# L7805CV-HXY

**HXY MOSFET** · Linear Voltage Regulators (LDO) · TO-220

L7805CV-HXY from HXY MOSFET, in a TO-220. 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 | IN | power_in | Regulator input; datasheet gives maximum input voltage of 35 V and specifies operation for 7V≤Vi≤25V. |
| 2 | GND | power_in | Ground reference pin of the regulator. |
| 3 | OUT | power_out | Regulated 5 V output (4.8-5.2 V at 25℃) delivering up to 1 A maximum output current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| Package | TO-220 |
| Category | Power Supply Chip |
| 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 | Vo | 4.8 | 5 | 5.2 | V | 7V≤Vi≤20V, Io=5mA-1A, 25℃ | 1 |
| Output voltage | Vo | 4.75 | 5 | 5.25 | V | 7V≤Vi≤20V, Io=5mA-1A, -25-125℃ | 1 |
| Load Regulation | △Vo |  | 9 | 100 | mV | Io=5mA-1A, 25℃ | 1 |
| Load Regulation | △Vo |  | 4 | 50 | mV | Io=250mA-750mA, 25℃ | 1 |
| Line regulation | △Vo |  | 4 | 100 | mV | 7V≤Vi≤25V, 25℃ | 1 |
| Line regulation | △Vo |  | 1.6 | 50 | mV | 8V≤Vi≤12V, 25℃ | 1 |
| Quiescent Current | Iq |  | 5 | 8 | mA | 25℃ | 1 |
| Quiescent Current Change | △Iq |  | 0.3 | 1.3 | mA | 7V≤Vi≤25V, -25-125℃ | 1 |
| Quiescent Current Change | △Iq |  | 0.03 | 0.5 | mA | 5mA≤IO≤1A, -25-125℃ | 1 |
| Ripple Rejection | RR | 62 | 73 |  | dB | 8V≤Vi≤18V, f=120Hz, -25-125℃ | 1 |
| Input Voltage | Vi |  |  | 35 | V | Ta=25℃ | 1 |
| Operating Junction Temperature Range | TOPR | -25 |  | 125 | ℃ |  | 1 |
| Storage Temperature Range | TSTG | -65 |  | 150 | ℃ |  | 1 |
| Continuous total dissipation | PD |  |  | 1.5 | W |  | 1 |
| Maximum output current | IOM |  |  | 1 | A |  | 1 |
| Thermal Resistance from Junction to Air | RθJA |  | 66.7 |  | ℃/W |  | 1 |
| Output Noise Voltage | VN |  | 42 |  | uV | 10Hz≤f≤100KHz, 25℃ | 1 |
| Output voltage drift | △Vo/△T |  | -1.1 |  | mV/℃ | IO=5mA, -25-125℃ | 1 |
| Dropout Voltage | Vd |  | 2 |  | V | Io=1A, 25℃ | 1 |
| Output resistance | RO |  | 10 |  | mΩ | f=1KHZ, 25℃ | 1 |
| Short Circuit Current | Isc |  | 230 |  | mA | 25℃ | 1 |
| Peak Current | Ipk |  | 2.2 |  | A | 25℃ | 1 |

## CAD (KiCad official)

- Symbol: `L7805CV-HXY`
- Footprint: `Package_TO_SOT_THT:TO-220-3_Vertical`
- 3D model: TO-220 (KiCad packages3D, STEP)
- 3D model files: `l7805cv-hxy-etched.step` / `l7805cv-hxy-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l7805cv-hxy.step` / `l7805cv-hxy.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HXY MOSFET datasheet](docs/l7805cv-hxy-datasheet.pdf) (4 pp, sha256 `bedbaff5da47ad82`, retrieved 2026-10-23, tier: lcsc)
- **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/l7805cv-hxy-datasheet.pdf)