STMicroelectronics

LDK120M32R

LDK120M32R Description

The LDK120M32R is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This device is part of the Power Management Integrated Circuit (PMIC) category and is specifically tailored for applications requiring a fixed output voltage and low power consumption. The LDK120M32R features a fixed output voltage of 3.2V and can deliver a maximum output current of 200mA. It operates within an input voltage range up to 5.5V, making it suitable for a variety of low-voltage applications.

The regulator is designed with a low dropout voltage of 0.3V at 200mA, ensuring efficient power conversion even at low input-to-output voltage differentials. This feature is particularly beneficial in battery-powered devices where the input voltage may drop significantly over time. The LDK120M32R boasts also a low quiescent current of 60 µA and a maximum supply current of 100 µA, contributing to its high efficiency and suitability for low-power applications.

LDK120M32R Features

• Fixed Output Voltage: 3.2V, ensuring stable power supply to connected devices.
• High Efficiency: Low dropout voltage of 0.3V at 200mA maximizes power conversion efficiency.
• Low Power Consumption: Quiescent current of 60 µA and a maximum supply current of 100 µA.
• Control Features: Includes an enable function for easy control and power management.
• Protection Features: Over-current and over-temperature protection ensure reliable operation and protect against potential damage.
• Performance: High Power Supply Rejection Ratio (PSRR) of 55dB from 120Hz to 10kHz, providing excellent noise filtering.
• Packaging: Available in a Surface Mount SOT23-5 package, suitable for compact designs.
• Compliance: RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

LDK102M32R Applications

The LDK120M32R is ideal for a range of applications where low power consumption, high efficiency, and stable voltage regulation are critical. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics where battery life is a key consideration.
• Consumer Electronics: Suitable for devices requiring a fixed voltage supply, such as smartphones, tablets, and wearable technology.
• Industrial Applications: Can be used in low-power industrial sensors and control systems.
• Medical Devices: Applicable in medical equipment where stable power supply and power low consumption are essential.

Conclusion of LDK120M32R

The LDK120M32R from STMicroelectronics is a robust and efficient linear regulator designed for low-power applications. Its combination of a fixed 3.2V output, low dropout voltage, and low quiescent current make it an excellent choice for battery-powered and portable devices. The inclusion of over-current and over-temperature protection features ensures reliable operation, while its high PSRR provides superior noise filtering. The SOT23-5 package makes it suitable for compact designs, and its compliance with RoHS3 and REACH standards ensures it meets environmental and regulatory requirements. Overall, the LDK120M32R stands out as a reliable and efficient solution for power management in a variety of applications.