TPS71433DCKR - Texas Instruments

Manufacturer Part Number

TPS71433DCKR

Manufacturer

Texas Instruments

Introduction

The TPS71433DCKR is a low-dropout (LDO) linear voltage regulator optimized for power-sensitive applications, providing a fixed 3.3V output from a maximum input of 10V.

Product Features and Performance

Fixed 3.3V Output Voltage

Low Dropout: 1.3V @ 80mA Load

Output Current: 80mA

Low Quiescent Current: 4.2 µA

Supply Current (Max): 7.4 µA

Power Supply Rejection Ratio (PSRR): 59dB to 54dB at 120Hz

Current Limiting Control Feature

Over Current Protection

Operating Temperatures Range from -40°C to 125°C

Surface Mount Package

Product Advantages

High power efficiency for battery-operated devices

Minimal power consumption in standby mode

Reliable operation in extreme temperatures

Robust protection features enhance device safety

Compact size ideal for space-constrained applications

Key Technical Parameters

Voltage Input (Max): 10V

Voltage Output (Min/Fixed): 3.3V

Voltage Dropout (Max): 1.3V @ 80mA

Current Output: 80mA

Quiescent Current (Iq): 4.2 µA

Supply Current (Max): 7.4 µA

PSRR: 59dB~54dB at 120Hz

Quality and Safety Features

Over Current Protection ensures device safety under abnormal conditions

Built to operate reliably in extreme temperatures (-40°C to 125°C)

Compatibility

Packaged in a 5-TSSOP, SC-70-5, SOT-353, making it compatible with surface mount technology (SMT)

Application Areas

Ideal for battery-powered devices

Suitable for portable and handheld electronics

Applicable in IoT devices for power management

Product Lifecycle

Currently active, with no indication of nearing discontinuation. Future availability of replacements or upgrades is maintained.

Several Key Reasons to Choose This Product

Energy-efficient operation extends battery life in portable devices

Low quiescent current reduces standby power consumption

High PSRR minimizes noise from supply fluctuations, suitable for sensitive applications

Compact footprint for space-constrained designs

Broad operational temperature range ensures reliability in challenging environments

Comprehensive protection features safeguard against circuit errors