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sl78l09

Public Made by Adom

by adom

Slkor SLKORMICRO Elec Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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README

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SL78L09

Slkor SLKORMICRO Elec · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

SL78L09 from Slkor SLKORMICRO Elec, in a SOT-89-3. 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 OUT power_out Regulated 9V output. Typical VO = 9V (min 8.55V, max 9.45V over line/load). Requires ~0.1 µF output capacitor (C2) close to the pin for stability.
2 GND power_in Ground / common reference for the regulator. On SOT-89 this pin is also the large center tab used for heat dissipation.
3 IN power_in Unregulated input supply, up to 30V absolute maximum. Recommended input capacitor C1 = 0.33 µF close to the pin. Must exceed VO by at least the dropout voltage (~1.7V).

Key specifications

Parameter Value
Manufacturer Slkor SLKORMICRO Elec
Package SOT-89-3
Category PMIC
Pins 3

CAD (KiCad official)

  • Symbol: SL78L09
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89-3 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Slkor SLKORMICRO Elec datasheet (None pp, sha256 6c310a96cbb2dd07, 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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