The SPX1117M3-L-5.0 is a low dropout (LDO) voltage regulator manufactured by Exar Corporation, providing a stable and regulated 5.0V output. The 'L' in the part number typically signifies a low quiescent current version, which contributes to higher efficiency, especially in low-power applications. The 'M3' indicates the package type, which is commonly a surface-mount package.

Applications

• Microcontroller Power Supplies: Powers microcontrollers and microprocessors requiring a stable 5V supply.
• Logic Circuits: Supplies power to digital logic circuits operating at 5V.
• Sensor Power Supplies: Provides a regulated 5V supply to sensors and transducers.
• Industrial Control Systems: Used in industrial automation and control systems to provide stable power.
• Battery-Powered Devices: Efficiently regulates voltage in portable devices, extending battery life.

Features

• Low Dropout Voltage: Operates with a minimal voltage difference between input and output, maximizing efficiency.
• Fixed Output Voltage: Provides a stable and precise 5.0V output without requiring external adjustments.
• Low Quiescent Current: Minimizes power consumption when the regulator is in standby or lightly loaded.
• Overcurrent Protection: Protects the regulator and the load from damage due to excessive current draw.
• Thermal Shutdown: Shuts down the regulator if the temperature exceeds a safe limit, preventing damage from overheating.
• Short Circuit Protection: Protects the regulator from damage in the event of a short circuit condition.
• Stable with Ceramic Output Capacitors: Designed to work with low-ESR ceramic capacitors, reducing output noise and ripple.

Benefits

• Increased Efficiency: Low dropout voltage and low quiescent current minimize power dissipation, leading to higher energy efficiency and longer battery life in portable applications.
• Enhanced Reliability: Integrated protection features safeguard against common electrical faults, increasing product lifespan.
• Simplified Design: Fixed output voltage simplifies design and reduces the number of required external components.
• Precise Voltage Regulation: Ensures consistent performance and accuracy of the powered devices.

Additional Details

The SPX1117M3-L-5.0 is designed to operate over a wide temperature range, making it suitable for various industrial and commercial applications. It typically requires only input and output capacitors for stable operation. The device is lead-free and RoHS compliant.

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