The LM1086RS-3.3 is a low dropout (LDO) voltage regulator manufactured by TAEJIN / HTC Korea. As an LDO regulator, it maintains a stable 3.3V output voltage even with a small difference between input and output voltages. This characteristic makes it useful for applications requiring efficient power conversion. The '-3.3' suffix indicates a fixed output voltage of 3.3V.

Applications

• Microcontroller Power: Provides a regulated 3.3V supply for microcontrollers and associated digital circuitry.
• Post Regulation for Switching Supplies: Reduces output ripple and noise generated by switching regulators.
• Battery-Operated Systems: Enables efficient voltage regulation from battery sources.
• Linear Power Supplies: Provides a stable 3.3V output in linear power supply configurations.
• Portable Devices: Common in portable electronics where a regulated 3.3V rail is required.

Features

• Low Dropout Voltage: Maintains regulation with a minimal voltage difference between input and output, enhancing efficiency.
• Fixed 3.3V Output: Supplies a precise and consistent 3.3V output voltage.
• Overcurrent Protection: Protects the regulator and downstream circuitry from excessive current.
• Thermal Shutdown: Disables the regulator when the internal temperature exceeds a predetermined threshold.
• Reverse Polarity Protection: Protects the regulator against damage from reverse battery connections.

Benefits

• Consistent Voltage Supply: Delivers a stable and dependable 3.3V, crucial for sensitive components.
• Increased Efficiency: The low dropout voltage minimizes power loss, resulting in higher efficiency.
• Enhanced Robustness: Incorporates overcurrent protection, thermal shutdown, and reverse battery protection for increased reliability.
• Simplified Integration: Requires a minimal number of external components.
• Cost-Effective Solution: Offers reliable voltage regulation at a competitive cost.

Additional Details

The LM1086RS-3.3 LDO voltage regulator is optimized for providing a stable 3.3V supply across various applications. It features low dropout voltage and integrated protections, rendering it suitable for applications where efficiency and reliability are paramount. It is often found in a TO-252 or similar surface-mount package. Heat sinking may be necessary depending on the operating conditions. TAEJIN/HTC Korea is a recognized manufacturer of power management ICs. It is designed as a replacement for industry-standard LDO regulators.