TPS71256DRCT - Texas Instruments

Manufacturer Part Number

TPS71256DRCT

Manufacturer

Texas Instruments

Introduction

The TPS71256DRCT is a linear, low dropout (LDO) regulator chip designed for power management, optimized for battery-powered and low-power applications.

Product Features and Performance

Dual-channel LDO regulator

Fixed output voltage of 2.8V

Maximum input voltage of 5.5V

Low dropout voltage of 0.4V at 500mA

Output current up to 250mA per channel

Quiescent current of 250µA, maximizing battery life

Supply current up to 600µA

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

Enable, Power Good control features for improved system management

Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) protection features for enhanced safety

Product Advantages

Dual LDOs in one package reduce system complexity and PCB space requirements

Low dropout voltage and quiescent current improve energy efficiency

Integrated protection features safeguard against a wide range of power supply errors

Enables and Power Good signals provide dynamic control and system diagnostics

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 2.8V

Voltage Dropout (Max): 0.4V @ 500mA

Current Output: 250mA

Current Quiescent (Iq): 250µA

PSRR: 59dB ~ 54dB (120Hz)

Quality and Safety Features

Over Temperature Protection

Reverse Polarity Protection

Under Voltage Lockout (UVLO)

Compatibility

Compatible with 10-VFDFN Exposed Pad, 10-VSON (3x3) packages for surface mount applications

Application Areas

Battery-powered devices

Portable electronics

Low-power IoT devices

Medical devices requiring low power consumption and high efficiency

Product Lifecycle

Status: Active

Not nearing discontinuation, ensuring long-term availability for new designs

Several Key Reasons to Choose This Product

Dual LDOs offer a compact solution for power management needs

Low dropout voltage and quiescent current enhance power efficiency, extending battery life

Integrated safety features minimize the risk of damage from power supply anomalies

Broad compatibility with standard packaging and surface mount technologies simplifies integration into existing designs

Active product status with Texas Instruments' commitment to longevity ensures a stable supply for future projects