component
78L12
Public Made by Adomby adom
UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
e2796b3
2mo ago
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{
"schema": "adom.pads/1",
"slug": "78l12",
"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": "Output",
"type": "power_out",
"description": "Regulated +12V output. Delivers up to 100 mA (typ) with ~1.7 V dropout. Requires a ceramic bypass capacitor (CO=0.1 µF typ) to ground for 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. Also carries the quiescent current (~2 mA typ, 5.5 mA max).",
"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": "Input",
"type": "power_in",
"description": "Unregulated DC input. Absolute maximum 35 V (Vo≤18V variants). Recommended input capacitor C1=0.33 µF to ground for line-transient rejection. For the 78L12 the recommended operating input range is 14.5 V to 27 V.",
"is_pin1": false,
"source": {
"geometry": "SOT-89-3.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}