TLV74318PDQNR - Texas Instruments

Manufacturer Part Number

TLV74318PDQNR

Manufacturer

Texas Instruments

Introduction

The TLV74318PDQNR is a low dropout voltage regulator designed for low-power applications that require a low dropout threshold and small package size.

Product Features and Performance

Low dropout voltage of 0.3V at 300mA load

Fixed output voltage of 1.8V

High power supply rejection ratio (PSRR): 68dB at 100Hz to 28dB at 100kHz

Low quiescent current of 60 µA

Thermal shutdown and current limit for protection

Under-voltage lockout (UVLO)

Enable feature for controlled startup

Product Advantages

Minimal power loss due to low dropout voltage

Suitable for battery-powered applications with low quiescent current

High PSRR enhances stability despite input voltage fluctuations

Thermal protection enhances reliability and longevity

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 1.8V

Current - Output: 300mA

Voltage Dropout (Max): 0.3V at 300mA

Current - Quiescent (Iq): 60 µA

PSRR: 68dB to 28dB from 100Hz to 100kHz

Quality and Safety Features

Thermal shutdown feature

Current limit protection

Under-voltage lockout (UVLO)

Compatibility

Compatible with surface mount technology

Mounting Type: Surface Mount

Package / Case: 4-XDFN Exposed Pad

Supplier Device Package: 4-X2SON (1x1)

Application Areas

Battery-powered devices

Portable electronics

Wireless modules

IOT devices

Product Lifecycle

Product Status: Active

Not nearing discontinuation, replacements or upgrades are currently not necessary.

Several Key Reasons to Choose This Product

High efficiency due to low voltage dropout

Prolonged battery life with low quiescent current

Stable output performance across a range of input voltages

Compact X2SON package suitable for space-constrained applications

Integrated features like enable control and protection mechanisms ensure reliable operation

Wide operating temperature range suitable for diversified environmental conditions