LMR51420XDDCR

$0.99

Description：IC REG BUCK ADJ 2A SOT23-6
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:9e9a391b3559 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMR51420XDDCR 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 2A SOT23-6. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMR51420XDDCR

Description：IC REG BUCK ADJ 2A SOT23-6
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：2A
Frequency - Switching：500kHz
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 LMR51420XDDCR

LMR51420XDDCR

Voltage Regulators - DC DC Switching Regulators Overview

The LMR51420XDDCR is a synchronous buck converter from Texas Instruments' SIMPLE SWITCHER family. It operates with an input voltage range of 4.5 V to 36 V and delivers up to 2 A output current. The device supports adjustable output voltages from 600 mV to 36 V. Key electrical parameters include a switching frequency of 1.1 MHz, a quiescent current of 40 uA, and an operating junction temperature range of -40°C to +150°C. It utilizes a SOT-23-THIN-6 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for high efficiency in a compact footprint
Fixed internal switching frequency enables the use of small passive components
Wide input voltage range suitable for various power supply architectures
Thermal shutdown and current limit protection for system reliability

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation for industrial equipment
Power distribution networks in embedded systems
Battery-powered devices requiring efficient step-down conversion
Communication infrastructure power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'X' against the manufacturer datasheet to confirm pinout or functional variations compared to standard variants. Ensure the ordering part number matches the required package type and tape/reel specifications. Cross-reference the component marking code with official documentation to prevent counterfeit substitution during assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 2 A synchronous buck solution is required within a minimal SOT-23-THIN-6 footprint. It is appropriate for designs needing a fixed 1.1 MHz switching frequency to minimize external inductor size. Consider thermal performance constraints given the small package size and potential for high junction temperatures under heavy load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR51420 series of SIMPLE SWITCHER converters. It shares architectural similarities with other members like the LMR51420YDDCR but may differ in specific electrical characteristics or pin configurations defined by the suffix. The series targets applications demanding high power density and simplified design implementation.