component
AMS1117-2.5V
Public Made by Adomby adom
MSKSEMI 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)
ce2c3d2
2mo ago
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{
"schema": "adom.pads/1",
"slug": "ams1117-2-5v",
"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 / VSS reference pin. On the fixed 2.5 V version this pin is the device ground return (the datasheet labels the pin 'VSS/ADJ' because the same silicon is used for the adjustable variant, where it becomes the ADJ feedback input).",
"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 2.5 V output (typ. 2.5 V, min 2.45 V, max 2.55 V at Vin=3.8 V, 0 ≤ Iout ≤ 1 A). Requires a ~10 uF tantalum output capacitor for stability.",
"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 input voltage. For the 2.5 V variant, Vin must be ≥ 3.8 V for full regulation (dropout ~1.3 V @ 1 A). Absolute maximum input voltage is 18 V; recommended maximum operating input is 15 V. Requires a ~10 uF tantalum bypass capacitor.",
"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": "VOUT",
"type": "power_out",
"description": "Regulated 2.5 V output; electrically connected to pin 2. This is the large tab pad on the SOT-223 package and also serves as the primary thermal path to the PCB copper pour.",
"is_pin1": false,
"source": {
"geometry": "SOT-223.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}