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TPS73101 Datasheet Preview

TPS73101 Datasheet

150-mA Low Dropout Regulator

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TPS731
SBVS034N – SEPTEMBER 2003 – REVISED DECEMBER 2015
TPS731xx Capacitor-Free, NMOS, 150-mA Low Dropout Regulator With Reverse Current
Protection
1 Features
1 Stable With or Without Capacitors of All Types
• Input Voltage Range of 1.7 V to 5.5 V
• Ultralow Dropout Voltage: 30 mV Typical (150-mA
Load)
• Excellent Load Transient Response—With or
Without Optional Output Capacitor
• New NMOS Topology Provides Low Reverse
Leakage Current
• Low Noise: 30 μVRMS Typical (10 kHz to 100 kHz)
• 0.5% Initial Accuracy
• 1% Overall Accuracy Over Line, Load, and
Temperature
• Less Than 1-μA Maximum IQ in Shutdown Mode
• Thermal Shutdown and Specified Minimum and
Maximum Current Limit Protection
• Available in Multiple Output Voltage Versions
– Fixed Outputs of 1.20 V to 5 V
– Adjustable Outputs from 1.2 V to 5.5 V
– Custom Outputs Available
2 Applications
• Smart Grid and Energy
• Building Automation
• Set-Top Boxes
• Medical Equipment
• Test and Measurement
• Point-of-Sale Terminals
• Wireless Infrastructure
3 Description
The TPS731xx family of low-dropout (LDO) linear
voltage regulators uses a new topology: an NMOS
pass element in a voltage-follower configuration. This
topology is stable using output capacitors with low
equivalent series resistance (ESR), and even allows
operation without a capacitor. The device also
provides high reverse blockage (low reverse current)
and ground pin current that is nearly constant over all
values of output current.
The TPS731xx 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 less than 1 μA
and ideal for portable applications. The extremely low
output noise (30 μVRMS with 0.1-μF CNR) is ideal for
powering VCOs. These devices are protected by
thermal shutdown and foldback current limit.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS731xx
SOT-23 (5)
2.90 mm × 1.60 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Application Circuit for Fixed-Voltage Versions
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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TPS73101 Datasheet Preview

TPS73101 Datasheet

150-mA Low Dropout Regulator

No Preview Available !

TPS731
SBVS034N – SEPTEMBER 2003 – REVISED DECEMBER 2015
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 Applications ................................................ 14
9 Power Supply Recommendations...................... 17
10 Layout................................................................... 17
10.1 Layout Guidelines ................................................. 17
10.2 Layout Example .................................................... 17
10.3 Thermal Considerations ........................................ 17
11 Device and Documentation Support ................. 19
11.1 Device Support...................................................... 19
11.2 Documentation Support ....................................... 19
11.3 Related Links ........................................................ 19
11.4 Community Resources.......................................... 20
11.5 Trademarks ........................................................... 20
11.6 Electrostatic Discharge Caution ............................ 20
11.7 Glossary ................................................................ 20
12 Mechanical, Packaging, and Orderable
Information ........................................................... 20
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision M (August 2009) to Revision N
Page
• Changed first and third Features bullets ................................................................................................................................ 1
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 1
• Changed list of recommended Applications ........................................................................................................................... 1
• Changed Pin Configuration and Functions section; updated table format to meet new standards ...................................... 3
• Changed free-air temperature to junction temperature in Absolute Maximum Ratings condition statement ........................ 4
• Deleted Power Dissipation Ratings table ............................................................................................................................... 4
• Changed Thermal Information table; updated thermal resistance values for all packages .................................................. 4
Changes from Revision L (May, 2009) to Revision M
Page
• Changed Figure 10 ................................................................................................................................................................ 6
• Added paragraph about recommended start-up sequence to Internal Current Limit section .............................................. 13
• Added paragraph about current foldback and device start-up to Enable Pin and Shutdown section .................................. 13
2
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Product Folder Links: TPS731
Copyright © 2003–2015, Texas Instruments Incorporated


Part Number TPS73101
Description 150-mA Low Dropout Regulator
Maker etcTI
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