LD1117ASTR

{
 "schema": "adom.pads/1",
 "slug": "ld1117astr",
 "footprint": "SOT-223",
 "generated_from": {
  "footprint": "SOT-223@sha256:49f22605ecc1fc70",
  "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@sha256:49f22605ecc1fc70"
 },
 "pad_count": 4,
 "symbol_pins": [
  "1",
  "2",
  "3",
  "4"
 ],
 "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": "ADJ/GND",
   "type": "input",
   "description": "Adjust pin (adjustable version) - connect to a resistor divider from VOUT to set the output voltage, where VOUT = 1.25 V x (1 + R2/R1) + IADJ x R2. In fixed-voltage variants this pin is the device ground.",
   "is_pin1": true,
   "source": {
    "geometry": "SOT-223.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 output. For the adjustable LD1117ASTR (this variant), VOUT is programmed via the ADJ divider from VREF = 1.25 V. Supplies up to 1 A; requires ≥10 µF for stability. The exposed TAB is internally tied to VOUT.",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-223.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 DC input supply. Absolute maximum DC input voltage 15 V. Must exceed VOUT by the dropout voltage (typ. 1.15 V at 1 A).",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-223.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    3.15,
    0.0
   ],
   "rot": 0.0,
   "size": [
    2.0,
    3.8
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "TAB",
   "type": "power_out",
   "description": "Thermal tab, internally connected to VOUT. Solder to a copper pour for heatsinking (SOT-223 RthJA = 110 °C/W).",
   "is_pin1": false,
   "source": {
    "geometry": "SOT-223.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}