Home Power management Linear & low-dropout (LDO) regulators
Home
Power management
Linear & low-dropout (LDO) regulators

TPS732

ACTIVE

250-mA, high-accuracy, ultra-low-dropout voltage regulator with reverse current protection & enable

Order now
Data sheet

TPS732

ACTIVE
Data sheet Order now

Product details

Output options Adjustable Output, Fixed Output Iout (Max) (A) 0.25 Vin (Max) (V) 5.5 Vin (Min) (V) 1.7 Vout (Max) (V) 5.5 Vout (Min) (V) 1.2 Fixed output options (V) 1.3, 1.5, 1.6, 1.8, 1.9, 2.5, 3, 3.3, 5 Noise (uVrms) 30 Iq (Typ) (mA) 0.4 Thermal resistance θJA (°C/W) 53 Rating Catalog Load capacitance (Min) (µF) 0 Regulated outputs (#) 1 Features Enable, Foldback overcurrent protection, Reverse current protection Accuracy (%) 1 PSRR @ 100 KHz (dB) 32 Dropout voltage (Vdo) (Typ) (mV) 40 Operating temperature range (C) -40 to 125
Output options Adjustable Output, Fixed Output Iout (Max) (A) 0.25 Vin (Max) (V) 5.5 Vin (Min) (V) 1.7 Vout (Max) (V) 5.5 Vout (Min) (V) 1.2 Fixed output options (V) 1.3, 1.5, 1.6, 1.8, 1.9, 2.5, 3, 3.3, 5 Noise (uVrms) 30 Iq (Typ) (mA) 0.4 Thermal resistance θJA (°C/W) 53 Rating Catalog Load capacitance (Min) (µF) 0 Regulated outputs (#) 1 Features Enable, Foldback overcurrent protection, Reverse current protection Accuracy (%) 1 PSRR @ 100 KHz (dB) 32 Dropout voltage (Vdo) (Typ) (mV) 40 Operating temperature range (C) -40 to 125
SOT-223 (DCQ) 6 23 mm² 6.5 x 3.5 SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 VSON (DRB) 8 9 mm² 3.0 x 3.0 VSON (DRB) 8 9 mm² 3 x 3
  • Stable with No Output Capacitor or Any Value or
    Type of Capacitor
  • Input Voltage Range: 1.7 V to 5.5 V
  • Ultralow Dropout Voltage: 40 mV Typical at
    250 mA
  • Excellent Load Transient Response–With or
    Without Optional Output Capacitor
  • NMOS Topology Provides Low Reverse Leakage
    Current
  • Low Noise: 30 µVRMS Typical (10 kHz to 100 kHz)
  • 0.5% Initial Accuracy
  • 1% Overall Accuracy (Line, Load, and
    Temperature)
  • Less Than 1-µA Maximum IQ in Shutdown Mode
  • Thermal Shutdown and Specified Min and Max
    Current Limit Protection
  • Available in Multiple Output Voltage Versions
    • Fixed Outputs of 1.2 V to 5 V
    • Adjustable Outputs from 1.2 V to 5.5 V
    • Custom Outputs Available
  • APPLICATIONS
    • Portable and Battery-Powered Equipment
    • Post-Regulation for Switching Supplies
    • Noise-Sensitive Circuitry such as VCOs
    • Point-of-Load Regulation for DSPs, FPGAs,
      ASICs, and Microprocessors

All other trademarks are the property of their respective owners
  • Stable with No Output Capacitor or Any Value or
    Type of Capacitor
  • Input Voltage Range: 1.7 V to 5.5 V
  • Ultralow Dropout Voltage: 40 mV Typical at
    250 mA
  • Excellent Load Transient Response–With or
    Without Optional Output Capacitor
  • NMOS Topology Provides Low Reverse Leakage
    Current
  • Low Noise: 30 µVRMS Typical (10 kHz to 100 kHz)
  • 0.5% Initial Accuracy
  • 1% Overall Accuracy (Line, Load, and
    Temperature)
  • Less Than 1-µA Maximum IQ in Shutdown Mode
  • Thermal Shutdown and Specified Min and Max
    Current Limit Protection
  • Available in Multiple Output Voltage Versions
    • Fixed Outputs of 1.2 V to 5 V
    • Adjustable Outputs from 1.2 V to 5.5 V
    • Custom Outputs Available
  • APPLICATIONS
    • Portable and Battery-Powered Equipment
    • Post-Regulation for Switching Supplies
    • Noise-Sensitive Circuitry such as VCOs
    • Point-of-Load Regulation for DSPs, FPGAs,
      ASICs, and Microprocessors

All other trademarks are the property of their respective owners

The TPS732 family of low-dropout (LDO) voltage regulators uses 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 TPS732 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.

