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78L09T

Public Made by Adom

by adom

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

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Contents

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78L09T

Foshan Blue Rocket Elec · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89

78L09T from Foshan Blue Rocket Elec, in a SOT-89. 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 +9 V output. Typical output voltage 9.0 V (min 8.55 V, max 9.45 V) at Io = 40 mA. Requires a 0.1 uF output capacitor to ground for stability.
2 GND power_in Ground / common return for input and output. Also serves as the thermal/heat-sink tab on SOT-89.
3 IN power_in Unregulated DC input. Absolute maximum 30 V; recommended operating input 11.5 V to 23 V for the 9 V output. A 0.33 uF bypass capacitor to ground is recommended close to the pin.

Key specifications

Parameter Value
Manufacturer Foshan Blue Rocket Elec
Package SOT-89
Category PMIC
Pins 3

Ordering variants

  • 78L09TT

CAD (KiCad official)

  • Symbol: 78L09T
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: 78l09t-etched.step / 78l09t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 78l09t.step / 78l09t.glb are the bare package body.

Provenance

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

  • Datasheet: Foshan Blue Rocket Elec datasheet (6 pp, sha256 bb47c2f6883efb95, 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