The LM1084ISX-5.0 is a low dropout (LDO) positive voltage regulator from Texas Instruments (formerly National Semiconductor). It's designed to provide a stable and regulated 5V output voltage from a higher input voltage. This regulator is capable of delivering up to 5A of output current, making it suitable for a wide range of applications.

Applications

• Post regulator for switching power supplies
• Battery chargers
• Constant voltage power supplies
• Microprocessor power supplies
• Instrumentation

Features

• Low dropout voltage (typically 1.3V at 5A)
• Output current of 5A
• Fixed output voltage of 5V
• Built-in thermal shutdown protection
• Current limiting protection
• Three-terminal regulator
• Available in surface mount package (ISX)

Benefits

• Stable Output Voltage: Provides a constant 5V output, even with varying input voltage or load conditions.
• High Efficiency: Low dropout voltage minimizes power dissipation.
• Overload Protection: Thermal shutdown and current limiting prevent damage from overloads.
• Simplified Circuit Design: Three-terminal regulator simplifies integration into circuits.
• Wide Application Range: Suitable for various applications requiring a regulated 5V supply.

The LM1084ISX-5.0's low dropout voltage allows it to operate with a smaller difference between the input and output voltages, improving efficiency. Its built-in thermal shutdown protection protects the regulator from overheating, while current limiting prevents damage from excessive output current. The three-terminal regulator simplifies circuit design, making it easy to use. The ISX package provides a compact surface mount solution.

Technical Specifications:

• Output Voltage: 5V
• Output Current: 5A
• Dropout Voltage: 1.3V (typical at 5A)
• Operating Temperature Range: -40°C to +125°C
• Package: TO-263 (ISX)