LM1086IT-2.85/NOPB

$0.96

Description：IC REG LINEAR 2.85V 1.5A TO220-3
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:b14fbabf8e5c Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR 2.85V 1.5A TO220-3
Series：-
Mfr：Texas Instruments
Package：Tube
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：27V
Voltage - Output (Min/Fixed)：2.85V
Voltage - Output (Max)：-
Voltage Dropout (Max)：1.5V @ 1.5A
Current - Output：1.5A
Current - Quiescent (Iq)：5 mA
Current - Supply (Max)：10 mA
PSRR：72dB (120Hz)
Control Features：-
Protection Features：Over Current, Over Temperature, Short Circuit
Operating Temperature：-40°C ~ 125°C
Mounting Type：Through Hole
Package / Case：TO-220-3
Supplier Device Package：TO-220-3
Grade：-
Qualification：-

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LM1086IT-2.85/NOPB

Overview

The LM1086IT-2.85/NOPB is a positive low-dropout linear regulator manufactured by Texas Instruments, designed for fixed output voltage applications. It provides a nominal output of 2.85 V with a maximum continuous load current capability of 1.5 A. The device utilizes a TO-220 three-pin package suitable for through-hole mounting. It operates within an input voltage range from 2.6 V to 30 V and supports an extended junction temperature range from -40°C to +125°C. Internal circuitry includes a zener-trimmed bandgap reference, thermal shutdown, and current limiting protection mechanisms.

Feature Summary

Fixed 2.85 V output voltage configuration
Integrated thermal shutdown and current limiting protection
Compatible with standard LM317 pin-out layout

Applications

General-purpose power supply regulation
Pre-regulator stages for switching converters
Battery-powered equipment requiring stable voltage rails

Procurement Notes

Verify the specific suffix 'NOPB' indicates lead-free and RoHS compliance status as per manufacturer specifications. Confirm that the 'IT' designation corresponds to the TO-220 package variant rather than surface-mount options. Ensure the required output voltage matches the fixed 2.85 V specification, as adjustable versions require external resistors. Cross-reference the thermal resistance values against the intended PCB or heatsink design to ensure safe operation under maximum load conditions.

Selection Notes

Select this component when a fixed 2.85 V rail is required at up to 1.5 A with through-hole assembly constraints. Consider the dropout voltage characteristics relative to the minimum input voltage available in the system. Evaluate thermal management requirements based on the power dissipation calculated from the voltage differential between input and output at full load. Verify compatibility with existing board layouts due to the specific pin spacing of the TO-220 package.

Part Context

This part belongs to the LM1086 family of 1.5A low-dropout regulators from Texas Instruments. The family offers both fixed and adjustable output variants across multiple packages including D2PAK, WSON, and TO-220. The IT suffix specifically identifies the through-hole TO-220 version, distinguishing it from surface-mount alternatives like the IS (D2PAK) or IL (WSON/LLP) series within the same electrical performance class.