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TPS7250QDR

LDO linear regulator, TPS72xx family, fixed output, SOIC-8, low quiescent current

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Manufacturer Part：

TPS7250QDR

Package：

SOIC-8 (D) 4.9x6 mm

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Description

Product Overview

The TPS7250QDR from Texas Instruments is a low-dropout (LDO) linear regulator providing a fixed output voltage in an SOIC-8 package. Part of the TPS72xx family of low-power LDOs, it features very low quiescent current, excellent line and load regulation, and is designed for battery-powered and portable applications requiring clean, stable voltage rails.

Key Specifications

Output Type Fixed voltage (TPS72xx family)
Topology LDO Linear Regulator
Package SOIC-8 (D) 4.9×6 mm
Manufacturer Texas Instruments
Family TPS72xx
Category LDO Regulator

Features

  • Low-dropout voltage for efficient regulation from battery sources
  • Ultra-low quiescent current ideal for battery-powered systems
  • Excellent line and load regulation for stable output
  • SOIC-8 package for easy PCB assembly
  • Thermal shutdown and current limit protection

Applications

  • Battery-powered portable electronics
  • DSP and microcontroller power rails
  • Low-noise analog supply regulation
  • Point-of-load voltage regulation
  • Industrial and automotive systems

The TPS7250 is a member of the TPS72xx family of low-dropout linear regulators from Texas Instruments. Designed for battery-powered and portable applications, this LDO provides a fixed output voltage with very low quiescent current and excellent line and load regulation. The SOIC-8 package provides easy PCB assembly and good thermal performance. The device includes built-in thermal shutdown and current limit protection for reliable operation in demanding environments.

The TPS7250 uses a P-channel MOSFET pass element to regulate the output voltage. The error amplifier compares a fraction of the output voltage (via internal resistor divider for fixed versions) against an internal bandgap reference. The amplifier drives the gate of the P-channel pass transistor to maintain the desired output voltage. Low dropout is achieved because the P-channel MOSFET requires minimal gate-source voltage to remain in saturation. The low quiescent current results from the CMOS-based control circuitry, which draws minimal current compared to bipolar LDO designs.

Pin Name Type Function
1 SENSE Input Output voltage sense (fixed versions)
2 EN Input Enable (active high)
3 GND Power Ground
4 NC – No connect
5 NC – No connect
6 OUT Output Regulated output voltage
7 IN Power Input supply voltage
8 GND Power Ground
  • Battery-powered MCU boards: clean LDO supply from single Li-Ion cell
  • DSP core rails: low-noise regulation for sensitive analog circuits
  • Portable instrumentation: low Iq extends battery life in always-on systems
  • Point-of-load: local regulation to reduce noise on sensitive signal chains
  • Industrial control: stable supply for precision analog front-ends
Manufacturer Part Number Package Notes
TI TPS72501PWP HTSSOP-20 Adjustable version, larger package
TI TPS7A4700RGWR VQFN-20 Ultra-low noise LDO upgrade
TI TPS7A7001DGKR VSSOP-8 2A adjustable LDO
ADI LT1763CS8 SOIC-8 Low noise LDO, similar package
onsemi NCP511SN TSOP-5 Compact low-Iq LDO
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Contact Information

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Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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Contact Information

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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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