TPS78342DDCT - Texas Instruments

Manufacturer Part Number

TPS78342DDCT

Manufacturer

Texas Instruments

Introduction

TPS78342DDCT is a high-performance low-dropout (LDO) voltage regulator designed specifically for power-sensitive applications.

Product Features and Performance

Single regulator output

Fixed output voltage of 4.2V

Maximum input voltage of 5.5V

Low dropout voltage of 0.25V at 150mA load

Output current capacity of 150mA

Ultra-low quiescent current of 800 nA

High power supply rejection ratio (PSRR) ranging from 40dB to 15dB at frequencies between 10Hz to 1kHz

Product Advantages

High efficiency due to low quiescent current and dropout voltage

Improved battery life in portable applications

Stable performance over a wide range of operating temperatures

Key Technical Parameters

Output Configuration: Positive

Output Type: Fixed

Number of Regulators: 1

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 4.2V

Current Output: 150mA

Current Quiescent (Iq): 800 nA

PSRR: 40dB ~ 15dB (10Hz ~ 1kHz)

Max Dropout Voltage: 0.25V @ 150mA

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Compatible with a variety of surface mount technologies due to its SOT-23-5 Thin, TSOT-23-5 packaging

Application Areas

Ideal for battery-powered devices

Suitable for medical equipment, portable electronics, and wireless communications equipment

Product Lifecycle

Currently active product status

Not nearing discontinuation, with a stable supply forecast

Several Key Reasons to Choose This Product

Superior power efficiency for enhanced battery life

Reliable operation under varying temperatures from -40°C to 105°C

Robust safety features ensuring device protection and longevity

Small package suitable for compact and densely packed PCB layouts

High PSRR ensures stable output voltage in noisy environments