component
LM2575S-5.0
Public Made by Adomby adom
UMW DC-DC Converters, TO-263-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
add symbol pin "6" for the exposed thermal pad: the footprint carries the pad and the symbol had none, so it reached no…
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{
"schema": "adom.pads/1",
"slug": "lm2575s-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": "Input supply voltage. Accepts 7V to 40V for the 5.0V fixed-output LM2575 (up to 60V for LM2575HV). Bypass locally with a 680 uF (or similar) low-ESR aluminum electrolytic to GND.",
"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": "Output",
"type": "output",
"description": "Switching output from the internal 2A power switch. Connects to the external catch diode (e.g. 1N5824 Schottky) to GND and to the output inductor (typ. 33 uH) that feeds the load and output capacitor.",
"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": "Device ground reference. Also serves as the thermal path; on the TO-263 package this pin is fused to the tab/heat slug and should tie to a copper pour for heat sinking.",
"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": "Output voltage feedback sense input. For the fixed 5.0V version, connect directly to the regulated 5.0V output node (downstream of the inductor and output capacitor) so the internal reference regulates VOUT to 5V.",
"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": "Active-low TTL-compatible shutdown input. Pull low or leave floating for normal operation; drive high (up to VIN, absolute-max VIN, min -0.3V) to enter low-power standby mode (IQ typ. 50 uA).",
"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"
}
}
]
}