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UC3843BD1 AI Analysis:
Specs, Applications & Alternatives

AI summary

UC3843BD1 product

UC3843BD1

PMIC - Voltage Regulators - DC DC Switching Controllers

PWM ControllerCurrent ModeSTMicroelectronics

The UC3843BD1 is a high-performance current mode PWM controller optimized for DC-DC and off-line power supply applications.

Best for

  • DC-DC converters
  • Off-line power supplies

Avoid if

  • Applications requiring very low power consumption during standby

Check before use

  • UVLO thresholds for your specific supply voltage

Key specifications

Frequency
500 kHz
Max Duty Cycle
100 %
UVLO On
8.5 V

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power Supplies

Datasheet

83dd08179738b5787a1ddd75fb5c02ef.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
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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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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 IC from STMicroelectronics, designed for efficient power supply control.