# HLM78L05ACMX

**HXY MOSFET** · Linear Voltage Regulators (LDO) · SOP-8

HLM78L05ACMX from HXY MOSFET, in a SOP-8. 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 | OUT | power_out | Regulated 5 V output, used with a 0.1μF output capacitor per the typical application circuit. |
| 2 | GND | power_in | Ground pin. |
| 3 | GND | power_in | Ground pin. |
| 4 | NC | unconnected | No internal connection. |
| 5 | NC | unconnected | No internal connection. |
| 6 | GND | power_in | Ground pin. |
| 7 | GND | power_in | Ground pin. |
| 8 | IN | power_in | Input voltage pin, maximum 30 V, used with a 0.33μF input capacitor per the typical application circuit. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HXY MOSFET |
| Package | SOP-8 |
| Category | Power Management ICs |
| Pins | 8 |

## 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 (Tj=25C) | VO | 4.8 | 5 | 5.2 | V | Tj=25℃ | 2 |
| Output voltage (line/load range, 1-40mA) | VO | 4.75 |  | 5.25 | V | 7V≤Vi≤20V, IO=1mA-40mA | 2 |
| Output voltage (1-70mA) | VO | 4.75 |  | 5.25 | V | V1=10V, IO=1mA-70mA | 2 |
| Load regulation (1-100mA) | Regload |  | 11 | 60 | mV | Tj=25℃, IO=1mA-100mA | 2 |
| Load regulation (1-40mA) | Regload |  | 5 | 30 | mV | Tj=25℃, IO=1mA-40mA | 2 |
| Line regulation (7-20V) | Regline |  | 55 | 150 | mV | 7V≤Vi≤20V, Tj=25℃ | 2 |
| Line regulation (8-20V) | Regline |  | 45 | 100 | mV | 8V≤Vi≤20V, Tj=25℃ | 2 |
| Input bias current (25C) | IIB |  | 3.8 | 6 | mA | Tj=25℃ | 2 |
| Input bias current (125C) | IIB |  |  | 5.5 | mA | Tj=125℃ | 2 |
| Input bias current change (line) | △IIB |  |  | 1.5 | mA | 8V≤Vi≤20V | 2 |
| Input bias current change (load) | △IIB |  |  | 0.1 | mA | 1mA≤IO≤40mA | 2 |
| Ripple rejection | RR | 41 | 49 |  | dB | IO=40mA, 8V≤Vi≤18V, f=120Hz, Tj=25℃ | 2 |
| Output noise voltage | VN |  | 40 |  | μV | 10Hz ≤f≤100KHz | 2 |
| Dropout voltage | VI-VO |  | 1.7 |  | V | Tj=25℃ | 2 |
| Input voltage | VI |  |  | 30 | V |  | 1 |
| Maximum output current | ICM |  |  | 100 | mA |  | 1 |
| Power dissipation | PD |  |  | 500 | mW |  | 1 |
| Operating junction temperature | TOPR | 0 |  | 125 | ℃ |  | 1 |
| Storage temperature range | Tj,Tstg | -40 |  | 150 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `HLM78L05ACMX`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `hlm78l05acmx-etched.step` / `hlm78l05acmx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `hlm78l05acmx.step` / `hlm78l05acmx.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HXY MOSFET datasheet](docs/hlm78l05acmx-datasheet.pdf) (5 pp, sha256 `8d24f081176e0642`, retrieved 2026-10-31, 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/hlm78l05acmx-datasheet.pdf)