component
78D08L
Public Made by Adomby adom
UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252-2. 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)
a94eff6
2mo ago
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{
"schema": "adom.pads/1",
"slug": "78d08l",
"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 supply input. Absolute maximum V_I = 35 V (V_O ≤ 18 V variants). Recommended operating input range for the 78D08 is 10.5 V to 23 V (to guarantee regulation at 1 A) and up to 25 V per line-regulation spec. A 0.33 µF ceramic input bypass capacitor (C_IN) to GND is required close to the pin.",
"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 the regulator and its reference-voltage divider. On the TO-252 package this pin is electrically connected to the exposed tab/heat slug, which should be soldered to a copper pour for heat-sinking (θ_JC = 12.5 °C/W).",
"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 typ. at Tj=25°C, 7.6-8.4 V over I_O = 5 mA-1 A, V_I = 10.5-23 V). Delivers up to 1 A continuous (I_SC ≈ 800 mA, I_PK ≈ 1.3 A). Dropout voltage V_D ≈ 2 V at I_O = 500 mA. A 0.1 µF ceramic output capacitor (C_OUT) to GND is required for loop stability.",
"is_pin1": false,
"source": {
"geometry": "TO-252-2.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}