# SD5088A15S

**SHOUDING** · Linear Voltage Regulators (LDO) · SOT-23-3

SD5088A15S from SHOUDING, in a SOT-23-3. 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 | Vss | power_in | Ground pin (Vss), the reference for the Vout pin voltage range of Vss-0.3 V to Vout+0.3 V. |
| 2 | Vout | power_out | Regulated voltage output, absolute maximum output current 500 mA, with output voltage within ±2% of the specified value. |
| 3 | Vin | power_in | Voltage input, absolute maximum 6.5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | SHOUDING |
| Package | SOT-23-3 |
| Category | Power Management ICs |
| Pins | 3 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input voltage | VIN |  |  | 6.5 | V |  | 3 |
| Output current | Iout |  |  | 500 | mA |  | 3 |
| Power dissipation SOT-23-3 | Pd |  |  | 300 | mW | SOT-23-3 | 3 |
| Operating temperature | TOpr | -25 |  | 85 | °C |  | 3 |
| Storage temperature | Tstg | -40 |  | 125 | °C |  | 3 |
| Maximum output current | IOUT(max) | 100 |  |  | mA | VIN=Vout+1V | 3 |
| Load regulation | ΔVOUT |  |  | 10 | mV | VIN=Vout+1V, 1mA≤IOUT≤80mA | 3 |
| Dropout voltage 1 | Vdif1 |  |  | 180 | mV | IOUT=20mA | 3 |
| Dropout voltage 2 | Vdif2 |  |  | 360 | mV | IOUT=50mA | 3 |
| Quiescent current | ISS |  | 7 |  | μA | VIN=Vout+1V | 3 |
| Line regulation | ΔVOUT/(ΔVIN·VOUT) |  | 0.1 |  | %/V | IOUT=10mA, Vout+1V≤VIN≤5V | 3 |
| Ripple rejection ratio | PSRR |  | 45 |  | dB | Vin=[Vout+1]V +1Vp-p AC, IOUT=10mA, f=1kHz | 3 |
| Short-circuit current | Ishort |  | 20 |  | mA | Vin=Vout(T)+1.5V, Vout=Vss | 3 |
| Overcurrent protection current | Ilimt |  | 200 |  | mA |  | 3 |

## CAD (KiCad official)

- Symbol: `SD5088A15S`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files: `sd5088a15s-etched.step` / `sd5088a15s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sd5088a15s.step` / `sd5088a15s.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [SHOUDING datasheet](docs/sd5088a15s-datasheet.pdf) (9 pp, sha256 `6caae5d10f027a64`, retrieved 2026-10-30, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-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/sd5088a15s-datasheet.pdf)