The SPX1004M1-1-2/TR is a positive voltage regulator from Exar Corporation, designed to deliver a stable 1.2V output. It is characterized by its low dropout voltage, overcurrent protection, and thermal shutdown features, making it suitable for a wide array of applications that require regulated power.

Applications

• Post Regulation for Switching Power Supplies: Provides a stable and precise output voltage following an initial switching regulation stage.
• Battery-Powered Systems: Extends battery life in portable devices by efficiently regulating voltage with minimal dropout.
• Microprocessor and Logic Power: Powers microcontrollers, FPGAs, and other digital circuits requiring a regulated 1.2V supply.
• Portable Instrumentation: Ensures accurate and stable power for measurement and testing equipment.
• Linear Regulator for Sensitive Analog Circuitry: Delivers clean, low-noise power to analog circuits, minimizing signal interference.

Features

• Low Dropout Voltage: Operates with a minimal voltage difference between input and output, improving efficiency.
• Fixed Output Voltage: Provides a stable and precise 1.2V output voltage without requiring external adjustments.
• Overcurrent Protection: Protects the regulator and the load from damage due to excessive current draw.
• Thermal Shutdown: Shuts down the regulator in case of overheating, preventing permanent damage.
• Short Circuit Protection: Safeguards the regulator in the event of a short circuit condition on the output.
• Stable with Ceramic Output Capacitors: Ensures stable operation with low-ESR ceramic capacitors, reducing output noise and ripple.
• Tape and Reel Packaging (TR): Supplied in tape and reel packaging for automated assembly processes.

Benefits

• Extended Battery Life: Low dropout voltage minimizes power dissipation and extends operating time in battery-powered applications.
• Enhanced System Reliability: Integrated protection features safeguard against common electrical faults, increasing product lifespan.
• Simplified Design: Fixed output voltage and stability with ceramic capacitors reduce design complexity and component count.
• Precise Voltage Regulation: Ensures consistent performance and accuracy of powered devices.
• Suitable for Automated Assembly: Tape and reel packaging facilitates efficient manufacturing processes.

Additional Details

The SPX1004M1-1-2/TR operates over a wide temperature range, making it suitable for industrial and automotive environments. It typically requires only input and output capacitors for stable operation. The M1 package provides a compact footprint and good thermal performance.

The device is lead-free and RoHS compliant. Consult the datasheet for specific operating conditions, recommended component values, and thermal considerations.