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UC3844ADTR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

UC3844ADTR product

UC3844ADTR

DC DC Switching Controllers

PWM ControllerCurrent ModeTI

The UC3844ADTR is a high-performance, current-mode PWM controller optimized for offline and DC-to-DC converters, featuring a 50% maximum duty cycle and 500kHz operation.

Best for

  • Offline power supplies
  • DC/DC converters
  • Industrial power modules

Avoid if

  • Applications requiring >50% duty cycle (use UC3842A/UC3843A instead).

Check before use

  • UVLO thresholds for your specific input voltage range.

Key specifications

Max Duty Cycle
50%
Max Frequency
500 kHz
Output Current
1 A

Compliance & Environment

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

Application

Switch Mode Power SuppliesIndustrial Power

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for UC3844ADTR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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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
Verified KiCad 8 symbol, footprint, and 3D model
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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 an improved, pin-compatible version of the UC384x series PWM controller, designed for high-frequency switching power supplies.