LMR51430YFDDCR

$1.10

Description：IC REG BUCK ADJ 3A SOT23
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:65e4385cdc36 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMR51430YFDDCR 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 3A SOT23. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMR51430YFDDCR

Description：IC REG BUCK ADJ 3A SOT23
Series：SIMPLE SWITCHER®
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)：4.5V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：0.6V
Voltage - Output (Max)：34.2V
Current - Output：3A
Frequency - Switching：1.1MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：SOT-23-6 Thin, TSOT-23-6
Supplier Device Package：SOT-23-THIN
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMR51430YFDDCR

LMR51430YFDDCR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR51430YFDDCR is a SIMPLE SWITCHER synchronous buck converter from Texas Instruments. It supports an input voltage range of 4.5 V to 36 V and delivers up to 3 A of continuous output current. The device operates at fixed switching frequencies of 500 kHz or 1.1 MHz, with a maximum duty cycle of 98%. It features a junction temperature range of -40°C to 150°C and includes internal short circuit protection with hiccup mode. The component utilizes a SOT-23 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for high efficiency
Internal compensation simplifies design requirements
Capable of starting up with prebiased outputs
Includes precision enable functionality

Voltage Regulators - DC DC Switching Regulators Applications

Appliances
Building automation
Motor drives
General purpose wide VIN power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm the selected switching frequency option. Ensure the ordering part number matches the required functional variant. Confirm package details and environmental ratings align with system specifications before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a compact solution with wide input voltage tolerance. Consider the available switching frequency options to balance inductor size against electromagnetic interference requirements. Verify compatibility with existing control logic due to the precision enable feature.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SIMPLE SWITCHER family, designed for ease of use in industrial environments. It offers pin-to-pin compatibility with legacy TPS54202 and TPS54302 devices, facilitating direct upgrades in existing designs without layout modifications.