TPS78319DDCR - Texas Instruments

Manufacturer Part Number

TPS78319DDCR

Manufacturer

Texas Instruments

Introduction

The TPS78319DDCR is a low dropout regulator designed for power-sensitive applications.

Product Features and Performance

Fixed 1.9V output voltage

Low quiescent current of 800 nA

Power supply rejection ratio (PSRR) varies from 40dB to 15dB over 10Hz to 1kHz

Active output discharge feature

Ultra-low dropout performance

Stable with a small ceramic output capacitor

Product Advantages

Highly efficient for battery-powered applications

Minimal power consumption in the standby mode

High PSRR for noise-sensitive applications

Surface mount package suitable for compact designs

Key Technical Parameters

Single regulator

Input voltage up to 5.5V

Output current of 150mA

Enable pin for power saving

Overcurrent and overtemperature protection

Operating temperature range -40°C to 105°C

Quality and Safety Features

Built-in reverse polarity protection

Reliable performance in extreme temperatures

Compatibility

Compatible with ceramic, tantalum, and aluminum electrolytic capacitors

Application Areas

Battery-powered devices

Portable electronics

Healthcare and medical instruments

Product Lifecycle

Product status is active

Not nearing discontinuation

Future replacements or upgrades may be available in the Texas Instruments portfolio

Several Key Reasons to Choose This Product

Superior battery life due to ultra-low Iq

Reliable operation in a wide temperature range

High integration with built-in protection features

Ideal for noise-sensitive applications requiring stable voltage

Simplified design with enable function for dynamic power management

Compact SOT-23-THIN package suitable for space-constrained applications