component
LD1117-1.2
Public Made by Adomby adom
UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. 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)
a1f57d8
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{
"schema": "adom.pads/1",
"slug": "ld1117-1-2",
"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": "ADJ/GND",
"type": "power_in",
"description": "Ground return for fixed-output versions (LD1117-1.2 ties this pin to system ground). On adjustable variants this is the ADJ feedback node driven by the external R1/R2 divider; adjust-pin current is typically 60 uA (max 120 uA).",
"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 1.2 V output (min 1.176 V, max 1.224 V at Iout = 10 mA, Vin = 3.2 V, Tj = 25 C). Sources up to 1 A; requires a 22 uF tantalum (or equivalent) output capacitor for stability. Internally protected by current limit (1.25-1.6 A) 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. Recommended operating input voltage up to 12 V; absolute maximum 18 V. Bypass with a 10 uF capacitor close to the pin. Vin must exceed Vout by at least the dropout voltage (typ 1.2 V at 1 A).",
"is_pin1": false,
"source": {
"geometry": "SOT-223-3_TabPin2.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}