The SPX1086AT is a low dropout (LDO) linear regulator manufactured by Sipex Corporation (now Exar Corporation). It's designed to provide a stable and regulated output voltage with a minimal voltage drop, making it suitable for various electronic devices, especially those operating from batteries. It efficiently regulates voltage with low quiescent current and excellent transient response.

Applications

• Post Regulation for Switching Supplies: Used to provide clean power after a switching regulator.
• Battery-Powered Systems: Employed in devices requiring stable voltage from a battery source.
• Microprocessor Power Supplies: Provides stable voltage to microprocessors and microcontrollers.
• Noise-Sensitive Circuits: Powers sensitive analog or digital circuits requiring low noise.
• Portable Equipment: Used in PDAs, cellular phones, and other handheld devices.

Features

• Low Dropout Voltage: Maintains regulation with minimal input-to-output voltage difference.
• High Output Current: Provides sufficient current for various applications.
• Overcurrent Protection: Protects the regulator from overcurrent conditions.
• Thermal Shutdown Protection: Protects the regulator from overheating.
• Stable with Ceramic Capacitors: Can operate with ceramic output capacitors for improved stability.
• Fixed and Adjustable Output Voltages: Available in fixed voltage options or adjustable using external resistors.

Benefits

• Extended Battery Life: Low dropout voltage and quiescent current improve battery efficiency.
• Stable Voltage Output: Provides a clean and stable voltage output, ideal for sensitive circuits.
• Improved Reliability: Protection features enhance robustness.
• Simplified Design: Requires few external components.
• Compact Size: Available in small packages suitable for portable devices.

Technical Specifications

The SPX1086AT is a low dropout linear regulator with an adjustable or fixed output voltage. It features overcurrent and thermal shutdown protection. The device comes in various packages, such as TO-220 and TO-263. For more detailed specifications and application circuits, refer to the datasheet.

This LDO regulator meets industry standards for reliability and performance, making it a suitable choice for various power management and voltage regulation needs.