LP2983AIM5-1.0 Equivalent & Substitute Parts

Part Overview

The LP2983AIM5-1.0 is a linear voltage regulator IC from Texas Instruments designed for positive fixed 1V output applications with 150mA current capacity in a SOT-23-5 surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The device provides integrated protection features including over-current, over-temperature, and short-circuit protection, with an enable control feature for power management applications.

Substiute Parts

LP2983AIM5-1.0
Texas InstrumentsIn Stock: 1091LP2983AIM5-1.0 Datasheet
LP2983AIM5-1.0
Current Part
LP2983AIM5X-1.0/NOPB
Texas InstrumentsIn Stock: 2423LP2983AIM5X-1.0/NOPB Datasheet
LP2983AIM5X-1.0/NOPB
Parametric Equivalent
LP2983IM5X-1.0/NOPB
Texas InstrumentsIn Stock: 723LP2983IM5X-1.0/NOPB Datasheet
LP2983IM5X-1.0/NOPB
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Texas Instruments
Category Power Management (PMIC)
Output Configuration Positive
Output Type Fixed
Voltage - Output (Min/Fixed) 1V
Current - Output 150mA
Voltage - Input (Max) 16V
Current - Quiescent (Iq) 95 µA
PSRR 65dB (1kHz)
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
Mounting Type Surface Mount
Control Features Enable

Substitute Part Grouping Explanation

Substitute parts for the LP2983AIM5-1.0 are qualified based on strict electrical and mechanical parameter matching. The substitution criteria are:

  • Output voltage specification: 1V fixed output
  • Output current capacity: 150mA
  • Input voltage maximum rating: 16V
  • Quiescent current: 95 µA
  • PSRR performance: 65dB (1kHz)
  • Protection features: Over-current, over-temperature, and short-circuit protection
  • Control features: Enable functionality
  • Operating temperature range: -40°C ~ 125°C
  • Package type: SOT-23-5 (SC-74A, SOT-753)
  • Mounting type: Surface mount

All substitute parts listed maintain identical electrical specifications and mechanical compatibility with the main part number.

Parameter Comparison

Parameter LP2983AIM5-1.0 LP2983AIM5X-1.0/NOPB LP2983IM5X-1.0/NOPB
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Obsolete Active Obsolete
Output Voltage (Fixed) 1V 1V 1V
Output Current 150mA 150mA 150mA
Input Voltage (Max) 16V 16V 16V
Quiescent Current 95 µA 95 µA 95 µA
PSRR 65dB (1kHz) 65dB (1kHz) 65dB (1kHz)
Protection Features Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Package / Case SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753
Supplier Device Package SOT-23-5 SOT-23-5 SOT-23-5
Mounting Type Surface Mount Surface Mount Surface Mount
RoHS Status RoHS non-compliant ROHS3 Compliant ROHS3 Compliant
Packaging Format Bulk Tape & Reel (TR) Tape & Reel (TR)

Engineering Selection Recommendations

For new designs and procurement, LP2983AIM5X-1.0/NOPB is the primary recommended substitute. This part maintains full electrical and mechanical compatibility with the obsolete LP2983AIM5-1.0 while offering active product status and ROHS3 compliance. The tape and reel packaging format supports automated assembly processes.

LP2983IM5X-1.0/NOPB provides an alternative substitute with identical electrical specifications and ROHS3 compliance. Although classified as obsolete, this part offers tape and reel packaging and maintains full parametric equivalence.

Selection between substitute parts should be based on product availability, packaging requirements, and compliance certifications applicable to the end application.

Frequently Asked Questions (FAQ)

Q: Can LP2983AIM5X-1.0/NOPB be used as a direct replacement for LP2983AIM5-1.0?

A: Yes. Both parts share identical electrical specifications including 1V fixed output, 150mA output current, 16V maximum input voltage, 95 µA quiescent current, and 65dB PSRR. The SOT-23-5 package and pin configuration are identical, enabling direct PCB substitution.

Q: What is the difference between LP2983AIM5-1.0 and LP2983AIM5X-1.0/NOPB?

A: The primary differences are product status and compliance. LP2983AIM5X-1.0/NOPB is active and ROHS3 compliant, while LP2983AIM5-1.0 is obsolete and RoHS non-compliant. Electrical and mechanical parameters are identical.

Q: Does packaging format affect electrical performance?

A: No. Tape and reel (TR) packaging and bulk packaging contain identical die and electrical characteristics. Packaging format affects only procurement, handling, and assembly processes.

Q: Are all three parts pin-compatible?

A: Yes. All three parts use the SOT-23-5 package with identical pin assignments and electrical function mapping.

Q: Which substitute part should be selected for new production?

A: LP2983AIM5X-1.0/NOPB is recommended for new designs due to active product status and ROHS3 compliance certification.

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