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docs xl78l05a: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 10d ago
README.md xl78l05a: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 16d ago
xl78l05a-etched.fit.json xl78l05a: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
xl78l05a-etched.glb xl78l05a: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
xl78l05a-etched.step xl78l05a: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
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XL78L05A

XINLUDA · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOP-8

XL78L05A from XINLUDA, in a SOP-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 VOUT power_out Regulated +5.0 V output pin (4.75 V to 5.25 V over line/load). Delivers up to 100 mA; a 0.1 µF output bypass capacitor is recommended to improve transient response.
2 GND power_in Ground reference. Common ground between input and output is required. Multiple GND pins are tied together internally and also aid in heat dissipation through the leads.
3 GND power_in Ground reference (bussed with pins 2, 6, 7). Provides return path for quiescent and load current.
4 NC unconnected No internal connection. Leave floating or tie to GND per board convention.
5 NC unconnected No internal connection. Leave floating or tie to GND per board convention.
6 GND power_in Ground reference (bussed with pins 2, 3, 7).
7 GND power_in Ground reference (bussed with pins 2, 3, 6).
8 VIN power_in Unregulated input supply pin. Recommended operating range 7.0 V to 20 V (absolute max 30 Vdc); must remain ~2 V above VOUT for regulation. A 0.33 µF input bypass capacitor is recommended when placed away from the supply filter.

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • XL78L05A
  • XL78L05AXT78L05

CAD (KiCad official)

  • Symbol: XL78L05A
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: xl78l05a-etched.step / xl78l05a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); xl78l05a.step / xl78l05a.glb are the bare package body.

Provenance

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

  • Datasheet: XINLUDA datasheet (9 pp, sha256 4e962ee571afc5f3, 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