# ETA5050V28S2F

**etasolution** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

ETA5050V28S2F from etasolution, in a SOT-23-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VIN | power_in | Input supply pin; input voltage range is 1.6V to 6.0V (absolute maximum -0.3V to 6V). |
| 2 | GND | power_in | Ground pin. |
| 3 | EN | input | Enable pin: drive high (at least 1.4V) to enable the IC and low (at most 0.4V) to disable it, and it can be connected to IN if not used. |
| 4 | NC | unconnected | Not connected. |
| 5 | VOUT | power_out | Regulator output pin, with 500mA continuous output current and a recommended 1uF output capacitor. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | etasolution |
| Package | SOT-23-5 |
| Category | Power Management (PMIC) |
| Pins | 5 |

## CAD (KiCad official)

- Symbol: `ETA5050V28S2F`
- Footprint: `Package_TO_SOT_SMD:SOT-23-5`
- 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files: `eta5050v28s2f-etched.step` / `eta5050v28s2f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `eta5050v28s2f.step` / `eta5050v28s2f.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [etasolution datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908171471450112) (9 pp, sha256 `06d4234c99223a7f`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (vision), consensus `claude-opus-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/eta5050v28s2f-datasheet.pdf)