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XL4015E1

Public Made by Adom

by adom

XLSEMI DC-DC Converters, TO-263-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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XL4015E1

XLSEMI · DC-DC Converters · TO-263-5

XL4015E1 from XLSEMI, in a TO-263-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GND power_in Ground pin. Layout-sensitive: should be placed outside of the Schottky-diode-to-output-capacitor ground path to prevent switching current spikes from inducing voltage noise into the device.
2 FB input Feedback pin. Senses the output voltage through an external resistor divider and regulates it against the internal 1.25V reference. Output voltage set by VOUT = 1.25 * (1 + R2/R1).
3 SW power_out Power switch output pin. Switch node connected to the drain of the internal power PMOS; supplies the switching waveform to the external inductor and freewheeling Schottky diode. Absolute max -0.3V to VIN. The TO263-5L metal tab is also electrically SW.
4 VC passive Internal voltage regulator bypass capacitor pin. Connect a 1 uF (105) ceramic capacitor from VC to VIN to bypass the internal regulator.
5 VIN power_in Supply voltage input pin. Operates from 8V to 36V DC (absolute max 40V). Bypass VIN to GND with a suitably large capacitor (e.g. 220 uF/50V) to eliminate input noise.

Key specifications

Parameter Value
Manufacturer XLSEMI
Package TO-263-5
Category PMIC
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • XL4015E1

CAD (KiCad official)

  • Symbol: XL4015E1
  • Footprint: Package_TO_SOT_SMD:TO-263-5_TabPin6
  • 3D model: TO-263-5 (KiCad packages3D, STEP)
  • 3D model files: xl4015e1-etched.step / xl4015e1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xl4015e1.step / xl4015e1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: XLSEMI datasheet (10 pp, sha256 3c15d21803d94767, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF