LP38843T-1.5 - Texas Instruments

Manufacturer Part Number

LP38843T-1.5

Manufacturer

Texas Instruments

Introduction

The LP38843T-1.5 is a low drop-out (LDO) linear voltage regulator designed for power management applications.

Product Features and Performance

Fixed output voltage of 1.5V

Supports up to 3A of output current

Low dropout voltage of 0.5V at 3A load

Quiescent current of 30 µA, reducing standby power consumption

High power supply rejection ratio (PSRR) of 80dB at 120Hz and 65dB at 1kHz

Features enable control for power sequencing

Offers over current, over temperature, and short circuit protection for enhanced safety and reliability

Product Advantages

High-efficiency regulation suitable for low voltage environments

Minimal dropout allows for better performance under battery-powered operations

Low quiescent current aids in achieving low power consumption

Robust protection features ensure long-term reliability

Easy integration with systems due to enable control feature

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.5V

Voltage Dropout (Max): 0.5V @ 3A

Current Output: 3A

Current Quiescent (Iq): 30 µA

PSRR: 80dB ~ 65dB (120Hz ~ 1kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Through-hole TO-220-5 package for easy mounting on printed circuit boards

Application Areas

Consumer electronics

Computing devices

Industrial systems

Telecommunication equipment

Product Lifecycle

Status: Obsolete

Note: Potential buyers should look for replacements or upgrades, as this product is nearing discontinuation.

Several Key Reasons to Choose This Product

High current capability supports demanding applications

Low dropout voltage suitable for efficiency-critical designs

Broad operating temperature range ensures performance under varying conditions

Robust protection mechanisms enhance system reliability

Texas Instruments' reputation for quality and support