component
LD1117S12TR
Public Made by Adomby adom
STMicroelectronics Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
fix footprint: SOT-223-3_TabPin2 -> SOT-223 (symbol has pins 1,2,3,4; the old footprint left pad(s) with no net)
3d986ab
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{
"schema": "adom.pads/1",
"slug": "ld1117s12tr",
"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": "GND",
"type": "power_in",
"description": "Ground / common return. Reference for the internal 1.25 V bandgap and the fixed 1.2 V output.",
"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 1.2 V output. Supplies up to 800 mA. Requires a minimum 10 µF capacitor to ground for loop stability. Internally connected to the SOT-223 tab.",
"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 15 V (18 V when IOUT < 20 mA). Must be at least ~1 V above VOUT for regulation. A 100 nF bypass capacitor to GND is recommended.",
"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": "Metal tab used for heat sinking, internally connected to VOUT. Solder to a copper pour on the PCB to improve thermal dissipation.",
"is_pin1": false,
"source": {
"geometry": "SOT-223.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}