LMR38020SQDDARQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR38020SQDDARQ1 is an automotive-grade synchronous buck converter from the SIMPLE SWITCHER family. It supports a wide input voltage range of 4.2 V to 80 V and delivers a continuous output current of 2 A. The device features ultra-low quiescent current of 40 µA and adjustable switching frequencies between 200 kHz and 2.2 MHz. It operates within a junction temperature range of -40°C to 150°C and utilizes an 8-pin SO-PowerPAD package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Configured for harsh industrial environments with high input voltage tolerance
• Integrated pseudo-random spread spectrum for EMI reduction
• Supports frequency synchronization to external clocks
• Includes comprehensive protection against overcurrent, thermal overload, and short circuits

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial transportation systems
• Wireless infrastructure and network power supplies
• Factory automation and control equipment
• MHEV/EV system power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix matches the required automotive qualification standards. Confirm the package type aligns with PCB layout requirements. Ensure the operating temperature range meets the target application environment. Check for functional safety documentation if required by the design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring high input voltage handling and low standby power consumption. The adjustable switching frequency allows optimization for either efficiency or solution size. Internal compensation simplifies the design process compared to non-integrated alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR38020 series of synchronous buck converters designed for robust performance in demanding environments. The Q1 suffix indicates compliance with automotive reliability standards, distinguishing it from standard industrial variants while maintaining similar electrical characteristics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR38020SDDARQ1

Voltage Regulators - DC DC Switching Regulators FAQ

Does the device support pre-biased output startup?

Yes, the LMR38020SQDDARQ1 supports startup into pre-biased outputs.

What is the maximum duty cycle of the converter?

The device offers a maximum duty cycle of 97%.