component
BL1117-18CX
Public Made by Adomby adom
BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. 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)
95e0447
2mo ago
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{
"schema": "adom.pads/1",
"slug": "bl1117-18cx",
"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": "GND",
"type": "power_in",
"description": "Ground / common return for the regulator. Also serves as the reference node for the internal bandgap and feedback network. The SOT-223 tab is electrically connected to this pin and should be soldered to a copper pour to improve heat dissipation (θJC ≈ 20°C/W).",
"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 1.8V output (1.764V-1.836V over 0≤Iout≤1A, Vin=3.8V). Requires a 10µF tantalum or MLCC output capacitor for stability; ESR range 3mΩ-22Ω. Maximum continuous load current is 1A subject to thermal limits.",
"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 range up to 12V (absolute max 15V). Must be at least Vout + Vdropout (≈1.3V at 1A). A 10µF tantalum or MLCC bypass capacitor to GND is recommended at this pin.",
"is_pin1": false,
"source": {
"geometry": "SOT-223-3_TabPin2.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}