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UC3842AD8TR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

UC3842AD8TR product

UC3842AD8TR

DC DC Switching Controllers

PWM ControllerCurrent ModeSMPSTI

The UC3842AD8TR is a high-performance, fixed-frequency, current-mode PWM controller from Texas Instruments, optimized for off-line and DC-DC power supply designs.

Best for

  • Flyback converters
  • Off-line power supplies
  • DC-DC power modules

Avoid if

  • Applications requiring extremely low power consumption during standby.
  • Designs needing integrated high-voltage startup circuitry.

Check before use

  • Timing resistor (RT) and capacitor (CT) values for frequency.
  • Gate driver resistor selection.

Key specifications

Control Mode
Current Mode
Max Frequency
500 kHz
UVLO ON
16 V
Max Duty Cycle
100%

Compliance & Environment

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

Application

Switch Mode Power SuppliesDC-DC ConvertersIndustrial PSU

Datasheet

Texas-Instruments-company-64.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for UC3842AD8TR: 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
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 8-pin SOIC current-mode PWM controller designed for efficient power conversion in off-line and DC-DC applications, supporting frequencies up to 500 kHz.