LMR38025SDRRR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR38025SDRRR is a synchronous buck converter from Texas Instruments designed for high-voltage applications. It supports an input voltage range of 4.2 V to 80 V and delivers a continuous output current of 2.5 A. The device features a programmable switching frequency between 200 kHz and 2.2 MHz, enabling optimization for efficiency or size. It operates with a low quiescent current of 40 uA and includes integrated protection mechanisms such as thermal shutdown and short-circuit protection. The component is housed in a WSON-12 package and functions within a temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Supports wide input voltage range up to 80 V for industrial flexibility
• Integrates synchronous rectification for improved power efficiency
• Features programmable switching frequency to balance performance and EMI
• Includes built-in thermal and short-circuit protection for reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial automation systems
• Motor control applications
• Power supply units
• Telecommunications infrastructure

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix SDRRR against the manufacturer datasheet to confirm the reel quantity and tape-and-reel specifications. Ensure the ordering part number matches the required package variant and temperature grade. Cross-reference the component marking code with official documentation to prevent counterfeit risks during procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring high input voltages up to 80 V with moderate output currents around 2.5 A. Consider the WSON-12 package for space-constrained layouts. Evaluate the need for external synchronization if operating near noise-sensitive frequencies, as the internal oscillator allows adjustment from 200 kHz to 2.2 MHz.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR380xx family of SIMPLE SWITCHER converters, which are engineered for robust performance in demanding environments. The series emphasizes ease of use through internal compensation and fixed-frequency operation options. It serves as a solution for converting higher bus voltages to lower regulated levels efficiently.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR38025SDDAR

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by the LMR38025SDRRR?

The device supports a maximum input voltage of 80 V.

Does the LMR38025SDRRR include internal compensation?

Yes, the converter features internal compensation to simplify design implementation.