TPS79318YZQR - Texas Instruments

Manufacturer Part Number

TPS79318YZQR

Manufacturer

Texas Instruments

Introduction

The TPS79318YZQR is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications. It offers fixed output voltage during varying input voltage and load conditions.

Product Features and Performance

Fixed output voltage of 1.8V

Maximum input voltage of 5.5V

Output current capability of 200mA

Quiescent current of 220 µA

PSRR of 70dB at 100Hz decreasing to 43dB at 100kHz

Surface mount package type

Positive output configuration

Product Advantages

High PSRR enhances power stability

Very low quiescent current improves power efficiency

Over-current, over-temperature, reverse polarity, and under-voltage lockout enhances safety and reliability

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.8V

Current Output: 200mA

Current Quiescent (Iq): 220 µA

PSRR: 70dB ~ 43dB (100Hz ~ 100kHz)

Package / Case: 5-UFBGA, DSBGA

Quality and Safety Features

Over-current protection

Over-temperature protection

Reverse polarity protection

Under-voltage lockout (UVLO)

Compatibility

Compatible with a variety of applications requiring low power consumption and stable output

Application Areas

Power-sensitive applications in consumer electronics

Wearable devices

Healthcare equipment

Product Lifecycle

Status: Obsolete

Replacement or upgrade options should be confirmed with Texas Instruments

Several Key Reasons to Choose This Product

Exceptionally low quiescent current makes it suitable for battery-operated devices

Robust protection features ensure long-term reliability under various faults

Broad operating temperature range suitable for diverse environmental conditions

High PSRR provides stable output amidst fluctuations in input voltage or varying loads

Compact UFBGA package facilitates integration into space-constrained applications