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LP3981-33B5F AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LP3981-33B5F product

LP3981-33B5F

Amplifiers

LDO3.3VLow Noise

The LP3981-33B5F is a 3.3V fixed-output, 300mA low-dropout (LDO) linear regulator designed for noise-sensitive RF and wireless applications.

Best for

  • RF and wireless devices
  • Battery-powered systems

Avoid if

  • Applications requiring >300mA output
  • Input voltage >6.5V

Check before use

  • Capacitor ESR requirements
  • Thermal dissipation

Key specifications

Output Voltage
3.3 V
Max Current
300 mA
Dropout
220 mV

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Portable Electronics

Datasheet

24df203459466854ff2666a231055ddf_2006190012_LOWPOWER-LP3981-33B5F_C517240.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LP3981-33B5F: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a high-performance, ultra-low noise CMOS LDO regulator providing a fixed 3.3V output with up to 300mA current capability.