Microchip 5-Channel Low Dropout Voltage Regulator 80 mA, Dual Output 3.3V & 5V, SOT-23 3-Pin MCP1799-3302H/DB

The Microchip MCP1799-3302H/DB is a high voltage automotive low-dropout (LDO) voltage regulator designed for reliable operation in harsh environments. Supporting a maximum output current of 80 mA, it offers fixed output voltages of 3.3 V and 5.0 V, making it suitable for a wide range of power management requirements in automotive and industrial electronics.

This voltage regulator features a compact SOT-23 package with a small footprint, ideal for space-constrained circuit boards. The device exhibits a low quiescent current of 45 μA, which is optimal for battery-powered applications requiring minimal standby power consumption.

Engineered to operate over an extended temperature range from -40°C to 150°C, the MCP1799-3302H/DB meets the rigorous demands of automotive specifications including AEC-Q100 qualification. The device includes internal short circuit protection, enhancing system robustness and reliability during fault conditions.

Electrical performance characteristics include a maximum input voltage of 45 V, minimum input voltage of 4.5 V, line regulation of 0.02 %/V, and load regulation of 0.4 %. These ensure consistent output voltage delivery even under varying input and load conditions. The device is compliant with RoHS directives, supporting environmental and safety standards.

Key package dimensions are length 6.5 mm, width 3.5 mm, and height 1.6 mm, contributing to ease of integration in modern electronics assemblies. This regulator is particularly used in automotive, industrial, electronic device power management, and embedded systems where stable low dropout voltage regulation is critical.

Provides low dropout voltage regulation with output currents up to 80 mA. Dual fixed output voltages of 3.3 V and 5 V are available for versatile electronics applications. Features a low quiescent current of 45 μA, reducing power consumption in battery-operated devices.

Wide operating temperature range from -40°C to 150°C ensures reliability in automotive and industrial environments. Includes short circuit protection to safeguard circuits during faults. Compact surface mount SOT-23 package with 3 pins enables space-saving PCB layouts.

Supports automotive standard AEC-Q100, ensuring suitability for automotive applications. Maximum input voltage rating of 45 V and minimum input voltage of 4.5 V provide wide design flexibility. Complies with RoHS standards confirming environmental compliance.

Typical line regulation of 0.02 %/V and load regulation of 0.4 % provide stable output voltage under varying conditions.

This Microchip voltage regulator is ideal for industrial, automotive, and electronic system designers requiring high-reliability power solutions. Its robust design and extended operating conditions make it suitable for harsh environment use.

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