LP5951MF-2.5 - Texas Instruments

Manufacturer Part Number

LP5951MF-2.5

Manufacturer

texas-instruments

Introduction

The LP5951MF-2.5 is a linear, low-dropout (LDO) voltage regulator designed for power-sensitive applications, providing a fixed output voltage of 2.5V from an input up to 5.5V.

Product Features and Performance

Fixed 2.5V output from up to 5.5V input

Low dropout voltage: 0.35V at 150mA load

Low quiescent current: 55 µA

Maximum supply current: 70 µA

Good power supply rejection ratio (PSRR): 60dB to 50dB from 100Hz to 10kHz

Integrated protection features: overcurrent, overtemperature, and short circuit protection

Enable control feature for power management

Operating temperature range: -40°C to 125°C

Surface mount package for compact PCB layouts

Product Advantages

High efficiency for battery-powered devices

Minimized power loss during dropout conditions

Extended battery life through low quiescent current

Robust protection improves reliability

Easy integration into various circuit designs due to enable control

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 2.5V

Current Output: 150mA

Voltage Dropout (Max): 0.35V @ 150mA

Current Quiescent (Iq): 55 µA

PSRR: 60dB ~ 50dB (100Hz ~ 10kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Compatible with a wide range of microcontrollers, sensors, and other ICs requiring a stable 2.5V power supply

Application Areas

Battery-powered devices

Portable electronics

Low-power IoT devices

Sensor networks

Product Lifecycle

Obsolete status implies the product is no longer being manufactured and may have limited availability or direct replacements

Customers are advised to seek replacements or upgrades for ongoing projects

Several Key Reasons to Choose This Product

High efficiency and reliability for critical power applications

Low dropout enhances performance in low-voltage operations

Broad operability with various electronics due to fixed 2.5V output

Advanced safety features protect against a wide range of potential issues

Suitable for compact designs with its small footprint SOT-23-5 package

Offers extended operational lifespan in harsh temperature conditions