component
LM2576R-5.0
Public Made by Adomby adom
HTC Korea TAEJIN Tech LM2576R 5 0 DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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add symbol pin "6" for the exposed thermal pad: the footprint carries the pad and the symbol had none, so it reached no…
9e5407d
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{
"schema": "adom.pads/1",
"slug": "lm2576r-5-0",
"footprint": "TO-263-5_TabPin6",
"generated_from": {
"footprint": "TO-263-5_TabPin6@sha256:77e8ff2d643255fc",
"pins": "page.json:component.pins",
"overrides": null
},
"pin1": {
"pad": "1",
"at": [
-7.65,
-3.4
],
"corner": "top-left",
"source": "silk-marker",
"derived_from": "TO-263-5_TabPin6@sha256:77e8ff2d643255fc"
},
"pad_count": 6,
"symbol_pins": [
"1",
"2",
"3",
"4",
"5",
"6"
],
"paste_apertures": 4,
"issues": [],
"pads": [
{
"pad": "1",
"kind": "smd",
"shape": "roundrect",
"at": [
-7.65,
-3.4
],
"rot": 0.0,
"size": [
4.6,
1.1
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "1",
"name": "VIN",
"type": "power_in",
"description": "Positive input supply for the LM2576 step-down switching regulator. Operating range 8V-40V for the 5.0V version; absolute maximum 45V. Requires an input bypass capacitor (Cin) to minimize voltage transients and supply switching currents.",
"is_pin1": true,
"source": {
"geometry": "TO-263-5_TabPin6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "2",
"kind": "smd",
"shape": "roundrect",
"at": [
-7.65,
-1.7
],
"rot": 0.0,
"size": [
4.6,
1.1
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "2",
"name": "VOUT",
"type": "output",
"description": "Emitter of the internal switching transistor. Delivers up to 3.0A switched output; typical switch saturation voltage VSAT ≈ 1.5V. PCB copper area on this node should be minimized to reduce coupling to sensitive circuitry.",
"is_pin1": false,
"source": {
"geometry": "TO-263-5_TabPin6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "3",
"kind": "smd",
"shape": "roundrect",
"at": [
-7.65,
0.0
],
"rot": 0.0,
"size": [
4.6,
1.1
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "3",
"name": "GND",
"type": "power_in",
"description": "Circuit ground pin. Return for the internal control circuitry and reference. Layout should provide a low-impedance return path (see application PCB layout guidance).",
"is_pin1": false,
"source": {
"geometry": "TO-263-5_TabPin6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "4",
"kind": "smd",
"shape": "roundrect",
"at": [
-7.65,
1.7
],
"rot": 0.0,
"size": [
4.6,
1.1
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "4",
"name": "FEEDBACK",
"type": "input",
"description": "Senses the regulated output voltage to close the control loop. Internally divided (R2/R1) and applied to the internal error amplifier; nominal regulation to 5.0V ±4% on the fixed 5.0V version.",
"is_pin1": false,
"source": {
"geometry": "TO-263-5_TabPin6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "5",
"kind": "smd",
"shape": "roundrect",
"at": [
-7.65,
3.4
],
"rot": 0.0,
"size": [
4.6,
1.1
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "5",
"name": "ON/OFF",
"type": "input",
"description": "TTL-level shutdown input. Threshold typically 1.4V: voltage above this (up to +Vin) shuts the regulator off, dropping supply current to ~80µA; below 1.4V or left open, the regulator is on. Allowed range -0.3V ≤ V ≤ +Vin.",
"is_pin1": false,
"source": {
"geometry": "TO-263-5_TabPin6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "6",
"kind": "smd",
"shape": "roundrect",
"at": [
1.5,
0.0
],
"rot": 0.0,
"size": [
9.4,
10.8
],
"layers": [
"F.Cu",
"F.Mask"
],
"thermal": false,
"pin": "6",
"name": "TAB",
"type": "power_in",
"description": "Exposed thermal pad. Present in the package land pattern; connect it per the manufacturer datasheet thermal recommendation. Added because the footprint carries this pad and the symbol had no pin for it.",
"is_pin1": false,
"source": {
"geometry": "TO-263-5_TabPin6.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}