# LM78M05DCYRG

**HANSCHIP semiconductor** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-223

LM78M05DCYRG from HANSCHIP semiconductor, in a SOT-223. 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 | VIN | power_in | Unregulated input voltage, rated up to 35 V absolute maximum for 5 to 18 V output versions (7 to 20 V specified for LM78M05 at 350 mA). |
| 2 | GND | power_in | Ground reference pin, common to input and output. |
| 3 | VOUT | power_out | Regulated 5 V output (4.9 to 5.1 V at 25 °C) with up to 0.5 A output current, internally current limited. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HANSCHIP semiconductor |
| Package | SOT-223 |
| 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 (TJ = 25°C) | VO | 4.9 | 5 | 5.1 | V | TJ = 25°C | 4 |
| Output voltage (over line and load) | VO | 4.8 | 5 | 5.2 | V | IO = 5 to 350 mA, VI = 7 to 20 V | 4 |
| Line regulation | ΔVO |  |  | 100 | mV | VI = 7 to 25 V, IO = 200 mA, TJ = 25°C | 4 |
| Line regulation | ΔVO |  |  | 50 | mV | VI = 8 to 25 V, IO = 200 mA, TJ = 25°C | 4 |
| Load regulation | ΔVO |  |  | 100 | mV | IO = 5 to 500 mA, TJ = 25°C | 4 |
| Load regulation | ΔVO |  |  | 50 | mV | IO = 5 to 200 mA, TJ = 25°C | 4 |
| Quiescent current | Id |  |  | 6 | mA | TJ = 25°C | 4 |
| Quiescent current change | ΔId |  |  | 0.5 | mA | IO = 5 to 350 mA | 4 |
| Quiescent current change | ΔId |  |  | 0.8 | mA | IO = 200 mA, VI = 8 to 25 V | 4 |
| DC input voltage (for VO = 5 to 18 V) | VI |  |  | 35 | V | for VO = 5 to 18 V | 3 |
| Storage temperature range | TSTG | -65 |  | 150 | °C |  | 3 |
| Operating junction temperature range | TOP | 0 |  | 125 | °C |  | 3 |
| Lead Temperature (Soldering, 10 seconds) | TL |  |  | 245 | °C |  | 3 |
| Output voltage drift | ΔVO/ΔT |  | -0.5 |  | mV/°C | IO = 5 mA | 4 |
| Supply voltage rejection | SVR |  | 62 |  | dB | VI = 8 to 18 V, f = 120Hz, IO = 300mA, TJ = 25°C | 4 |
| Output noise voltage | eN |  | 40 |  | µV | B = 10Hz to 100kHz, TJ = 25°C | 4 |
| Dropout voltage | Vd |  | 2 |  | V | TJ = 25°C | 4 |
| Short circuit current | Isc |  | 300 |  | mA | TJ = 25°C, VI = 35 V | 4 |
| Short circuit peak current | Iscp |  | 700 |  | mA | TJ = 25°C | 4 |

## CAD (KiCad official)

- Symbol: `LM78M05DCYRG`
- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`
- 3D model: SOT-223 (KiCad packages3D, STEP)
- 3D model files: `lm78m05dcyrg-etched.step` / `lm78m05dcyrg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm78m05dcyrg.step` / `lm78m05dcyrg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HANSCHIP semiconductor datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603382780399271936) (12 pp, sha256 `9576aa4f3cb41ff9`, retrieved 2026-10-19, 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/lm78m05dcyrg-datasheet.pdf)