# BL8075CC3TR33

**BL Shanghai Belling** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89-3

BL8075CC3TR33 from BL Shanghai Belling, 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 | GND | power_in | Ground reference pin of the regulator, connected to the system ground. |
| 2 | VIN | power_in | Regulator input supply, specified for 3V to 16V with a maximum input voltage of 20V. |
| 3 | VOUT | power_out | Regulated output, 3.3V for this part (MPN suffix 33) with ±2% accuracy and up to 500mA maximum output current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | BL Shanghai Belling |
| Package | SOT-89-3 |
| 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 |
|---|---|---|---|---|---|---|---|
| Input voltage | VIN | 3 |  | 16 | V |  | 3 |
| Output voltage tolerance (3.3V variant, accuracy within ±2%) | VOUT | -2 |  | 2 | % | VOUT>1.5V, VIN-VOUT=1.2V, 1mA≤IOUT≤30mA | 3 |
| Line regulation |  |  | 0.2 | 0.3 | %/V | IOUT=10mA, 4V≤VIN≤16V | 3 |
| Load regulation |  |  | 20 | 40 | mV | VIN=Set VOUT+1V, 1mA≤IOUT≤100mA | 3 |
| Quiescent current (enabled) | IQ |  | 10 | 20 | uA | VIN=Set VOUT+1V, VEN="H" | 3 |
| Quiescent current (disabled) | IQ |  | 0.1 | 1 | uA | VIN=12V, VEN=0V | 3 |
| Output voltage temperature coefficient |  | -100 |  | 100 | ppm/C | IOUT=10mA | 3 |
| EN input voltage "H" | VENH | 1.5 |  |  | V |  | 3 |
| EN input voltage "L" | VENL | 0 |  | 0.4 | V |  | 3 |
| Maximum output current | IOUT (Max.) |  | 500 |  | mA | VIN-VOUT=1.2V | 3 |
| Dropout voltage |  |  | 600 |  | mV | IOUT=300mA, VOUT = 3.3V | 3 |
| Thermal shutdown |  |  | 150 |  | °C |  | 3 |
| Max input voltage |  |  |  | 20 | V |  | 2 |
| Operating junction temperature | TJ |  |  | 125 | C |  | 2 |
| Ambient temperature | TA | -40 |  | 85 | C |  | 2 |
| Power dissipation | PD |  |  | 500 | mW | PD@TA=25C, SOT-89-3 | 2 |
| Storage temperature | TS | -40 |  | 150 | C |  | 2 |
| Lead temperature |  |  |  | 260 | C | 10S | 2 |
| Input voltage range (recommended) |  | 3 |  | 16 | V |  | 2 |
| Ambient temperature (recommended) |  | -40 |  | 85 | C |  | 2 |

## CAD (KiCad official)

- Symbol: `BL8075CC3TR33`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `bl8075cc3tr33-etched.step` / `bl8075cc3tr33-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bl8075cc3tr33.step` / `bl8075cc3tr33.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [BL Shanghai Belling datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949320766787584) (6 pp, sha256 `bf7cdf59c700df6e`, retrieved 2026-10-17, 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/bl8075cc3tr33-datasheet.pdf)