# LM7809D2TRG

**HANSCHIP semiconductor** · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · TO-263-2L

LM7809D2TRG from HANSCHIP semiconductor, in a TO-263-2L. 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 | Vcc | power_in | Unregulated input supply pin; the LM7809 input voltage VI is specified at 11.5 to 35 V, and absolute maximum VIN is 35 V. |
| 2 | GND | power_in | Ground (common) pin for the regulator. |
| 3 | OUT | power_out | Regulated output pin; the LM7809 output voltage is specified at 8.65 to 9.35 V (typical 9.0 V) with a maximum output current IOM of 1.2 A. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HANSCHIP semiconductor |
| Package | TO-263-2L |
| 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 | Vo | 8.65 | 9 | 9.35 | V | VI=15V, Io=0.5A, PD≤15W | 4 |
| Input voltage | VI | 11.5 |  | 35 | V |  | 4 |
| Line regulation (voltage regulation) | REGv |  | 6 | 180 | mV | VI=12~30V | 4 |
| Load regulation | REGL |  | 12 | 180 | mV | Io=5mA~1.2A | 4 |
| Ripple rejection | Srip |  | 56 |  | dB | VI=12~25V, Io=100mA, f=120Hz | 4 |
| Maximum output current | IOM |  |  | 1.2 | A |  | 4 |
| Output voltage temperature coefficient | ∆V/T |  | -1 |  | mV/℃ | Io=5mA, Tj=0~125℃ | 4 |
| Output noise voltage | VNO |  | 58 |  | µV | f=10Hz~100kHz | 4 |
| Input voltage (absolute maximum) | VIN |  |  | 35 | V | Tamb=25℃ unless otherwise specified | 3 |
| Power dissipation | PD |  |  | 15 | W |  | 3 |
| Operating ambient temperature | Tamb | 0 |  | 125 | ℃ |  | 3 |
| Storage temperature | Tstg | -55 |  | 150 | ℃ |  | 3 |
| Lead temperature (soldering 10s) | TLEAD |  |  | 245 | ℃ | 10s soldering | 3 |

## CAD (KiCad official)

- Symbol: `LM7809D2TRG`
- Footprint: `Package_TO_SOT_SMD:TO-263-2`
- 3D model: TO-263-2L (KiCad packages3D, STEP)
- 3D model files: `lm7809d2trg-etched.step` / `lm7809d2trg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm7809d2trg.step` / `lm7809d2trg.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/8757279604757544960) (11 pp, sha256 `8b617ecef56eafc9`, retrieved 2026-10-20, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/lm7809d2trg-datasheet.pdf)