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xl34063

Public Made by Adom

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XINLUDA DC-DC Converters, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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XL34063

XINLUDA · DC-DC Converters · SOIC-8

XL34063 from XINLUDA, in a SOIC-8. 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 Switch Collector bidirectional High-current internal output switch collector input. Rated to 40 V and up to 1.5 A peak switch current; typically tied to VIN (step-down) or the inductor node.
2 Switch Emitter bidirectional High-current internal output switch emitter output. Rated to 40 V and 1.5 A peak; connects to the inductor/rectifier node in the switching regulator loop.
3 Timing Capacitor passive Attach a timing capacitor CT from this pin to GND to set the oscillator switching frequency (up to 100 kHz). CT ≈ 4.0e-5 × ton per the design formula.
4 GND power_in Device ground reference for the oscillator, comparator, reference, and control logic.
5 Comparator Inverting Input input Inverting input of the error comparator; the non-inverting input is tied internally to the 1.25 V reference. Attach a resistor divider from Vout to create the feedback loop, where
6 VCC power_in Logic supply voltage input, 3.0 V to 40 V. Tie to VIN. Standby supply current is typically <4.0 mA.
7 IPK Sense input Current-limit sense input. A sense resistor Rsc between VCC and this pin sets the peak switch current; the internal current-limit sense voltage is typically 300 mV (250-350 mV). Rsc ≈ 0.3 / Ipk(switch).
8 Driver Collector bidirectional Darlington driver transistor collector input, rated to 40 V with 100 mA max driver current. Typically connected to VCC (directly for Darlington operation, or through a base-drive resistor for a non-Darlington/external-boost configuration).

Key specifications

Parameter Value
Manufacturer XINLUDA
Package SOIC-8
Category PMIC
Pins 8

Ordering variants

  • XL34063
  • XL34063XL33063
  • XL34063XD34063
  • XL34063XD33063

CAD (KiCad official)

  • Symbol: XL34063
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: xl34063-etched.step / xl34063-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xl34063.step / xl34063.glb are the bare package body.

Provenance

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

  • Datasheet: XINLUDA datasheet (None pp, sha256 7b507128af616de9, retrieved 2026-08-17, tier: lcsc)
  • 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

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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