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UC3843AD8TR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

UC3843AD8TR product

UC3843AD8TR

DC DC Switching Controllers

PWM ControllerCurrent ModeTIPower Management

The UC3843AD8TR is a high-performance, current-mode PWM controller from Texas Instruments, optimized for DC-to-DC and off-line power supply applications.

Best for

  • DC/DC converters
  • Switch-mode power supplies (SMPS)
  • Industrial power modules

Avoid if

  • Applications requiring extremely low power consumption during standby beyond what this controller offers.

Check before use

  • Ensure the gate drive current requirements are within the 1A limit.
  • Verify the UVLO threshold is appropriate for your input voltage source.

Key specifications

UVLO ON
8.4 V
Max Frequency
500 kHz
Max Duty Cycle
100%
Output Current
1 A

Compliance & Environment

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

Application

Power SuppliesIndustrial

Datasheet

FEST-S-A0008532976-1.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for UC3843AD8TR: 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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Where to Buy

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Alternative components

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

Design and risk insights

Questions & answers

It is a fixed-frequency, current-mode PWM controller designed for high-speed switching power supplies, featuring a 1A totem-pole output and low start-up current.