LM1086CSX-5.0/NOPB

Description：IC REG LINEAR 5V 1.5A TO263
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:1740c306348c 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 5V 1.5A TO263
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：25V
Voltage - Output (Min/Fixed)：5V
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：68dB (120Hz)
Control Features：-
Protection Features：Over Current, Over Temperature, Short Circuit
Operating Temperature：0°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：TO-263-4, D2PAK (3 Leads + Tab), TO-263AA
Supplier Device Package：TO-263 (DDPAK-3)
Grade：-
Qualification：-

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LM1086CSX-5.0/NOPB

Overview

The LM1086CSX-5.0/NOPB is a fixed positive low-dropout linear regulator manufactured by Texas Instruments, delivering a stable 5.0 V output with a maximum current capacity of 1.5 A. Housed in a surface-mount D2PAK (TO-263-3) package, it supports input voltages up to 30 V and operates within an extended temperature range from -40 °C to +125 °C. The device features a typical dropout voltage of 1.3 V at full load and includes internal thermal overload and short-circuit protection mechanisms for robust performance.

Feature Summary

Fixed 5.0 V output configuration
Integrated thermal and current limiting protection

Applications

General-purpose power supply regulation
Battery-powered systems requiring efficient voltage conversion
Embedded logic and peripheral power rails

Procurement Notes

Verify the specific suffix 'NOPB' confirms lead-free compliance and RoHS adherence as per manufacturer specifications. Confirm the 'CSX' designation corresponds to the correct D2PAK tape-and-reel packaging format required for automated assembly processes. Cross-reference the datasheet revision date to ensure compatibility with current design standards.

Selection Notes

Select this component when a fixed 5.0 V rail is required with high current capability in a compact surface-mount footprint. Ensure the input voltage remains within the 30 V absolute maximum rating while maintaining sufficient headroom above the dropout voltage. Evaluate thermal dissipation requirements based on the load current and ambient operating conditions.

Part Context

This part belongs to the LM1086 family of 1.5 A low-dropout regulators, which offers both adjustable and fixed output variants. It serves as a successor to older National Semiconductor designs, providing improved thermal performance and reliability in modern electronic applications requiring stable voltage regulation.