component
BL1117-33CY
Public Made by Adomby adom
BL Shanghai Belling Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2(DPAK). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
pinmap.json: symbol pin 4 (Vout(Tab)) lands on pad 2. On a DPAK the tab IS the middle lead, so the footprint gives it t…
7c6a2fb
2mo ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120
{
"schema": "adom.pads/1",
"slug": "bl1117-33cy",
"footprint": "TO-252-2",
"generated_from": {
"footprint": "TO-252-2@sha256:18c28e5e147d5e9b",
"pins": "page.json:component.pins",
"overrides": "pinmap.json"
},
"pin1": {
"pad": "1",
"at": [
-5.04,
-2.28
],
"corner": "top-left",
"source": "silk-marker",
"derived_from": "TO-252-2@sha256:18c28e5e147d5e9b"
},
"pad_count": 3,
"symbol_pins": [
"1",
"2",
"3",
"4"
],
"paste_apertures": 4,
"issues": [],
"pads": [
{
"pad": "1",
"kind": "smd",
"shape": "roundrect",
"at": [
-5.04,
-2.28
],
"rot": 0.0,
"size": [
2.2,
1.2
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "1",
"name": "GND",
"type": "power_in",
"description": "Ground / device reference. Return path for quiescent current (typ. 2mA, max 5mA) and load current up to 1A. Connect directly to the system ground plane.",
"is_pin1": true,
"source": {
"geometry": "TO-252-2.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "2",
"kind": "smd",
"shape": "roundrect",
"at": [
1.26,
0.0
],
"rot": 0.0,
"size": [
6.4,
5.8
],
"layers": [
"F.Cu",
"F.Mask"
],
"thermal": false,
"pin": "4",
"name": "Vout(Tab)",
"type": "power_out",
"description": "Exposed metal tab of the TO-252 (DPAK) package. Electrically fused to pin 2 (Vout) as is standard for this device family. Solder to a large copper pour to sink heat (θJC ≈ 10°C/W); this is the primary heat-dissipation path.",
"is_pin1": false,
"source": {
"geometry": "TO-252-2.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "pinmap.json (declared)"
}
},
{
"pad": "3",
"kind": "smd",
"shape": "roundrect",
"at": [
-5.04,
2.28
],
"rot": 0.0,
"size": [
2.2,
1.2
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "3",
"name": "Vin",
"type": "power_in",
"description": "Unregulated input supply. Operating range up to 12V (absolute max 15V). Must be ≥ Vout + 1.3V dropout at 1A. Bypass with a 10µF tantalum or MLCC capacitor as close to the pin as possible.",
"is_pin1": false,
"source": {
"geometry": "TO-252-2.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}