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XL3843 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

XL3843 product

XL3843

PMIC - Voltage Regulators - DC DC Switching Controllers

PWM ControllerCurrent ModeDC-DC

The XL3843 is a high-performance current-mode PWM controller optimized for off-line and DC-DC power supply applications.

Best for

  • Off-line power supplies
  • DC-DC converters

Avoid if

  • Applications requiring different UVLO thresholds (e.g., 3842/3844 variants)

Check before use

  • PCB layout for high-speed switching

Key specifications

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

Compliance & Environment

RoHS
-
REACH
-
MSL
MSL3
ECCN
-
HTSUS
-

Application

Power Management

Datasheet

4d9f4cda65fc41cd545f1beb098822e2.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for XL3843: 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

The XL3843 is a fixed-frequency current-mode PWM controller IC designed for efficient power conversion.