The TPS732 family of low-dropout (LDO) voltage regulators uses 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 TPS732 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.
open-in-new Find other Linear & low-dropout (LDO) regulators
Download

Similar products you might be interested in

open-in-new Compare products
Pin-for-pin with same functionality to the compared device.
LP2992 ACTIVE 250-mA, 16-V, low-dropout voltage regulator with enable 300 mA, 40-dB PSRR, 125-uA IQ
TLV702 ACTIVE 300-mA, high-PSRR, low-IQ, low-dropout voltage regulator with enable 300 mA, 50-dB PSRR, 30-uA IQ
TPS784 ACTIVE 300-mA, low-IQ, high-PSRR, low-dropout (LDO) voltage regulator with high accuracy and enable High-accuracy (0.5% typical), 25-uA IQ, adjustable-output LDO in SOT-23 package
TPS7A20 ACTIVE 300-mA ultra-low-noise low-IQ low-dropout (LDO) linear regulator with high PSRR 300 mA, low-noise (7 uVRMS), low-IQ (6.5 uA), high PSRR in small package

Technical documentation

star =Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 7
Type Title Date
* Data sheet TPS732xx Capacitor-Free, NMOS, 250-mA Low-Dropout Regulator With Reverse Current Protection datasheet (Rev. P) PDF | HTML 17 Dec 2015
Application note LDO Noise Demystified (Rev. B) PDF | HTML 18 Aug 2020
Technical article LDO Basics: Thermals – How hot is your application? 20 Sep 2017
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 09 Aug 2017
User guide TPS73x01DRBEVM-518 User's Guide 13 Aug 2009
User guide DEM-SOT223LDO Demonstration Fixture 15 Oct 2003
More literature DMOS Delivers Dramatic Performance Gains to LDO Regulators (EDN mag) 14 Feb 2001

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DEM-SOT223LDO — DEM-SOT223LDO Compatible with Most Positive Output LDOs in SOT223 (DCQ) Package

The Texas Instruments DEM-SOT223LDO demonstration module (DEM) helps designers evaluate the operation and performance of Texas Instruments low-dropout regulators (LDOs).  This module is compatible with most positive output LDOs offered in the SOT223 (DCQ) package.

User guide: PDF
Not available on TI.com
Evaluation board

TPS73201DRBEVM-518 — TPS73201DRBEVM-518 Evaluation Module

The TPS73201DRBEVM-518 evaluation module is a fully assembled and tested circuit for evaluating the TPS73201 low-dropout (LDO) voltage regulator in the DRB (3x3mm SON) package.
User guide: PDF
Not available on TI.com
Simulation model

TPS73201 PSpice Transient Model (Rev. A)

SBVM171A.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73201 Unencrypted PSpice Transient Model

SBVM600.ZIP (1 KB) - PSpice Model
Download
Simulation model

TPS73213 PSpice Transient Model

SBVM369.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73213 Unencrypted PSpice Transient Model

SBVM596.ZIP (1 KB) - PSpice Model
Download
Simulation model

TPS73215 PSpice Transient Model

SBVM370.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73215 Unencrypted PSpice Transient Model

SBVM598.ZIP (1 KB) - PSpice Model
Download
Simulation model

TPS73216 PSpice Transient Model

SBVM373.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73216 Unencrypted PSpice Transient Model

SBVM599.ZIP (1 KB) - PSpice Model
Download
Simulation model

TPS73218 PSpice Transient Model

SBVM374.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73218 Unencrypted PSpice Transient Model

SBVM602.ZIP (1 KB) - PSpice Model
Download
Simulation model

TPS73219 PSpice Transient Model

SBVM375.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73219 Unencrypted PSpice Transient Model

SBVM594.ZIP (1 KB) - PSpice Model
Download
Simulation model

TPS73225 PSpice Transient Model

SBVM376.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73225 Unencrypted PSpice Transient Model

