component
78M12
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.
← Commit history
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
2 files changed
+116−1
package.json+2−1@@ -24,6 +24,7 @@ "docs/hero.png", "docs/78m12-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ] }
pads.jsonadded+114@@ -0,0 +1,114 @@+{+ "schema": "adom.pads/1",+ "slug": "78m12",+ "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,+ "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 supply. Absolute maximum 35V (up to 40V on 24V variant); recommended input range for the 12V option is ~14.5V to 27V (dropout ~2V typ at 500mA). A 0.33uF ceramic bypass capacitor to GND is required close to this 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 input and output. In the TO-252/SOT-223 package this pin is bonded to the tab / thermal pad and is the primary thermal path (θJC = 12.5 °C/W for TO-252, 15 °C/W for 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 +12V DC output, 11.52 V to 12.48 V at 25°C (Io = 5 mA to 350 mA, Vi = 19V). Sources up to 1A continuous; internally current-limited (Isc ≈ 800 mA at Vi = 35V) and thermally protected. A 0.1uF output capacitor is recommended for stability.",+ "is_pin1": false,+ "source": {+ "geometry": "TO-252-2.kicad_mod",+ "meaning": "page.json:component.pins",+ "correspondence": "kicad: symbol pin number == pad name"+ }+ }+ ]+}