UA78L05AIDR - Texas Instruments

Manufacturer Part Number

UA78L05AIDR

Manufacturer

Texas Instruments

Introduction

The UA78L05AIDR is a low-dropout linear voltage regulator designed for power management, specifically to provide a fixed 5V output from an input voltage up to 20V.

Product Features and Performance

Output Type: Fixed

Configuration: Positive

Maximum Input Voltage: 20V

Fixed Output Voltage: 5V

Maximum Dropout Voltage: 1.7V at 40mA

Maximum Output Current: 100mA

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

Operates over a temperature range of -40°C to 125°C

Product Advantages

Integrated protection features: Over Current, Over Temperature, Reverse Polarity, and Short Circuit protection

High PSRR for effective noise filtering in sensitive applications

Key Technical Parameters

Input Voltage (Max): 20V

Output Voltage (Min/Fixed): 5V

Voltage Dropout (Max): 1.7V @ 40mA

Current Output: 100mA

PSRR: 49dB (120Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Short Circuit Protection

Compatibility

Mounting Type: Surface Mount

Package / Case: 8-SOIC

Suitable for a wide range of applications due to its common 8-SOIC packaging

Application Areas

Consumer Electronics

Portable Devices

Power Supply Modules

Microcontroller Power Supply

Product Lifecycle

Product Status: Active

Not nearing discontinuation and replacements or upgrades are readily available

Several Key Reasons to Choose This Product

Robust output current capacity of 100mA suitable for various electronic devices

High reliability with integrated protection against overcurrent, temperature extremes, and circuit malfunctions

Efficient dropout performance ensuring stable operation even with low input-to-output differentials

Wide operating temperature range making it ideal for harsh environments

Surface-mount packaging for easy integration into a variety of circuit designs