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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206

Name	Last commit message	Last updated
docs	78l06mg-ab3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	1mo ago
viewers	78l06mg-ab3-r: viewers · Ray	2mo ago
78l06mg-ab3-r-etched.fit.json	78l06mg-ab3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	1mo ago
78l06mg-ab3-r-etched.glb	78l06mg-ab3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	1mo ago
78l06mg-ab3-r-etched.step	78l06mg-ab3-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray	1mo ago
78l06mg-ab3-r.glb	Publish 0.1.0 · Ray	2mo ago
78l06mg-ab3-r.kicad_mod	Publish 0.1.0 · Ray	2mo ago
78l06mg-ab3-r.kicad_sym	Publish 0.1.0 · Ray	2mo ago
78l06mg-ab3-r.lbr	Publish 0.1.0 · Ray	2mo ago
78l06mg-ab3-r.step	Publish 0.1.0 · Ray	2mo ago
package.json	Publish 0.2.0 · Ray	2mo ago
page.json	78l06mg-ab3-r: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray	28d ago
README.md	78l06mg-ab3-r: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray	1mo ago

78L06MG-AB3-R

UTC Unisonic Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

78L06MG-AB3-R from UTC Unisonic Tech, 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 +6V output. Delivers up to 200mA with typical dropout of 1.7V. A 0.1uF ceramic bypass capacitor to GND is recommended close to the pin for stability and transient response.
2	GND	power_in	Ground reference for the regulator. On SOT-89 this pin also serves as the primary thermal path via the tab.
3	IN	power_in	Unregulated input voltage. For the 6V version, recommended operating range is 8.5V to 20V (absolute maximum 30V). A 0.33uF bypass capacitor to GND is recommended close to the pin.

Key specifications

Parameter	Value
Manufacturer	UTC Unisonic Tech
Package	SOT-89-3
Category	PMIC
Pins	3

Ordering variants

78L06MG-AB3-R
78L06MG-AB3-R78L06MG-AA3-R
78L06MG-AB3-R78L06MG-T92-B
78L06MG-AB3-R78L06MG-T92-K
78L06MG-AB3-R78L06ML-T92-B
78L06MG-AB3-R78L06ML-T92-K
78L06MG-AB3-R78L06MG-T9N-B
78L06MG-AB3-R78L06MG-T9N-K
78L06MG-AB3-R78L06ML-T9N-B
78L06MG-AB3-R78L06ML-T9N-K
78L06MG-AB3-R78L06MG-S08-R

CAD (KiCad official)

Symbol: 78L06MG-AB3-R
Footprint: Package_TO_SOT_SMD:SOT-89-3
3D model: SOT-89-3 (KiCad packages3D, STEP)
3D model files: 78l06mg-ab3-r-etched.step / 78l06mg-ab3-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 78l06mg-ab3-r.step / 78l06mg-ab3-r.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`78l06mg-ab3-r.step`	57 KB	You want the bare part, or you mark your own boards.
`78l06mg-ab3-r-etched.step`	1.9 MB	You want the part with `78L06MG-AB3-R` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 480 faces against 42 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

Datasheet: UTC Unisonic Tech datasheet (8 pp, sha256 5513659f9acccf61, 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