L78L18ACUTR

{
 "schema": "adom.pads/1",
 "slug": "l78l18acutr",
 "footprint": "SOT-89-3",
 "generated_from": {
  "footprint": "SOT-89-3@sha256:0b8db9f4a8f2547a",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -1.95,
   -1.5
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOT-89-3@sha256:0b8db9f4a8f2547a"
 },
 "pad_count": 3,
 "symbol_pins": [
  "1",
  "2",
  "3"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -1.95,
    -1.5
   ],
   "rot": 0.0,
   "size": [
    1.3,
    0.9
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "VOUT",
   "type": "power_out",
   "description": "Regulated +18 V output (±4% for 'AC' grade). Delivers up to 100 mA with adequate heat-sinking. A 0.1 µF ceramic capacitor to GND is recommended at the pin to improve transient response and stability.",
   "is_pin1": true,
   "source": {
    "geometry": "SOT-89-3.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "custom",
   "at": [
    -1.8625,
    0.0
   ],
   "rot": 0.0,
   "size": [
    1.475,
    0.9
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "GND",
   "type": "power_in",
   "description": "Common ground reference for input and output. The SOT-89 large center tab is also connected to GND and serves as the primary thermal path to the PCB copper (Rth(j-c) = 15 °C/W, Rth(j-a) ≈ 55 °C/W with 6 cm² copper).",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-89-3.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -1.95,
    1.5
   ],
   "rot": 0.0,
   "size": [
    1.3,
    0.9
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "VIN",
   "type": "power_in",
   "description": "Unregulated positive DC input. For an 18 V output the input voltage must remain within the 35 V absolute maximum (VO = 12-15 V rating in Table 1 extends to 40 V for VO = 18-24 V devices, so VIN(max) = 40 V for the 18 V option). Dropout voltage is typically 1.7 V. A 0.33 µF capacitor from VIN to GND is recommended if the regulator is far from the power-supply filter.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-89-3.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}