component
78M08
Public Made by Adomby adom
UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. 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)
4136ee3
2mo ago
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{
"schema": "adom.pads/1",
"slug": "78m08",
"footprint": "TO-252-2",
"generated_from": {
"footprint": "TO-252-2@sha256:18c28e5e147d5e9b",
"pins": "page.json:component.pins",
"overrides": null
},
"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"
],
"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": "INPUT",
"type": "power_in",
"description": "Unregulated positive DC input. Recommended input capacitor Ci = 0.33 uF near the pin. Absolute-maximum V_I = 35 V (for V_O = 5..18 V variants). Typical operating input for 78M08 is Vi = 14 V (range 10.5..25 V).",
"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": "2",
"name": "GND",
"type": "power_in",
"description": "Common ground reference for input and output. On TO-252 and SOT-223 the exposed metal tab is electrically tied to GND and provides the primary thermal path (theta_JC = 12.5 C/W TO-252, 15 C/W SOT-223).",
"is_pin1": false,
"source": {
"geometry": "TO-252-2.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"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": "OUTPUT",
"type": "power_out",
"description": "Regulated +8 V output (7.68..8.32 V at 25 C, I_O = 350 mA). Sourcing up to 1 A DC (typ. short-circuit current 800 mA, peak current 1300 mA). Recommended output capacitor Co = 0.1 uF near the pin for stability.",
"is_pin1": false,
"source": {
"geometry": "TO-252-2.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}