LP2950CDT-3.3RKG - pads.json

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Ray pinmap.json: symbol pin 4 (Tab/GND) lands on pad 2. On a DPAK the tab IS the middle lead, so the footprint gives it tha… 7e8db2f 2mo ago

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{
 "schema": "adom.pads/1",
 "slug": "lp2950cdt-3-3rkg",
 "footprint": "TO-252-2",
 "generated_from": {
  "footprint": "TO-252-2@sha256:18c28e5e147d5e9b",
  "pins": "page.json:component.pins",
  "overrides": "pinmap.json"
 },
 "pin1": {
  "pad": "1",
  "at": [
   -5.04,
   -2.28
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "TO-252-2@sha256:18c28e5e147d5e9b"
 },
 "pad_count": 3,
 "symbol_pins": [
  "1",
  "2",
  "3",
  "4"
 ],
 "paste_apertures": 4,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -5.04,
    -2.28
   ],
   "rot": 0.0,
   "size": [
    2.2,
    1.2
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "Input",
   "type": "power_in",
   "description": "Unregulated supply input, VCC. Absolute maximum 30 Vdc (32 V peak transient <300 ms). For 3.3 V output, Vin must be at least VO + dropout (~3.68 V at 100 mA).",
   "is_pin1": true,
   "source": {
    "geometry": "TO-252-2.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    1.26,
    0.0
   ],
   "rot": 0.0,
   "size": [
    6.4,
    5.8
   ],
   "layers": [
    "F.Cu",
    "F.Mask"
   ],
   "thermal": false,
   "pin": "4",
   "name": "Tab/GND",
   "type": "power_in",
   "description": "DPAK exposed metal heatsink tab. Internally bonded to Pin 2 (Ground). Solder to a copper pour to lower junction-to-ambient thermal resistance (RθJA = 92 °C/W with recommended pad, RθJC = 6.0 °C/W).",
   "is_pin1": false,
   "source": {
    "geometry": "TO-252-2.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "pinmap.json (declared)"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -5.04,
    2.28
   ],
   "rot": 0.0,
   "size": [
    2.2,
    1.2
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "Output",
   "type": "power_out",
   "description": "Regulated 3.3 V output, up to 100 mA continuous (typ. current limit 220 mA). Requires ≥1.0 µF output capacitor for loop stability.",
   "is_pin1": false,
   "source": {
    "geometry": "TO-252-2.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}