STMicroelectronics

LD3985M33R

The LD3985M33R is a high-voltage, high-current, step-up/step-down switching regulator from STMicroelectronics. It is designed to provide efficient and stable power conversion in a wide range of applications, including industrial, medical, and automotive systems.

Description:

The LD3985M33R is a monolithic integrated circuit that provides a highly efficient and flexible power conversion solution. It features a step-up/step-down topology that allows it to convert input voltages from 3V to 40V into a regulated output voltage ranging from 3V to 40V. The device is available in a compact 16-pin TSSOP package.

Features:

1. Wide input voltage range: The LD3985M33R can accept input voltages from 3V to 40V, making it suitable for a wide range of power supply applications.
2. Step-up/step-down topology: The device can step up or step down the input voltage to generate a regulated output voltage, providing flexibility in power conversion applications.
3. High efficiency: The LD3985M33R offers high efficiency levels, with typical efficiency of up to 93%.
4. Programmable output voltage: The output voltage can be easily programmed using external resistors, allowing for precise output voltage regulation.
5. Low quiescent current: The device has a low quiescent current of 2.5µA in sleep mode, making it suitable for battery-powered applications.
6. Compact package: The LD3985M33R is available in a compact 16-pin TSSOP package, making it easy to integrate into a variety of applications.

Applications:

1. Industrial control systems: The LD3985M33R can be used in industrial control systems to provide efficient power conversion for various components.
2. Medical equipment: The device can be used in medical equipment to provide stable and regulated power to sensitive components.
3. Automotive systems: The LD3985M33R can be used in automotive systems to provide power conversion for various electronic components.
4. Portable devices: The device can be used in portable devices to provide efficient power conversion for battery-powered applications.
5. Telecommunication equipment: The LD3985M33R can be used in telecommunication equipment to provide stable and regulated power to various components.

In summary, the LD3985M33R is a versatile and efficient power conversion solution from STMicroelectronics that can be used in a wide range of applications. Its step-up/step-down topology, high efficiency, and programmable output voltage make it an ideal choice for various power conversion needs.