TLV74312PDBVR - Texas Instruments

Manufacturer Part Number

TLV74312PDBVR

Manufacturer

Texas Instruments

Introduction

The TLV74312PDBVR is a low-dropout linear voltage regulator, specially designed to deliver a fixed output from an input up to 5.5V. It is packaged in a small SOT-23-5 format well-suited for space-sensitive applications.

Product Features and Performance

Fixed output voltage of 1.2V

Maximum input voltage of 5.5V

Output current capability of 300mA

Low dropout voltage of 0.45V at 300mA load

Low quiescent current of 60 µA

Power supply rejection ratio (PSRR) ranges from 68dB to 28dB over frequencies of 100Hz to 100kHz

Operational over temperature range of -40°C to 125°C

Product Advantages

High-efficiency due to low dropout voltage

Compact and lightweight design suitable for portable devices

Low quiescent current enhances battery life in portable applications

Good noise performance with a broad range of PSRR

Robust thermal and current limit protection mechanisms

Key Technical Parameters

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): 1.2V

Current - Output: 300mA

Voltage Dropout (Max): 0.45V at 300mA

Current - Quiescent (Iq): 60 µA

PSRR: 68dB ~ 28dB (100Hz ~ 100kHz)

Quality and Safety Features

Current Limit Protection

Thermal Shutdown Protection

Under Voltage Lock Out (UVLO)

Compatibility

Compatible with a wide range of microcontrollers and digital devices requiring 1.2V

Suitable for a variety of applications due to its ability to operate across a wide range of temperatures and frequencies

Application Areas

Portable and battery-operated devices

Wireless communication equipment

Consumer electronics

Product Lifecycle

Active product status

Designed for long-term availability with no immediate discontinuation foreseen

Several Key Reasons to Choose This Product

Low dropout helps maintain regulation with lower input voltages

Efficient power consumption suitable for battery-powered applications

High reliability and protection features ensure device safety under abnormal conditions

Versatile use due to its compact SOT-23-5 footprint

Suitable for diverse applications due to wide operational temperature range