The SPX1117M3/TR is an adjustable and fixed voltage regulator manufactured by Exar Corporation. As a member of the SPX1117 family, it is designed to provide a stable and regulated voltage supply for various electronic applications. The '/TR' suffix indicates that the part is supplied in Tape and Reel packaging, suitable for automated assembly processes.

Applications

• Post Regulation for Switching Power Supplies: Used to provide a clean and stable voltage output after a switching regulator.
• Battery Chargers: Can be used in battery charging circuits to provide a controlled charging voltage.
• Microprocessor and Logic Power Supplies: Provides a stable voltage for microprocessors, microcontrollers, and other digital logic circuits.
• Instrumentation: Supplies precise voltage to sensitive measurement instruments.
• Adjustable Power Supplies: Can be configured to provide a variable output voltage using external resistors.

Features

• Adjustable Output Voltage: The adjustable version can provide a variable output voltage range using external resistors.
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage.
• Current Limiting: Protects the regulator and the load from damage due to overcurrent conditions.
• Thermal Shutdown: Protects the regulator from overheating by shutting it down when the temperature exceeds a safe limit.
• Short Circuit Protection: Protects the regulator and the load from damage due to short circuits.
• Tape and Reel Packaging: Supplied in tape and reel for automated assembly.

Benefits

• Versatile Application: Suitable for a wide range of voltage regulation applications due to its adjustable output voltage capability.
• Efficient Operation: Low dropout voltage minimizes power dissipation and increases efficiency.
• Enhanced Reliability: Built-in protection features such as current limiting and thermal shutdown ensure robust performance and longevity.
• Simplified Design: Requires minimal external components, simplifying the design process.
• Automated Assembly: Tape and reel packaging facilitates efficient manufacturing.

Additional Details

The SPX1117M3/TR is designed to operate over a wide temperature range. It is available in a surface-mount package. The adjustable version requires two external resistors to set the desired output voltage. The device is lead-free and RoHS compliant.

Consult the datasheet for specific operating conditions, recommended component values, and thermal characteristics.