LMS3635AQRNLTQ1

Description：IC REG BUCK ADJ 3.5A 22VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:3d44148a9781 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMS3635AQRNLTQ1 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 ADJ 3.5A 22VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMS3635AQRNLTQ1

Description：IC REG BUCK ADJ 3.5A 22VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.9V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1V
Voltage - Output (Max)：15V
Current - Output：3.5A
Frequency - Switching：250kHz ~ 500kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：22-PowerVFQFN
Supplier Device Package：22-VQFN-HR (5x4)
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMS3635AQRNLTQ1

LMS3635AQRNLTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMS3635AQRNLTQ1 is a synchronous step-down DC-DC converter from Texas Instruments, designed for automotive applications with AEC-Q100 qualification. It operates within an input voltage range of 3.5V to 36V and delivers a fixed 5V output at up to 5.5A. The device features a 400kHz switching frequency and integrates protection mechanisms including overcurrent, thermal, and undervoltage lockout. Packaged in a 22-pin VQFN-HR, it supports operation from -40°C to +150°C, ensuring reliability in demanding environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous buck topology for high efficiency
Automotive-grade AEC-Q100 certification
Wide input voltage range supporting 12V and 24V systems
Compact VQFN-HR package for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment system power distribution
Telematics control unit voltage regulation
Body control module power supply
ADAS sensor power conditioning

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'A' against the official datasheet to confirm the fixed 5V output configuration. Ensure the ordering part number matches the required tape-and-reel packaging format. Confirm that the component meets the specific temperature grade requirements for your application environment before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required for automotive loads. Compare the 5.5A current capability against peak load demands. Consider the 400kHz switching frequency for inductor size trade-offs. Verify compatibility with existing PCB layout constraints due to the VQFN-HR package dimensions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMS3655/LMS3635 family of automotive synchronous buck converters. It shares architectural similarities with other members like the LMS3655QRNLTQ1 but differs in output voltage configuration. The family is characterized by high integration and robust protection features tailored for automotive PMIC requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-to-pin replacements within the same family include LMS3655QRNLTQ1 if variable output is acceptable. Cross-reference with LM53635 series for similar performance but verify package and electrical parameter differences carefully.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.