LMR33620ADDAR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR33620ADDAR is a SIMPLE SWITCHER synchronous step-down voltage converter from Texas Instruments. It operates with an input voltage range of 3.8 V to 36 V and delivers up to 2 A of output current. The device features a fixed switching frequency of 400 kHz and supports adjustable output voltages between 1 V and 24 V. Packaged in an 8-VQFN-HR (12-pin) surface-mount housing, it includes integrated power switches and protection features such as overcurrent protection and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for high efficiency
• Fixed 400 kHz switching frequency reduces external component size
• Built-in overcurrent and thermal protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Embedded system power distribution
• Communication equipment bias supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes against official datasheets to ensure correct package and temperature grade. Confirm RoHS compliance status and assembly site information via manufacturer documentation before procurement. Cross-reference distributor listings with TI official sources to validate authenticity and avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for converting higher bus voltages down to lower logic or analog rails. The fixed frequency operation simplifies filter design compared to variable frequency alternatives. Ensure the application load does not exceed the 2 A continuous current rating while maintaining adequate thermal dissipation through the exposed pad.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the SIMPLE SWITCHER family, designed for ease of use with minimal external components. It serves as a cost-effective alternative to linear regulators in applications where input-output voltage differentials are significant, offering improved thermal performance and energy efficiency in space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR33620ADDA is a pin-compatible variant within the same series. Verify specific electrical tolerances and package dimensions against the original design requirements before substitution.