LM1086CSX-2.5/NOPB

$0.96

Description：IC REG LINEAR 2.5V 1.5A TO263
Series：-
Mfr：National Semiconductor
Package：Bulk

SKU:12964b3d9487 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: National Semiconductor

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Product introduction

Product Detailed Parameters

Description：IC REG LINEAR 2.5V 1.5A TO263
Series：-
Mfr：National Semiconductor
Package：Bulk
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：27V
Voltage - Output (Min/Fixed)：2.5V
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：72dB (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-2.5/NOPB

Overview

The LM1086CSX-2.5/NOPB is a fixed positive low-dropout linear voltage regulator manufactured by Texas Instruments, originally part of the National Semiconductor portfolio. It provides a fixed output voltage of 2.5 V with a maximum continuous output current of 1.5 A. The device operates within an input voltage range from 2.6 V to 30 V and features a typical dropout voltage of 1.3 V at full load. It is housed in a surface-mount D2PAK (TO-263) package and supports operation over an extended temperature range from -40°C to +125°C.

Feature Summary

Fixed positive output voltage configuration for simplified circuit design
Low dropout voltage capability enabling efficient power regulation
Integrated thermal overload and short-circuit protection mechanisms

Applications

Battery-powered systems requiring stable voltage rails
Post-regulation stages for switching power supplies
Portable equipment with limited input voltage headroom

Procurement Notes

Verify the manufacturer designation on the datasheet, as the component is currently produced by Texas Instruments following their acquisition of National Semiconductor. Confirm that the suffix /NOPB indicates lead-free and RoHS-compliant construction. Ensure the ordering part number matches the specific fixed voltage variant required for the application design.

Selection Notes

Select this component when a fixed 2.5 V rail is needed with up to 1.5 A capacity. The TO-263 package offers adequate thermal performance for moderate power dissipation without excessive heatsinking. Verify that the input voltage remains within the specified 30 V maximum limit under all operating conditions.

Part Context

This regulator belongs to the LM1086 family of adjustable and fixed LDOs known for high current capability. The CSX suffix denotes the surface-mount D2PAK package variant. The /NOPB suffix signifies that the device is manufactured without lead-based materials and complies with environmental directives.