LMR51430YDDCR

$1.10

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

SKU:9926911aaae0 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMR51430YDDCR 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 LMR51430YDDCR

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 LMR51430YDDCR

LMR51430YDDCR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR51430YDDCR 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, enabling the use of small inductors. It features a minimum switching on time of 70 ns and maintains operation within a junction temperature range of -40°C to 150°C. The unit utilizes a SOT-23 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for high efficiency
Internal compensation simplifies design requirements
Configured for rugged industrial applications with wide input range
Includes internal short circuit protection with hiccup mode

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 switching frequency variant (500 kHz or 1.1 MHz) required for your application, as this parameter is determined by the suffix configuration. Confirm that the SOT-23 package dimensions meet your PCB layout constraints. Ensure the selected component aligns with functional safety documentation requirements if applicable to your system design standards.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for converting unregulated sources in industrial environments. It is suitable for designs requiring high efficiency at light loads via PFM operation or constant frequency via forced PWM. Consider the 70 ns minimum on time for compatibility with high step-down ratio applications.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SIMPLE SWITCHER family, designed for ease of use and ruggedness. It serves as a pin-to-pin compatible replacement for older TPS54202 and TPS54302 devices, facilitating upgrades in existing designs without significant board modifications.