component
SD5088A18E
Public Made by Adomby adom
SHOUDING Linear Voltage Regulators (LDO), SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
SD5088A18E
SHOUDING · Linear Voltage Regulators (LDO) · SOT-89-3
SD5088A18E from SHOUDING, in a SOT-89-3. 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 of the regulator. |
| 2 | Vin | power_in | Voltage input pin; maximum input voltage is 6.5 V. |
| 3 | Vout | power_out | Regulated voltage output pin (1.8 V for the A18 option, ±2% accuracy), with up to 300 mA output current capability. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SHOUDING |
| Package | SOT-89-3 |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum output current | IOUT(max) | 300 | mA | VIN=Vout+1V | 4 | ||
| Input voltage | VIN | 6.5 | V | 3 | |||
| Output current | Iout | 500 | mA | 3 | |||
| Power dissipation SOT-89-3 | Pd | 500 | mW | SOT-89-3 | 3 | ||
| Operating temperature | TOpr | -25 | 85 | °C | 3 | ||
| Storage temperature | Tstg | -40 | 125 | °C | 3 | ||
| Load regulation | ΔVOUT | 14 | mV | VIN=Vout+1V, 1mA≤IOUT≤100mA | 4 | ||
| Dropout voltage 1 | Vdif1 | 180 | mV | IOUT=80mA | 4 | ||
| Dropout voltage 2 | Vdif2 | 380 | mV | IOUT=200mA | 4 | ||
| Quiescent current | ISS | 8 | μA | VIN=Vout+1V | 4 | ||
| Line regulation | ΔVOUT/(ΔVIN·VOUT) | 0.03 | %/V | IOUT=40mA, Vout+1V≤VIN≤6V | 4 | ||
| Ripple rejection | PSRR | 50 | dB | Vin=[Vout+1]V+1Vp-pAC, IOUT=10mA, f=1kHz | 4 | ||
| Short-circuit current | Ishort | 30 | mA | Vin=Vout(T)+1.5V, Vout=Vss | 4 | ||
| Overcurrent protection current | Ilimit | 500 | mA | 4 |
CAD (KiCad official)
- Symbol:
SD5088A18E - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files:
sd5088a18e-etched.step/sd5088a18e-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sd5088a18e.step/sd5088a18e.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: SHOUDING datasheet (9 pp, sha256
6caae5d10f027a64, retrieved 2026-10-26, 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, primaryclaude-sonnet-5-5(text), consensusclaude-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).
# SD5088A18E
**SHOUDING** · Linear Voltage Regulators (LDO) · SOT-89-3
SD5088A18E from SHOUDING, in a SOT-89-3. 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 of the regulator. |
| 2 | Vin | power_in | Voltage input pin; maximum input voltage is 6.5 V. |
| 3 | Vout | power_out | Regulated voltage output pin (1.8 V for the A18 option, ±2% accuracy), with up to 300 mA output current capability. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SHOUDING |
| Package | SOT-89-3 |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum output current | IOUT(max) | 300 | | | mA | VIN=Vout+1V | 4 |
| Input voltage | VIN | | | 6.5 | V | | 3 |
| Output current | Iout | | | 500 | mA | | 3 |
| Power dissipation SOT-89-3 | Pd | | | 500 | mW | SOT-89-3 | 3 |
| Operating temperature | TOpr | -25 | | 85 | °C | | 3 |
| Storage temperature | Tstg | -40 | | 125 | °C | | 3 |
| Load regulation | ΔVOUT | | 14 | | mV | VIN=Vout+1V, 1mA≤IOUT≤100mA | 4 |
| Dropout voltage 1 | Vdif1 | | 180 | | mV | IOUT=80mA | 4 |
| Dropout voltage 2 | Vdif2 | | 380 | | mV | IOUT=200mA | 4 |
| Quiescent current | ISS | | 8 | | μA | VIN=Vout+1V | 4 |
| Line regulation | ΔVOUT/(ΔVIN·VOUT) | | 0.03 | | %/V | IOUT=40mA, Vout+1V≤VIN≤6V | 4 |
| Ripple rejection | PSRR | | 50 | | dB | Vin=[Vout+1]V+1Vp-pAC, IOUT=10mA, f=1kHz | 4 |
| Short-circuit current | Ishort | | 30 | | mA | Vin=Vout(T)+1.5V, Vout=Vss | 4 |
| Overcurrent protection current | Ilimit | | 500 | | mA | | 4 |
## CAD (KiCad official)
- Symbol: `SD5088A18E`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `sd5088a18e-etched.step` / `sd5088a18e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sd5088a18e.step` / `sd5088a18e.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [SHOUDING datasheet](docs/sd5088a18e-datasheet.pdf) (9 pp, sha256 `6caae5d10f027a64`, retrieved 2026-10-26, 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/sd5088a18e-datasheet.pdf)