LMR33620CDDA

Voltage Regulators - DC DC Switching Regulators Overview

The LMR33620CDDA is a SIMPLE SWITCHER synchronous buck converter from Texas Instruments. It supports an input voltage range of 3.8 V to 36 V and delivers up to 2 A output current. The device features a fixed switching frequency of 1.4 MHz and adjustable output voltages from 1 V to 24 V. Quiescent current is 25 uA, with an operating temperature range of -40°C to +125°C. It utilizes a SO-PowerPAD-8 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side and low-side NDMOS transistors for efficient synchronous rectification
• Fixed 1.4 MHz switching frequency enables the use of small external components
• Adjustable output voltage capability ranging from 1 V to 24 V
• Ultra-low quiescent current of 25 uA for improved efficiency in standby modes

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Embedded system power distribution
• Communication equipment power supplies
• Battery-powered portable devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix to confirm package type and tape/reel specifications. Ensure compatibility with thermal management requirements for the SO-PowerPAD-8 package. Confirm that the selected variant meets the required input voltage and output current specifications for the target application design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for step-down conversion within a 3.8 V to 36 V input range. The fixed 1.4 MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the 2 A current limit and thermal performance in the SO-PowerPAD-8 package for PCB layout planning.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR33620 family of SIMPLE SWITCHER regulators. It shares architectural similarities with other members like the LMR33620ARNXT but differs in package configuration. The CDDA suffix specifically denotes the SO-PowerPAD-8 surface-mount package, distinguishing it from QFN variants within the same electrical specification family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR33620BRNXT

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by the LMR33620CDDA?

The device supports a maximum input voltage of 36 V.

Does the LMR33620CDDA support adjustable output voltage?

Yes, the output voltage is adjustable from 1 V to 24 V using external resistors.