LP3981S-33B5F Datasheet, Specs, Alternatives & ECAD | Lowpower Semiconductor Co., Ltd. | PartGenie

AI summary

LP3981S-33B5F product

The LP3981S-33B5F is a 300mA fixed 3.3V LDO regulator in a SOT-23-5 package, optimized for battery-powered applications.

Best for

Battery-powered portable devices
Low-noise power rails

Avoid if

Applications requiring output currents exceeding 500mA peak

Check before use

Thermal dissipation limits in high-ambient temperature environments

Key specifications

Output Voltage: 3.3V
Max Output Current: 300mA
Dropout Voltage: 260mV

Compliance & Environment

RoHS: Yes
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Portable ElectronicsPower Management

Datasheet

20f9409dd50f47dac9147bfe4efd50f9_2108301630_LOWPOWER-LP3981S-33B5F_C2890367.pdf

800 KB

CAD Models

Download ECAD models for LP3981S-33B5F: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

PCB Footprint

Land pattern for PCB layout

3D Model

STEP file for mechanical design

KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

Generate library

Alternative components

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

Design and risk insights

Questions & answers

It is a low-dropout (LDO) linear regulator with a fixed 3.3V output, capable of delivering up to 300mA of current.