LMR43610RS3QRPERQ1

$2.59

Description：IC REG BUCK ADJ/3.3V 1A 9VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:0592a514fb32 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMR43610RS3QRPERQ1 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/3.3V 1A 9VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMR43610RS3QRPERQ1

Description：IC REG BUCK ADJ/3.3V 1A 9VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable (Fixed)
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1V (3.3V)
Voltage - Output (Max)：34.2V
Current - Output：1A
Frequency - Switching：200kHz ~ 2.2MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：9-PowerVFQFN
Supplier Device Package：9-VQFN-HR (2x2)
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMR43610RS3QRPERQ1

LMR43610RS3QRPERQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR43610RS3QRPERQ1 is an automotive-grade synchronous step-down DC-DC converter from Texas Instruments. It operates with an input voltage range of 3 V to 36 V and delivers a fixed 3.3 V output at up to 1 A. The device features a switching frequency adjustable between 200 kHz and 2.2 MHz, with a typical quiescent current of 250 nA. It utilizes a 9-pin VQFN-HR package and supports operation temperatures from -40°C to +150°C TJ.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
Integrated synchronous rectification provides high efficiency across the load and line ranges.
Adjustable switching frequency allows optimization for specific electromagnetic interference requirements.

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix RS3 indicates the fixed 3.3 V output variant. Confirm Q1 designation ensures AEC-Q100 compliance. Check moisture sensitivity level handling requirements during assembly. Validate package marking against official datasheet silkscreen specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 3.3 V rail is required for automotive applications. Compare output current capabilities against other family members like LMR43606 or LMR43620 if higher or lower loads are needed. Ensure thermal management aligns with the VQFN-HR package limitations.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LMR43610-Q1 series of low EMI buck converters. It shares architectural similarities with the LMR43606-Q1 and LMR43620-Q1 but differs in output current ratings and fixed voltage options within the same compact footprint family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LMR43610RS3RPER is the non-automotive equivalent. Verify that automotive grade requirements are not mandatory before substituting with non-Q1 variants.