ProjectsPricingInsights

LD3985M33R AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

LD3985M33R product

LD3985M33R

Voltage Regulators - Linear

LDOVoltage Regulator3.3VLow Noise

The LD3985M33R is a high-performance, low-noise 3.3V linear regulator optimized for battery-powered applications.

Best for

  • Battery-powered wireless devices
  • Portable electronics

Avoid if

  • High-current applications exceeding 150 mA

Check before use

  • Ensure the input voltage remains within the 2.5V to 6V range

Key specifications

Output Voltage
3.3 V
Max Output Current
150 mA
Dropout Voltage
60 mV

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

PowerConsumer

Datasheet

LD3985M33R-STMicroelectronics-datasheet-104525728.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for LD3985M33R: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

It is a BiCMOS linear voltage regulator from STMicroelectronics, providing a fixed 3.3V output with ultra-low dropout and low noise characteristics.