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TPS737-Q1 Datasheet Preview

TPS737-Q1 Datasheet

1-A Low-Dropout Regulator

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TPS737-Q1
SBVS123B – DECEMBER 2008 – REVISED SEPTEMBER 2019
TPS737-Q1 1-A Low-Dropout Regulator With Reverse Current Protection
1 Features
1 Qualified for automotive applications
• AEC-Q100 qualified with the following results:
– Device temperature grade 1: –40°C to 125°C
ambient operating temperature range
– Device HBM ESD classification level 2
– Device CDM ESD classification level C4A
• Stable with 1-µF or larger ceramic output
capacitor
• Input voltage range: 2.2 V to 5.5 V
• Ultra-low dropout voltage: 130 mV (typical) at 1 A
• Excellent load transient response, even with only
1-µF output capacitor
• NMOS topology delivers low reverse leakage
current
• 1% initial accuracy
• 3% overall accuracy over line, load, and
temperature
• Less than 20-nA (typical) quiescent current in
shutdown mode
• Thermal shutdown and current limit for fault
protection
• Available in multiple output voltage versions
2 Applications
• Point of load regulation for DSPs, FPGAs, ASICs,
and microprocessors
• Post-regulation for switching supplies
• Portable and battery-powered equipment
3 Description
The TPS737xx-Q1 family of linear low-dropout (LDO)
voltage regulators uses an NMOS pass element in a
voltage-follower configuration. This topology is
relatively insensitive to output capacitor value and
ESR, allowing a wide variety of load configurations.
Load transient response is excellent, even with a
small 1-µF ceramic output capacitor. The NMOS
topology also allows very low dropout.
The TPS737xx-Q1 family uses an advanced BiCMOS
process to yield high precision while delivering very
low dropout voltages and low ground pin current.
Current consumption, when not enabled, is under
20 nA and ideal for portable applications. These
devices are protected by thermal shutdown and
foldback current limit.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS737-Q1
VSON (8)
3.00 mm × 3.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Circuit
VIN
IN
OUT
VOUT
TPS737xx
EN GND
ON
OFF
1
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. PRODUCTION DATA.




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TPS737-Q1 Datasheet Preview

TPS737-Q1 Datasheet

1-A Low-Dropout Regulator

No Preview Available !

TPS737-Q1
SBVS123B – DECEMBER 2008 – REVISED SEPTEMBER 2019
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 6
7 Detailed Description ............................................ 11
7.1 Overview ................................................................. 11
7.2 Functional Block Diagrams ..................................... 11
7.3 Feature Description................................................. 12
7.4 Device Functional Modes........................................ 13
8 Application and Implementation ........................ 14
8.1 Application Information............................................ 14
8.2 Typical Application .................................................. 14
9 Power Supply Recommendations...................... 16
10 Layout................................................................... 16
10.1 Layout Guidelines ................................................. 16
10.2 Layout Example .................................................... 17
11 Device and Documentation Support ................. 18
11.1 Documentation Support ........................................ 18
11.2 Receiving Notification of Documentation Updates 18
11.3 Community Resources.......................................... 18
11.4 Trademarks ........................................................... 18
11.5 Electrostatic Discharge Caution ............................ 18
11.6 Glossary ................................................................ 18
12 Mechanical, Packaging, and Orderable
Information ........................................................... 18
12.1 Package Mounting ................................................ 18
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision A (July 2016) to Revision B
Page
• Changed device temperature grade AEC-Q100 Features bullet............................................................................................ 1
• Deleted sub-bullets from Features output voltage version bullet .......................................................................................... 1
Changes from Original (December 2008) to Revision A
Page
• Added Device Information table, Pin Configuration and Functions section, Specifications section, ESD Ratings table,
Recommended Operating Conditions table, Thermal Information table, Detailed Description section, Application and
Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation
Support section, and Mechanical, Packaging, and Orderable Information section................................................................ 1
• Deleted Ordering Information Table; see POA at the end of the datasheet .......................................................................... 1
2
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Product Folder Links: TPS737-Q1
Copyright © 2008–2019, Texas Instruments Incorporated


Part Number TPS737-Q1
Description 1-A Low-Dropout Regulator
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