LD1117-1.8 - pads.json

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Ray pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) 3b79571 2mo ago

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{
 "schema": "adom.pads/1",
 "slug": "ld1117-1-8",
 "footprint": "SOT-223-3_TabPin2",
 "generated_from": {
  "footprint": "SOT-223-3_TabPin2@sha256:8ae5f03e2c16377a",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -3.15,
   -2.3
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOT-223-3_TabPin2@sha256:8ae5f03e2c16377a"
 },
 "pad_count": 3,
 "symbol_pins": [
  "1",
  "2",
  "3"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -3.15,
    -2.3
   ],
   "rot": 0.0,
   "size": [
    2.0,
    1.5
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "GND",
   "type": "power_in",
   "description": "Ground reference for the fixed-output LD1117-1.8. On the adjustable LD1117-ADJ this same pin functions as the ADJ feedback node (VREF=1.25V nominal); on fixed versions the internal F1/F2 divider is connected and the ADJ path (A) is disconnected, so the pin is a plain ground return.",
   "is_pin1": true,
   "source": {
    "geometry": "SOT-223-3_TabPin2.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -3.15,
    0.0
   ],
   "rot": 0.0,
   "size": [
    2.0,
    1.5
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "VOUT",
   "type": "power_out",
   "description": "Regulated 1.8V output (1.764V min / 1.836V max at IOUT=10mA, VIN=3.8V, TJ=25°C). Delivers up to 1A continuous with typical dropout of 1.2V at 1A. Requires an output capacitor for stability; internally protected by current limit (1.25-1.6A) and thermal shutdown (~150°C).",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-223-3_TabPin2.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -3.15,
    2.3
   ],
   "rot": 0.0,
   "size": [
    2.0,
    1.5
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "VIN",
   "type": "power_in",
   "description": "Unregulated input supply. Absolute maximum 18V; recommended operating input ≤12V. Must exceed VOUT by at least the dropout voltage (≥1.2V at 1A) to remain in regulation. Bypass with a bulk input capacitor.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-223-3_TabPin2.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}