programmable gate
arrays
(FPGAs),
and
digital
signal
processors
(DSPs)] requiring low-input voltage, low-output (LILO)
voltage operation, the exceptional accuracy (1% over
load and temperature), remote sensing, excellent
transient performance, and soft-start capabilities of
the
TPS7A53-Q1
provides
optimal
system
performance.
The versatility of the TPS7A53-Q1 makes the device
a
component
of
choice
for
many
demanding
applications.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS7A53-Q1
VQFN (20)
3.50 mm × 3.50 mm
(1) For all available packages, see the package option addendum
at the end of the datasheet.
Powering Digital Loads
Powering RF Components


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