UC3843AN(XBLW) AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

UC3843AN(XBLW) product

UC3843AN(XBLW)

PMIC - Voltage Regulators - DC DC Switching Controllers

PWM ControllerDC-DCPower Management

The UC3843AN is a standard current-mode PWM controller for DC-DC and off-line power supplies, offering reliable switching control with integrated protection features.

Best for

  • Off-line power supplies
  • DC-DC converters

Avoid if

  • Applications requiring extremely low quiescent current or advanced digital control features.

Check before use

  • Ensure the input voltage and current sense resistor values are calculated according to the target power output.

Key specifications

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

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power Management

CAD Models

Download ECAD models for UC3843AN(XBLW): 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 fixed-frequency, current-mode PWM controller designed for power supply applications, featuring a high-gain error amplifier and internal undervoltage lockout.