View All

Please refer to the English Version as our Official Version.Return

France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Netherlands(Nederland) Spain(español) Turkey(Türk dili) Israel(עִבְרִית) Denmark(Dansk) Switzerland(Deutsch) United Kingdom(English)
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Philippines(Pilipino)
Africa, India and Middle East
North America
United States(English) Canada(English) Mexico(español)
HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearTPS731125DBVR
TPS731125DBVR Image
Image may be representation.
See specifications for product details.

TPS731125DBVR - Texas Instruments

Manufacturer Part Number
Texas Instruments
Allelco Part Number
ECAD Model
Parts Description
IC REG LIN 1.25V 150MA SOT23-5
Detailed Description
SC-74A, SOT-753
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
In stock: 82380

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.



TPS731125DBVR Tech Specifications
Texas Instruments - TPS731125DBVR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TPS731125DBVR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) 0.1V @ 150mA  
Voltage - Output (Min/Fixed) 1.25V  
Voltage - Output (Max) -  
Voltage - Input (Max) 5.5V  
Supplier Device Package SOT-23-5  
Series -  
Protection Features Over Current, Over Temperature, Short Circuit, Reverse Polarity  
Package / Case SC-74A, SOT-753  
Package Tape & Reel (TR)  
PSRR 58dB ~ 37dB (100Hz ~ 10kHz)  
Product Attribute Attribute Value  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Supply (Max) 750 µA  
Current - Quiescent (Iq) 550 µA  
Current - Output 150mA  
Control Features Enable  
Base Product Number TPS731125  

Parts Introduction

Manufacturer Part Number



Texas Instruments


TPS731125DBVR is a low-dropout linear regulator designed for power-sensitive applications, providing a fixed output voltage of 1.25V.

Product Features and Performance

Fixed output voltage of 1.25V

Maximum input voltage of 5.5V

Dropout voltage of 0.1V at 150mA load

Output current capacity of 150mA

Quiescent current of 550µA

Supply current maximum of 750µA

Power supply rejection ratio ranges from 58dB to 37dB between 100Hz and 10kHz

Control features include Enable function

Protection features cover Over Current, Over Temperature, Short Circuit, and Reverse Polarity

Product Advantages

High efficiency with low dropout voltage

Compact SOT-23-5 package suitable for space-constrained applications

Enhanced thermal and overload protection for reliable operation

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Fixed): 1.25V

Dropout Voltage (Max): 0.1V @ 150mA

Output Current: 150mA

Quiescent Current (Iq): 550µA

Supply Current (Max): 750µA

Quality and Safety Features

Built-in over temperature protection

Short circuit protection

Reverse polarity protection


Compatible with positive output voltage systems

Suitable for use in applications requiring fixed output from a higher voltage source

Application Areas

Ideal for battery-powered devices

Suitable for IoT devices and wearables

Used in portable electronics requiring stable voltage supply

Product Lifecycle

Status: Last Time Buy

Indicates nearing discontinuation with the need to look for replacements or upgrades

Several Key Reasons to Choose This Product

Low dropout voltage enhances battery efficiency

Robust built-in protection features ensure long-term reliability

Energy-efficient with low quiescent current suitable for battery-sensitive applications

Compact package facilitates usage in tight spaces

High PSRR ensures stable operation against supply noise

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TPS731125DBVR

Product Attribute TPS731125DBVR TPS73047DBVR TPS73101DBVR TPS73115DBVT
Part Number TPS731125DBVR TPS73047DBVR TPS73101DBVR TPS73115DBVT
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Voltage - Input (Max) 5.5V 5.5V 5.5V 5.5V
PSRR 58dB ~ 37dB (100Hz ~ 10kHz) 68dB (100Hz) 58dB ~ 37dB (100Hz ~ 10kHz) 58dB ~ 37dB (100Hz ~ 10kHz)
Output Type Fixed Fixed Adjustable Fixed
Current - Quiescent (Iq) 550 µA 250 µA 550 µA 550 µA
Protection Features Over Current, Over Temperature, Short Circuit, Reverse Polarity Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Short Circuit, Reverse Polarity Over Current, Over Temperature, Short Circuit, Reverse Polarity
Base Product Number TPS731125 TPS73047 TPS73101 TPS73115
Current - Supply (Max) 750 µA - 750 µA 750 µA
Voltage - Output (Max) - - 5.5V -
Supplier Device Package SOT-23-5 SOT-23-5 SOT-23-5 SOT-23-5
Control Features Enable Enable Enable Enable
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Current - Output 150mA 200mA 150mA 150mA
Output Configuration Positive Positive Positive Positive
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage - Output (Min/Fixed) 1.25V 4.7V 1.2V 1.5V
Package / Case SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753
Number of Regulators 1 1 1 1
Series - - - -
Voltage Dropout (Max) 0.1V @ 150mA 0.21V @ 200mA 0.1V @ 150mA 0.1V @ 150mA
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)

TPS731125DBVR Datasheet PDF

Download TPS731125DBVR pdf datasheets and Texas Instruments documentation for TPS731125DBVR - Texas Instruments.

Cylindrical Battery Holders.pdf
PCN Assembly/Origin
PCN Design/Specification
Cylindrical Battery Holders.pdf
HTML Datasheet


Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

View More
TPS731125DBVR Image


Texas Instruments

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB