UA78M12CKCS - Texas Instruments

Manufacturer Part Number

UA78M12CKCS

Manufacturer

Texas Instruments

Introduction

The UA78M12CKCS is a linear, low dropout (LDO) voltage regulator designed to provide a fixed 12V output from an input up to 30V.

Product Features and Performance

Fixed 12V output voltage

Maximum input voltage of 30V

Low dropout voltage of 2V at 350mA

Output current capability of 500mA

Power supply rejection ratio (PSRR) of 80dB at 120Hz

Product Advantages

Low dropout voltage enhances efficiency

High PSRR ensures stable output despite variations in input voltage

Robust output current capacity

Key Technical Parameters

Input Voltage (Max): 30V

Output Voltage (Min/Fixed): 12V

Voltage Dropout (Max): 2V @ 350mA

Current - Output: 500mA

PSRR: 80dB (120Hz)

Quality and Safety Features

Protection against overcurrent, over-temperature, and short circuit

Compatibility

Mounting Type: Through Hole

Package / Case: TO-220-3

Application Areas

Suitable for a wide range of electronics requiring a stable 12V supply including consumer electronics, telecommunications, and industrial equipment

Product Lifecycle

Status: Obsolete

Note: Consult Texas Instruments for potential replacements or upgrades

Several Key Reasons to Choose This Product

Reliable fixed output voltage simplifies design considerations

High reliability with built-in overcurrent, over-temperature, and short circuit protection

Suitable for applications requiring up to 500mA of output current

Efficient power regulation with low dropout voltage

Suitable for rugged operating conditions with operating temperature range from 0°C to 125°C