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UC3843BD1G AI Analysis:
Specs, Applications & Alternatives

AI summary

UC3843BD1G product

UC3843BD1G

DC DC Switching Controllers

PWM ControllerCurrent Modeonsemi

The UC3843BD1G is a fixed-frequency current mode controller optimized for off-line and DC-DC power supply applications.

Best for

  • Flyback converters
  • DC-DC power supplies

Avoid if

  • Applications requiring extremely low power consumption during standby

Check before use

  • Slope compensation requirements for duty cycles > 50%

Key specifications

Max Frequency
500 kHz
Max Duty Cycle
96%
Supply Voltage
8.5 V to 30 V

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001

Application

Power Supply

Datasheet

845556286465e3c85e866a317f505bdc.pdf

800 KB

Datasheet AI

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

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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Login required · CAD models billed separately as an add-on

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 from onsemi, designed for efficient power conversion.