UA78L05AIPK - Texas Instruments

Manufacturer Part Number

UA78L05AIPK

Manufacturer

Texas Instruments

Introduction

The UA78L05AIPK is a fixed output, low dropout linear regulator designed for Power Management integrated circuits, specifically suited for applications requiring a regulated 5V output.

Product Features and Performance

Single Positive Output Configuration

Fixed Output Voltage of 5V

Maximum Input Voltage of 20V

Low Dropout Voltage of 1.7V at 40mA load

Output Current Capacity of 100mA

High Power Supply Rejection Ratio (PSRR) of 49dB at 120Hz

Over current, over temperature, reverse polarity, and short circuit protection

Product Advantages

High reliability and performance with built-in protection features

Compact surface mount package (SOT-89-3)

Low dropout voltage allows operation closer to the input voltage

High PSRR minimizes noise transferred from the input to the output

Key Technical Parameters

Input Voltage (Max): 20V

Output Voltage (Min/Fixed): 5V

Dropout Voltage (Max): 1.7V @ 40mA

Output Current: 100mA

PSRR: 49dB (120Hz)

Operating Temperature: -40°C ~ 125°C

Mounting Type: Surface Mount

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Short Circuit Protection

Compatibility

Compatible with a wide range of digital and analog circuits due to stable 5V output

Application Areas

Consumer Electronics

Telecommunications

Computing Devices

Industrial Equipment

Product Lifecycle

Current Status: Active

Not near discontinuation, with ongoing manufacturer support for replacements or upgrades

Several Key Reasons to Choose This Product

High efficiency with low dropout design for full operation on lower voltages

Robust protection features ensure longevity and reliability in various applications

Ideal for compact, high-density installations due to small footprint SOT-89-3 package

Suitable for a wide operational temperature range making it versatile for different environments

High PSRR providing cleaner output for sensitive loads