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UC2843B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

UC2843B product

UC2843B

Integrated Circuits (ICs)

PWM ControllerCurrent ModeSOP-8

The UC2843B is a fixed-frequency, current-mode PWM controller optimized for efficient power conversion in off-line and DC-to-DC applications.

Best for

  • DC-DC converters
  • Off-line power supplies

Avoid if

  • Applications requiring very low power consumption during standby

Check before use

  • Ensure the 8.4V start threshold is compatible with your input voltage source.

Key specifications

Max Frequency
500 kHz
Max Duty Cycle
100%
Start Threshold
8.4 V

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power Management

Datasheet

4dcdec861b5e6a8fc367de7e010bfc2a_2403211035_UMW-Youtai-Semiconductor-Co---Ltd--UC2843B_C2995532.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for UC2843B: 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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Alternative components

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

Design and risk insights

Questions & answers

It is a current-mode PWM controller designed to drive power MOSFETs in switching power supplies.