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XL4201 Step Down DC to DC Buck IC


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  • Stock: 50

    Availability: InStock priceValidUntil: 2026-11-09

  • Brand: XL Semi
  • SKU: 1672 | DAB689

Availability: InStock priceValidUntil: 2026-11-09

  • Rs. 28.31 (inc GST)
    Rs.23.99 + GST

    Qty :

GST Invoice: Available for all purchases; eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need a larger quantity or item not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

XL4201 DC to DC Step Down Buck Converter IC 

XL4201 3 Ampere 150KHz 40 Volts Buck DC/DC Converter With Constant Current Loop

The XL4201 is a 150KHz fixed frequency PWM buck (step-down) DC/DC Converter, capable of driving a 2.5 Ampere load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator.

The PWM control circuit in XL4201 IC is able to adjust the duty ratio linearly from 0 to 100%. An enable function, an over current protection function is built inside. An internal compensation block is built into minimize external component count. 

DNA solutions, Nashik has various types of DC to DC converter IC. Check out our complete collection of Voltage Regulator and Step up and Step Down IC's.

If you are in Nashik you can buy this Electronic Component at our local shop at New CBS, Nashik or you can place order online and get it delivered at your doorstep anywhere in India.

Features of XL4201 Step Down converter IC

  • Wide 8 Volts to 40 Volts Input Voltage Range
  • Output Adjustable from 1.25 Volts to 37 Volts
  • Minimum Drop Out 0.3V
  • Fixed 150KHz Switching Frequency
  • Maximum 3 Ampere Switching Current
  • Internal Optimize Power MOSFET
  • Excellent line and load regulation
  • With output constant current loop
  • Built in thermal shutdown function
  • Built in current limit function
  • Built in input over voltage protection
  • Recommend output power less than 13 Watts
  • SOP8-EP (Exposed PAD) package

Applications of XL4201 Step Down DC to DC Buck IC

  • Car Charger
  • Battery Charger
  • LCD Monitor and LCD TV
  • Portable instrument power supply
  • Telecom / Networking Equipment
  • Buck constant current driver
  • Monitor LED Back lighting
  • General purpose LED lighting 

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Package Includes

  • 1 x XL4201 Step Down DC to DC Buck IC

Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

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Frequently Asked Questions

Do you provide a GST bills?
Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.
What is your return / replacement policy?
Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.
Where are you located / where do you ship from?
We’re based in Nashik, Maharashtra. All orders are dispatched from Nashik.
I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?
You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.
Can you share a proforma invoice / quotation before I pay?
Yes — we can share a quotation/proforma invoice. Send: part number(s), quantity, your GSTIN (if applicable), billing name/address, and delivery PIN code.
If I order the same parts again later, will they match?
We try to maintain consistency, but supply can change. If matching lot/brand matters, tell us in advance and we’ll advise what’s available.
View all FAQs →

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