SBVM593.ZIP (1 KB) - PSpice Model
Download
Simulation model

TPS73230 PSpice Transient Model

SBVM372.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73230 Unencrypted PSpice Transient Model

SBVM597.ZIP (1 KB) - PSpice Model
Download
Simulation model

TPS73233 PSpice Transient Model

SBVM371.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73233 Unencrypted PSpice Transient Model

SBVM601.ZIP (1 KB) - PSpice Model
Download
Simulation model

TPS73250 PSpice Transient Model

SBVM363.ZIP (21 KB) - PSpice Model
Download
Simulation model

TPS73250 TINA-TI Transient Reference Design

SBVM366.TSC (49 KB) - TINA-TI Reference Design
Download
Simulation model

TPS73250 TINA-TI Transient Spice Model

SBVM365.ZIP (7 KB) - TINA-TI Spice Model
Download
Simulation model

TPS73250 Unencrypted PSpice Transient Model

SBVM595.ZIP (1 KB) - PSpice Model
Download
Schematic

5Vin Power Design using Integrated-FET DCDC Converters and LDO's

SLVR326.PDF (1176 KB)
Download
Schematic

12Vin Power Design using Integrated-FET DCDC Converters and LDO's

SLVR327.PDF (1160 KB)
Download
Schematic

5Vin Power Design using Integrated-FET DCDC Converters and a LDO (Rev. A)

SLVR328A.PDF (938 KB)
Download
Schematic

12Vin Power Design using Integrated-FET DCDC Converters and a LDO (Rev. A)

SLVR329A.PDF (932 KB)
Download
Reference designs

PMP21887 — High-current 360-A static / 600-A peak core PMBus voltage 12-phase reference design for ASICs

This reference design is a a 12-phase power management bus (PMBus) buck converter powering datacenter hardware accelerator, enterprise switch and router application-specific integrated circuit (ASIC) core rails. It provides 360 A of continuous current and 600 A of peak current at 0.85-V nominal (...)
Test report: PDF
Schematic: PDF
Reference designs

TIDA-00306 — Copper-to-fiber 100BASE-FX or 1000BASE-X media converter reference design for grid applications

This reference design details a methodology to use the DP83849 evaluation board to implement a 10/100BASE-TX to 10/100BASE-FX media converter, which enables copper based legacy equipment to be easily connected to a fiber network. Copper based Ethernet (10/100BASE-TX) has been widely used in grid (...)
Design guide: PDF
Schematic: PDF
Reference designs

PMP20489 — High Density 12Vin 0.8V 200A & 3.3V 75A POL Reference Design

The TPS53679-based reference design provides a single IC for control of two multi-phase outputs with up to 6 phases on main output and up to 2 phases on channel 2; up to 7 phases in all.  Multi-phase also allows output ripple cancellation and effective higher bandwidth control for a (...)
Test report: PDF
Schematic: PDF
Reference designs

TIDA-00661 — High Resolution, Fast Startup Analog Front End for Air Circuit Breaker Reference Design

The TIDA-00661 reference design features signal processing front-end subsystem for electronic trip units (ETU) used in air circuit breakers (ACB) or molded case circuit breakers (MCCB). This subsystem consists of Delta-Sigma ADC with 24-Bit resolution and fast startup (< 3ms), ±2.5V (...)
Design guide: PDF
Schematic: PDF
Reference designs

PMP2187 — Flyback, Linear Regulator for Medical Pack (5.75V @ 10mA)

This design provides isolated 5V (x2), 3.3V, 2.5V and -5V outputs. All outputs are noise filtered using Low Drop Out (LDO) linear regulators for noise sensitive applications such as medical imaging and data acquisition.
Test report: PDF
Schematic: PDF
Reference designs

TIDA-00826 — 50-Ohm 2-GHz Oscilloscope Front-end Reference Design

This reference design is part of an analog front-end for 50Ω-input oscilloscope application. System designers can readily use this evaluation platform to process input signals from DC to 2 GHz in both frequency-domain and time-domain applications.
Design guide: PDF
Schematic: PDF
Package Pins Download
SON (DRB) 8 View options
SOT-223 (DCQ) 6 View options
SOT-23 (DBV) 5 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

View all forum topics

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos