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AP7381-33Y-13
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Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ap7381-33y-13: specified limits as data (metadata.characteristics, 14 rows from the datasheet)
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AP7381-33Y-13
Diodes Incorporated · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89
AP7381-33Y-13 from Diodes Incorporated, in a SOT-89. 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 | VOUT | power_out | Regulated output voltage pin; absolute maximum output voltage is -0.3 V to 8 V and output current is rated to 150 mA. |
| 2 | GND | power_in | Ground reference pin for the regulator. |
| 3 | VIN | power_in | Input voltage pin; recommended supply range is 3.3 V to 40 V, with an absolute maximum rating of -0.3 V to 45 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-89 |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Output Voltage Variation from Specified VOUT | VOUT | 98 | 102 | % of VOUT | 3 | ||
| Input Voltage | VIN | 3.3 | 40 | V | 3 | ||
| Current Limit | ILIMIT | 150 | mA | VOUT = 98% x VOUT, VIN = VOUT + 2V | 3 | ||
| Supply Input Voltage | VIN | -0.3 | 45 | V | 2 | ||
| Output Voltage | VOUT | -0.3 | 8 | V | 2 | ||
| Output Current | IOUT | 150 | mA | 2 | |||
| Lead Temperature | TLEAD | 260 | °C | Soldering, 10s | 2 | ||
| Operating Junction Temperature | TJ | 150 | °C | 2 | |||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 2 | ||
| CDM ESD (Charge Device Model) | CDM ESD | 2000 | V | 2 | |||
| HBM ESD (Human Body Model) | HBM ESD | 4000 | V | 2 | |||
| Supply Input Voltage | VIN | 3.3 | 40 | V | 2 | ||
| Operating Junction Temperature | TJ | -40 | 125 | °C | 2 | ||
| Thermal Resistance Junction-to-Ambient, SOT89 | θJA | 125 | °C/W | SOT89 package; ratings apply to ambient +25°C, JEDEC High-K board (Note 4) | 2 |
CAD (KiCad official)
- Symbol:
AP7381-33Y-13 - Footprint:
Package_TO_SOT_SMD:SOT-89-3 - 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files:
ap7381-33y-13-etched.step/ap7381-33y-13-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ap7381-33y-13.step/ap7381-33y-13.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (13 pp, sha256
657d25b1f48ab5dc, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).
# AP7381-33Y-13
**Diodes Incorporated** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89
AP7381-33Y-13 from Diodes Incorporated, in a SOT-89. 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 | VOUT | power_out | Regulated output voltage pin; absolute maximum output voltage is -0.3 V to 8 V and output current is rated to 150 mA. |
| 2 | GND | power_in | Ground reference pin for the regulator. |
| 3 | VIN | power_in | Input voltage pin; recommended supply range is 3.3 V to 40 V, with an absolute maximum rating of -0.3 V to 45 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-89 |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Output Voltage Variation from Specified VOUT | VOUT | 98 | | 102 | % of VOUT | | 3 |
| Input Voltage | VIN | 3.3 | | 40 | V | | 3 |
| Current Limit | ILIMIT | 150 | | | mA | VOUT = 98% x VOUT, VIN = VOUT + 2V | 3 |
| Supply Input Voltage | VIN | -0.3 | | 45 | V | | 2 |
| Output Voltage | VOUT | -0.3 | | 8 | V | | 2 |
| Output Current | IOUT | | | 150 | mA | | 2 |
| Lead Temperature | TLEAD | | | 260 | °C | Soldering, 10s | 2 |
| Operating Junction Temperature | TJ | | | 150 | °C | | 2 |
| Storage Temperature Range | TSTG | -65 | | 150 | °C | | 2 |
| CDM ESD (Charge Device Model) | CDM ESD | | | 2000 | V | | 2 |
| HBM ESD (Human Body Model) | HBM ESD | | | 4000 | V | | 2 |
| Supply Input Voltage | VIN | 3.3 | | 40 | V | | 2 |
| Operating Junction Temperature | TJ | -40 | | 125 | °C | | 2 |
| Thermal Resistance Junction-to-Ambient, SOT89 | θJA | | 125 | | °C/W | SOT89 package; ratings apply to ambient +25°C, JEDEC High-K board (Note 4) | 2 |
## CAD (KiCad official)
- Symbol: `AP7381-33Y-13`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89 (KiCad packages3D, STEP)
- 3D model files: `ap7381-33y-13-etched.step` / `ap7381-33y-13-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ap7381-33y-13.step` / `ap7381-33y-13.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Diodes Incorporated datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8560093503712747520) (13 pp, sha256 `657d25b1f48ab5dc`, retrieved 2026-10-09, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/ap7381-33y-13-datasheet.pdf)