TPS79918DDCT - Texas Instruments

Manufacturer Part Number

TPS79918DDCT

Manufacturer

Texas Instruments

Introduction

The TPS79918DDCT is a low dropout (LDO) linear voltage regulator that ensures a stable fixed output voltage of 1.8V optimized for power-sensitive applications.

Product Features and Performance

Low dropout voltage: 0.18V at 200mA load

Output voltage: 1.8V fixed

Maximum input voltage: 6.5V

Current output: 200mA

Low quiescent current: 60 µA

Power supply rejection ratio: 70dB to 38dB from 100Hz to 100kHz

Control features include enable functionality

Protection against over-current, over-temperature, reverse polarity, and under-voltage lockout (UVLO)

Operating temperature range from -40°C to 125°C

Surface mount package type: SOT-23-5 Thin, TSOT-23-5

Product Advantages

High efficiency and reliability in power regulation

Minimal energy loss due to low dropout feature

Enhanced system protection through comprehensive protective features

Highly suitable for temperature-sensitive applications due to a wide operating temperature range

Key Technical Parameters

Voltage Input (Max): 6.5V

Voltage Output (Min/Fixed): 1.8V

Current Output: 200mA

Voltage Dropout (Max): 0.18V @ 200mA

Current Quiescent (Iq): 60 µA

PSRR: 70dB ~ 38dB (100Hz ~ 100kHz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Under Voltage Lockout (UVLO)

Compatibility

Compatible with an array of devices requiring stable 1.8V power supply with a maximum input supply of 6.5V.

Application Areas

Mobile phones

Personal digital assistants (PDAs)

Portable media players

Wireless handheld devices

GPS devices

Product Lifecycle

Status: Active

Not nearing discontinuation

Continual availability of replacements or upgrades

Several Key Reasons to Choose This Product

High power efficiency suitable for battery-operated devices

Low quiescent current enhances battery life in portable applications

Versatile temperature and comprehensive protection features ensure device safety and efficiency in harsh conditions

Compact and robust packaging suitable for space-constrained applications

Strong brand reputation of Texas Instruments guarantees product reliability and performance