LMS3635LQRNLTQ1

$5.24

Description：IC REG BUCK 5V 3.5A 22VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:643f7ffb4dea Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMS3635LQRNLTQ1 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.

Voltage Regulators - DC DC Switching Regulators specifications for LMS3635LQRNLTQ1

Description：IC REG BUCK 5V 3.5A 22VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：3.9V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
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 LMS3635LQRNLTQ1

LMS3635LQRNLTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMS3635LQRNLTQ1 is a synchronous step-down DC/DC converter from Texas Instruments, designed for automotive applications with AEC-Q100 qualification. It features a wide input voltage range of 3.9 V to 36 V and delivers a fixed 5 V output at up to 3.5 A. The device operates with a switch frequency between 250 kHz and 500 kHz and maintains a low quiescent current of 7.5 uA. It supports junction temperatures up to 150°C and is housed in a compact 22-VQFN-HR package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for high efficiency across load ranges
Wide input voltage capability suitable for 12V and 24V automotive systems
High thermal performance supporting operation up to 150°C junction temperature

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'L' indicates the fixed 5V output variant during procurement. Confirm AEC-Q100 grade requirements match the target automotive application environment. Ensure the 22-VQFN-HR package footprint aligns with the PCB design guidelines provided in the official datasheet.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V rail is required with up to 3.5A continuous current in automotive environments. Consider the 250kHz-500kHz adjustable switching frequency for EMI optimization. Compare against the LMS3655 series if higher current capacity or different topology is needed.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMS3635-Q1 family of high-efficiency synchronous buck converters. It shares architectural similarities with the LM53635-Q1 but offers optimized parameters for specific automotive voltage rails. The family provides robust protection features including overcurrent and thermal shutdown.