LMR51403XDBVR

$0.34

Description：SYNCHRONOUS BUCK CONVERTER
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:431340273213 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

LMR51403XDBVR is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is SYNCHRONOUS BUCK CONVERTER. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMR51403XDBVR

Description：SYNCHRONOUS BUCK CONVERTER
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4V
Voltage - Input (Max)：42V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：28V
Current - Output：400mA
Frequency - Switching：400kHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：SOT-23-6
Supplier Device Package：SOT-23-6
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMR51403XDBVR

LMR51403XDBVR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR51403XDBVR is a synchronous buck converter from the Texas Instruments LMR51403 series. It operates with an input voltage range of 4 V to 42 V and provides a maximum output current of 300 mA. The device supports adjustable switching frequencies between 400 kHz and 1.1 MHz, enabling optimization for efficiency or component size. It features a shutdown function and low quiescent current of 420 uA. The component is housed in a SOT-23-6 package and is rated for operation within a temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for high efficiency
Adjustable switching frequency capability
Shutdown control functionality

Voltage Regulators - DC DC Switching Regulators Applications

Industrial point-of-load regulation
Battery-powered equipment power management
General-purpose DC/DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'X' against official manufacturer documentation to confirm pinout compatibility and electrical specifications relative to standard variants. Ensure the selected package matches the target PCB footprint requirements. Confirm RoHS compliance status through the latest datasheet before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for moderate current loads up to 300 mA. The wide input voltage range suits applications powered by single-cell lithium batteries or higher bus voltages. Consider the thermal performance in the SOT-23-6 package for high duty cycle operations.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR51403 family of SIMPLE SWITCHER converters. It shares architectural similarities with other members like the LMR51406 and LMR51603, differing primarily in current rating and maximum input voltage capabilities. The family targets space-constrained designs requiring integrated power switches.