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LMS36355QRNLTQ1 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 5V 3.5A 22VQFN. Review the specifications below when checking this part for your BOM.
The LMS36355QRNLTQ1 is a Texas Instruments synchronous step-down DC-DC converter designed for automotive applications. It operates with an input voltage range of 3.9V to 36V and delivers a fixed 5V output at up to 3.5A. The device features a 400kHz switching frequency, AEC-Q100 qualification, and a VQFN-HR-22 package. It supports shutdown functionality and operates within a temperature range of -40°C to +150°C junction.
Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct output voltage and package variant. Confirm AEC-Q100 compliance requirements match specific vehicle standards. Check datasheet for humidity sensitivity level and reflow soldering profile compatibility during assembly planning.
Select this component when a fixed 5V output is required from a wide-range automotive input. Compare against adjustable variants if flexible output voltages are needed. Ensure thermal management strategies align with the 22-pin VQFN-HR package constraints and maximum junction temperature limits specified in the electrical characteristics table.
This device belongs to the LMS3635x-Q1 family of buck converters. It shares the same footprint and pinout with other members like LMS36353QRNLTQ1 but differs in fixed output voltage settings. The family targets compact automotive designs requiring high integration and robust performance under varying load conditions.
LM536355QRNLTQ1 offers similar functionality with higher switching frequency. LMS36355QRNLRQ1 is a non-automotive grade alternative. Verify pin compatibility and thermal performance before substitution.
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