LP38855S-1.2 - Texas Instruments

Manufacturer Part Number

LP38855S-1.2

Manufacturer

Texas Instruments

Introduction

Linear voltage regulator designed for power management applications

Product Features and Performance

Low dropout (LDO) regulator

Fixed output voltage of 1.2V

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

Maximum voltage dropout of 0.18V at 1.5A load

Quiescent current of 300 µA

Supply current up to 15 mA

Enable control feature for power saving

Product Advantages

Efficient voltage regulation for sensitive applications

Low dropout feature maintains regulation with minimal input-output voltage difference

High PSRR minimizes noise and ripples from input source

Low quiescent current for reduced standby power consumption

Robust protection features for increased safety and reliability

Key Technical Parameters

Input voltage (Max): 5.5V

Output voltage (Min/Fixed): 1.2V

Current - Output: 1.5A

Voltage Dropout (Max): 0.18V

Current - Quiescent (Iq): 300 µA

Current - Supply (Max): 15 mA

Operating Temperature Range: -40°C ~ 125°C

Quality and Safety Features

Over current protection

Over temperature protection

Short circuit protection

Under Voltage Lockout (UVLO) for safe operation

Compatibility

Compatible with surface mount technology

Fits in TO-263-6, D2PAK (5 Leads + Tab), TO-263BA package

Supplier Device Package: TO-263 (DDPAK-5)

Application Areas

Telecommunications

Computing systems

Consumer electronics

Industrial applications

Product Lifecycle

Last Time Buy status—product approaching discontinuation

Alternative products or upgrades may be available after discontinuation

Several Key Reasons to Choose This Product

High-efficiency regulation suitable for battery-powered devices

Low-power operation extending battery life

Broad operating temperature range ensures performance under varying conditions

Comprehensive protection features safeguard against typical electrical faults

Renowned manufacturer with a strong track record for quality and reliability