TPS77433DGKR - Texas Instruments

Manufacturer Part Number

TPS77433DGKR

Manufacturer

Texas Instruments

Introduction

The TPS77433DGKR is a low dropout (LDO) voltage regulator from Texas Instruments, designed for applications requiring a regulated 3.3V output from an input voltage up to 10V.

Product Features and Performance

Low dropout voltage of 0.33V at 250mA load

Fixed output voltage of 3.3V

Output current capacity of 250mA

Quiescent current of 125 µA, optimizing power efficiency

Power Supply Rejection Ratio (PSRR) of 55dB at 1kHz, ensuring stable output

Integrated features for Enable and Power Good signaling

Over Current and Over Temperature protection for safety

Reverse Polarity protection to prevent damage from incorrect power connections

Product Advantages

High efficiency and low quiescent current enhance battery life

Fixed output voltage simplifies circuit design

Comprehensive protection features ensure reliability and safety

Small footprint 8-VSSOP package suitable for compact designs

Key Technical Parameters

Voltage Input (Max): 10V

Voltage Output (Min/Fixed): 3.3V

Voltage Dropout (Max): 0.33V @ 250mA

Current Output: 250mA

Current Quiescent (Iq): 125 µA

PSRR: 55dB (1kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current, Over Temperature, and Reverse Polarity protection

High PSRR for stable operation

Robust operating temperature range for diverse environments

Compatibility

Compatible with various microcontrollers, sensors, and other electronic components requiring a 3.3V supply

Suitable for surface mount technology (SMT) on PCBs

Application Areas

IoT devices

Portable electronics

Wireless communication modules

Industrial controls

Power management solutions

Product Lifecycle

Status: Active

Not nearing discontinuation with support for replacements and upgrades available

Several Key Reasons to Choose This Product

Texas Instruments' reputation for reliability and quality

Low dropout voltage allows for efficient use in low headroom applications

Low quiescent current aids in extending battery life for portable devices

Comprehensive protection features safeguard against a wide range of potential issues

Compact and versatile for easy integration into various designs and applications