LD1085CDT-R

$0.86

Description：IC REG LINEAR POS ADJ 3A DPAK
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:4c5b2143a581 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR POS ADJ 3A DPAK
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)
Output Configuration：Positive
Output Type：Adjustable
Number of Regulators：1
Voltage - Input (Max)：30V
Voltage - Output (Min/Fixed)：1.25V
Voltage - Output (Max)：28.5V
Voltage Dropout (Max)：1.5V @ 3A
Current - Output：3A
Current - Quiescent (Iq)：10 mA
Current - Supply (Max)：-
PSRR：75dB (120Hz)
Control Features：-
Protection Features：Over Current, Over Temperature
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
Supplier Device Package：DPAK
Grade：-
Qualification：-

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LD1085CDT-R

Overview

The LD1085CDT-R is a positive fixed linear low-dropout voltage regulator manufactured by STMicroelectronics. It provides a maximum output current of 3A with a fixed output voltage of 2.5V. The device supports an input voltage range up to 30V and features a maximum dropout voltage of 1.5V at full load. It incorporates internal protection mechanisms including overcurrent limiting and thermal shutdown. The component operates within a temperature range of -40°C to 125°C and is housed in a DPAK surface-mount package.

Feature Summary

Provides stable regulated power delivery for electronic circuits requiring a fixed 2.5V supply rail.
Integrates comprehensive safety protections against excessive current draw and overheating conditions.

Applications

General-purpose power management in embedded systems
Biasing stages in portable battery-operated devices
Pre-regulation for switching converter inputs

Procurement Notes

Verify the specific suffix 'DT' indicates the DPAK surface-mount package configuration. Confirm the 'R' designation corresponds to tape-and-reel packaging if required for automated assembly processes. Ensure compatibility with existing PCB footprints designed for TO-252-3 or SC-63 packages before finalizing procurement orders.

Selection Notes

Select this component when a fixed 2.5V output is required with high current capability up to 3A. Consider the DPAK package for applications needing efficient heat dissipation via the exposed tab. Verify that the input voltage remains within the 30V absolute maximum rating under all operating conditions.

Part Context

This part belongs to the LD1085 series of three-terminal positive adjustable and fixed LDO regulators. The series is characterized by high current handling and robust protection features, commonly used in consumer electronics and industrial control applications where reliable linear regulation is necessary.