LM1086IT-1.8/NOPB

Description：IC REG LINEAR 1.8V 1.5A TO220-3
Series：-
Mfr：Texas Instruments
Package：Tube

SKU:d915369def50 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 1.8V 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)：1.8V
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-1.8/NOPB

Overview

The LM1086IT-1.8/NOPB is a positive low-dropout linear regulator manufactured by Texas Instruments, designed to deliver up to 1.5 A of output current. It provides a fixed regulated output voltage of 1.8 V and operates with an input voltage range from 2.6 V to 30 V. The device utilizes a TO-220 three-pin through-hole package and supports an operating temperature range from -40 °C to +125 °C. Key electrical characteristics include a maximum dropout voltage of 1.5 V at full load and a typical quiescent current of 5 mA.

Feature Summary

Provides stable fixed output voltage regulation for power supply applications
Capable of delivering high continuous output current up to 1.5 A
Operates effectively with minimal input-to-output voltage differential
Includes internal thermal overload and short-circuit protection mechanisms

Applications

Point-of-load regulation in embedded systems
Battery-powered equipment requiring efficient voltage step-down
General-purpose power supply circuits
Industrial control system voltage conditioning

Procurement Notes

Verify the specific suffix IT-1.8 against the manufacturer datasheet to confirm the fixed 1.8 V output and TO-220 package configuration. Ensure compatibility with existing thermal management solutions, as the TO-220 package requires adequate heat dissipation for sustained 1.5 A loads. Confirm RoHS compliance status via official documentation before integration into environmentally regulated assemblies.

Selection Notes

Select this component when a robust through-hole solution is required for high-current regulation. The TO-220 package offers superior thermal performance compared to surface-mount alternatives. Verify that the input voltage source remains within the 30 V absolute maximum rating. Consider the 1.5 V dropout characteristic to ensure sufficient headroom between input and output voltages under all operating conditions.

Part Context

This part belongs to the LM1086 family of 1.5 A low-dropout regulators produced by Texas Instruments. The series includes both adjustable and fixed voltage variants across multiple packages such as D2PAK and WSON. The LM1086IT variant specifically denotes the through-hole TO-220 construction, distinguishing it from surface-mount options while maintaining identical core regulatory functionality.