SM8082AAAC from Silergy Corp, in a SOT-23-5. 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	EN	input	Enable control input. Pull high (VEN,H ≥ 1.2V) to turn the regulator on; drive low (VEN,L ≤ 0.4V) to shut down (shutdown current 0.1µA typ). Do not leave floating; add a 1MΩ pull-down to GND when the driving source can be high-Z.
2	GND	power_in	Ground return pin for the IC and the internal low-side synchronous FET. Maximize copper connection to GND plane for best thermal and noise performance.
3	LX	output	Switching-node output of the internal power stage. Connect to the external inductor (typ. 1.0µH). PCB copper area on this net must be minimized to avoid noise coupling. Absolute LX range -0.3V to 6.0V (tested to -3V/+7V for <40ns transients).
4	IN	power_in	Power supply input, 2.5V to 5.5V operating range (absolute max 6.0V). Decouple to GND with at least a 10µF X5R ceramic capacitor placed close to the IN/GND pins to minimize loop area.
5	FB	input	Output voltage feedback pin. Connect to the mid-point of the output resistor divider (RH from VOUT to FB, RL from FB to GND) to program VOUT = 0.6 × (1 + RH/RL). Internal reference VREF = 0.6V (588-612mV). Keep this trace away from LX to avoid noise pickup.

Key specifications

Parameter	Value
Manufacturer	Silergy Corp
Package	SOT-23-5
Category	PMIC
Pins	5

Ordering variants

Same part, different packaging or reel option.

SM8082AAAC

CAD (KiCad official)

Symbol: SM8082AAAC
Footprint: Package_TO_SOT_SMD:SOT-23-5
3D model: SOT-23-5 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`sm8082aaac.step`	85 KB	You want the bare part, or you mark your own boards.
`sm8082aaac-etched.step`	2.1 MB	You want the part with `SM8082AAAC` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 514 faces against 102 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: Silergy Corp datasheet (10 pp, sha256 3d1af3cb0c77bf0a, 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