LD1085V50

$1.34

Description：IC REG LINEAR 5V 3A TO220
Series：-
Mfr：STMicroelectronics
Package：Tube

SKU:a1a42aff2a8a Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR 5V 3A TO220
Series：-
Mfr：STMicroelectronics
Package：Tube
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：30V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Voltage Dropout (Max)：1.5V @ 3A
Current - Output：3A
Current - Quiescent (Iq)：10 mA
Current - Supply (Max)：-
PSRR：72dB (120Hz)
Control Features：-
Protection Features：Over Current, Over Temperature
Operating Temperature：-40°C ~ 125°C
Mounting Type：Through Hole
Package / Case：TO-220-3
Supplier Device Package：TO-220
Grade：-
Qualification：-

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LD1085V50

Overview

The LD1085V50 is a positive fixed-output low-dropout linear voltage regulator manufactured by STMicroelectronics. It provides a stable 5 V output with a maximum current capacity of 3 A. The device operates within an input voltage range of 3.4 V to 30 V and features a typical dropout voltage of 1.3 V, reaching a maximum of 1.5 V at full load. It includes internal protections against overcurrent and thermal overload. The component is housed in a TO-220-3 through-hole package and supports operation across a temperature range of -40 °C to +125 °C.

Feature Summary

Integrated thermal shutdown and current limiting protection mechanisms
High ripple rejection performance for noise-sensitive applications
Fixed 5 V output configuration for simplified circuit design

Applications

General-purpose power supply regulation
Battery-powered equipment voltage conditioning
Embedded system power distribution

Procurement Notes

Verify the specific ordering suffix and package variant when sourcing, as manufacturers may update packaging or pin configurations without changing the base part number. Confirm RoHS compliance status and lead times directly with authorized distributors prior to procurement. Ensure the selected component matches the required thermal management specifications for the intended operating environment.

Selection Notes

Select this component when a fixed 5 V rail is required with up to 3 A load capability. The TO-220-3 package facilitates through-hole mounting and heatsinking. Consider the input-to-output voltage differential to manage power dissipation and ensure adequate thermal design. Verify that the application does not require adjustable output voltages or lower quiescent current profiles.

Part Context

This device belongs to the LD1085 series of high-current low-dropout regulators. The series is designed for applications requiring efficient voltage regulation with minimal heat generation compared to standard linear regulators. The LD1085V50 specifically denotes the 5 V fixed output variant within this family.