STMicroelectronics Low Dropout Voltage Regulator 18V, 200mA Output Current LDK320M-R

STMicroelectronics LDK320M-R is a high-performance low dropout (LDO) voltage regulator designed for applications requiring reliable power management. It accepts a wide input voltage range of 2.5V to 18V and delivers a maximum output current of 200mA with a typical dropout voltage of 100mV at 100mA load, ensuring efficient voltage regulation with minimal loss.

This voltage regulator features a low quiescent current of 60µA during operation and a minimal 1µA in off mode, making it well-suited for battery-powered and low-power devices. It offers a high power supply rejection ratio (PSRR) of 88dB at 120Hz, minimizing noise and interference, thus maintaining stable output voltage under varying input conditions.

The device includes logic-controlled electronic shutdown capability, allowing integration with system-level power management. Its output stability is guaranteed when used with ceramic capacitors of 1µF. Robust protection mechanisms such as current limiting, safe operating area (SOA), and thermal shutdown further enhance the device's reliability and safety under stressful conditions.

Operating temperature covers a broad industrial range from -40°C to 125°C, enabling use in harsh environments. The LDK320M-R is suitable for a variety of applications in electronic components, power management, industrial controls, and automotive electrical systems.

Input voltage range from 2.5V to 18V for versatile applications. Typical dropout voltage of 100mV at 100mA load ensures efficient regulation. Low quiescent current of 60µA with 1µA in off mode for power saving. High PSRR of 88dB at 120Hz reduces noise.

Logic-controlled electronic shutdown for system power management. Stable operation with ceramic capacitors of 1µF on output. In-built current, SOA, and thermal protections enhance durability. Wide operating temperature range from -40°C to 125°C.

This voltage regulator is ideal for industrial, laboratory, automotive, and commercial electronic power management applications where reliable, low-noise and efficient voltage control is critical.

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