LP38691DT-2.5 - Texas Instruments

Manufacturer Part Number

LP38691DT-2.5

Manufacturer

Texas Instruments

Introduction

The LP38691DT-2.5 is a low dropout (LDO) regulator designed for power-sensitive applications, providing a fixed 2.5V output voltage.

Product Features and Performance

Low dropout voltage: 0.73V @ 500mA load

Output current up to 500mA

Low quiescent current: 55 µA

High power supply rejection ratio (PSRR): 55dB at 120Hz

Over-temperature protection

Product Advantages

Efficient operation at low voltage levels

Suitable for battery-powered devices due to low current consumption

provides clean voltage with minimal noise due to high PSRR

Increased reliability with built-in thermal protection

Key Technical Parameters

Voltage Input (Max): 10V

Voltage Output (Min/Fixed): 2.5V

Current Output: 500mA

Voltage Dropout (Max): 0.73V @ 500mA

Current Quiescent (Iq): 55 µA

PSRR: 55dB (120Hz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Temperature protection for safeguarding against thermal overload

Compatibility

The 3-pin TO-252-3, DPAK packaging allows for surface mount applications, compatible with standard PCBs

Application Areas

Power management in battery-powered devices

Portable consumer electronics

Low-power IoT devices

Product Lifecycle

Obsolete status indicates discontinuation; customers should seek replacements or upgrades for new designs

Several Key Reasons to Choose This Product

High efficiency for battery preservation

Ideal for compact, portable electronics due to minimal dropout and low quiescent current

Robust protection features ensure long-term reliability

Compatible with a wide range of applications due to its general-purpose fixed output