LP2951CN - onsemi

Manufacturer Part Number

LP2951CN

Manufacturer

Texas Instruments

Introduction

The LP2951CN is an adjustable and fixed voltage low dropout (LDO) linear regulator from Texas Instruments, designed for power management applications requiring low quiescent current and low dropout voltage.

Product Features and Performance

Adjustable output voltage from 1.235V to 29V or fixed 5V output

Low dropout voltage: 0.6V @ 100mA

Low quiescent current: 120 µA

Output current capability of 100mA

Integrated over current, over temperature, and short circuit protection

Enable control feature for power-saving mode

Wide input voltage range up to 30V

Positive output configuration

Operates across a wide temperature range from -40°C to 125°C

Product Advantages

High efficiency due to low dropout voltage

Versatility with adjustable and fixed output options

Minimal power loss with low quiescent current

Reliable operation with built-in protection features

Suitable for battery-powered applications due to enable feature

Long-term operational reliability across a broad temperature range

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 1.235V (5V)

Voltage Output (Max): 29V

Voltage Dropout (Max): 0.6V @ 100mA

Current Output: 100mA

Current Quiescent (Iq): 120 µA

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Through Hole mounting compatibility with 8-DIP package

Compatible with a variety of circuits due to adjustable output voltage

Application Areas

Power management in consumer electronics

Automotive electronics

Portable and battery-powered devices

Industrial control systems

Product Lifecycle

Status: Obsolete

Note: Availability of replacements or upgrades should be checked with Texas Instruments

Several Key Reasons to Choose This Product

Low dropout voltage enhances efficiency in low-voltage applications

Versatility in output voltage settings for a wide range of applications

Energy saving with low quiescent current and enable feature

Built-in safety features ensure product reliability and longevity

Supports a wide input voltage range, facilitating use in diverse environments

Robust operation ensured by wide operating temperature range