# BL8565CC3BTR25

**BL(Shanghai Belling)** · Linear Voltage Regulators (LDO) · SOT-89-3

BL8565CC3BTR25 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 | Vss | power_in | Ground pin of the regulator (SOT-89-3(B) variant, BL8565CC3B). |
| 2 | Vin | power_in | Supply voltage input; recommended range up to 6V (absolute maximum 8V), with 1uF input capacitor recommended. |
| 3 | Vout | power_out | Regulated output voltage (1.5V to 4.5V, ±2%), up to 500mA maximum output current, with 3.3uF/4.7uF output capacitor recommended. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | BL(Shanghai Belling) |
| 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 |
|---|---|---|---|---|---|---|---|
| Output Voltage Accuracy | Vout | -2 |  | 2 | % | Vin=Set Vout+1V, 1mA≤Iout≤30mA | 3 |
| Input Voltage | Vin |  |  | 6 | V |  | 3 |
| Maximum Output Current | Iout (Max.) | 500 |  |  | mA | Vin-Vout=1V | 3 |
| Line Regulation |  |  | 0.05 | 0.2 | %/V | Iout=40mA, 2.8V≤Vin≤6V | 3 |
| Load Regulation | ΔVout/ΔIout |  | 30 | 50 | mV | Vin=Set Vout+1V, 1mA≤Iout≤300mA | 3 |
| Supply Current | Iss |  | 35 | 80 | uA | Vin=Set Vout+1V | 3 |
| Supply Current (Standby) | Istandby |  | 0.1 | 1 | uA | Vin=Set Vout+1V, Vce=GND | 3 |
| Output Voltage Temperature Coefficient | ΔVout/(ΔT·Vout) | -100 |  | 100 | ppm/°C | Iout=30mA | 3 |
| Ripple Rejection | PSRR |  | 70 |  | dB | F=100Hz, Ripple=0.5Vp-p, Vin=Set Vout+1V | 4 |
| Short Current Limit | Ilim |  | 1000 |  | mA | Vout=0V | 4 |
| CE Pull down Resistance | Rpd | 2 | 5 | 10 | MΩ |  | 4 |
| Output Noise | en |  | 47 |  | uVrms | BW=10Hz~100kHz | 4 |
| Max Input Voltage |  |  |  | 8 | V |  | 3 |
| Operating Junction Temperature | Tj |  |  | 125 | °C |  | 3 |
| Output Current |  |  |  | 500 | mA |  | 3 |
| Ambient Temperature | Ta | -40 |  | 85 | °C |  | 3 |
| Power Dissipation |  |  |  | 500 | mW | SOT-89-3 | 3 |
| Storage Temperature | Ts | -40 |  | 150 | °C |  | 3 |
| Lead Temperature & Time |  |  |  | 260 | °C | 10S | 3 |
| Input Voltage Range |  |  |  | 6 | V |  | 3 |
| Ambient Temperature |  | -40 |  | 85 | °C |  | 3 |

## CAD (KiCad official)

- Symbol: `BL8565CC3BTR25`
- Footprint: `Package_TO_SOT_SMD:SOT-89-3`
- 3D model: SOT-89-3 (KiCad packages3D, STEP)
- 3D model files: `bl8565cc3btr25-etched.step` / `bl8565cc3btr25-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bl8565cc3btr25.step` / `bl8565cc3btr25.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [BL(Shanghai Belling) datasheet](docs/bl8565cc3btr25-datasheet.pdf) (7 pp, sha256 `086ebad1ee498157`, retrieved 2026-10-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+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/bl8565cc3btr25-datasheet.pdf)