UCC3803D AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

UCC3803D product

UCC3803D

DC DC Switching Controllers

PWM ControllerBiCMOSCurrent Mode

The UCC3803D is a high-performance, low-power PWM controller optimized for current-mode power supplies, particularly those requiring low-voltage operation.

Best for

  • Battery-operated power supplies
  • DC-to-DC converters

Avoid if

  • Applications requiring high-voltage reference (5V)

Check before use

  • VCC supply voltage and UVLO thresholds

Key specifications

Reference Voltage
4 V
Max Duty Cycle
100%
Turn-on Threshold
4.1 V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
EAR99
HTSUS
8542.39.0001

Application

Power SupplyIndustrial

CAD Models

Download ECAD models for UCC3803D: 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

Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

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

Design and risk insights

Questions & answers

The UCC3803D is a BiCMOS current-mode PWM controller designed for high-speed, low-power switching power supply applications.