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XL4201E1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

XL4201E1 product

XL4201E1

PMIC - Voltage Regulators - DC DC Switching Regulators

Buck ConverterDC-DCConstant CurrentLED Driver

The XL4201E1 is a versatile 3A buck DC/DC converter with an integrated constant current loop, ideal for LED drivers and battery charging applications.

Best for

  • LED constant current drivers
  • Battery charging circuits
  • Automotive power supplies

Avoid if

  • Applications requiring very high switching frequencies (>150KHz)
  • Designs with extremely limited PCB space for external components

Check before use

  • Ensure the thermal design of the SOP8-EP package is sufficient for your load current.

Key specifications

Input Voltage
8V to 40V
Output Voltage
1.25V to 37V
Max Current
3A
Frequency
150KHz

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementLED Lighting

Datasheet

db294219f1c2be0596b49dd1ffb6fd49_1809291220_XLSEMI-XL4201E1_C73023.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for XL4201E1: 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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Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

The XL4201E1 is a 150KHz fixed-frequency PWM buck converter designed for step-down applications, featuring an integrated constant current loop.