component
LP3220SAB5F
Public Made by Adomby adom
LOWPOWER DC-DC Converters, SOT-23-5. 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)
04879b1
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{
"schema": "adom.pads/1",
"slug": "lp3220sab5f",
"footprint": "SOT-23-5",
"generated_from": {
"footprint": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
"pins": "page.json:component.pins",
"overrides": null
},
"pin1": {
"pad": "1",
"at": [
-1.1375,
-0.95
],
"corner": "top-left",
"source": "silk-marker",
"derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8"
},
"pad_count": 5,
"symbol_pins": [
"1",
"2",
"3",
"4",
"5"
],
"paste_apertures": 0,
"issues": [],
"pads": [
{
"pad": "1",
"kind": "smd",
"shape": "roundrect",
"at": [
-1.1375,
-0.95
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "1",
"name": "EN",
"type": "input",
"description": "Enable pin, active high. Pull high (VEN(H) >= 1.4V) to enable the converter; pull low (VEN(L) <= 0.4V) to force the device into low-power shutdown (<1uA total input current). Input low current 1uA max at VEN=5V.",
"is_pin1": true,
"source": {
"geometry": "SOT-23-5.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "2",
"kind": "smd",
"shape": "roundrect",
"at": [
-1.1375,
0.0
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "2",
"name": "GND",
"type": "power_in",
"description": "Device ground. Return for internal control circuitry and the low-side synchronous rectifier MOSFET source. Must be tied to the system ground plane with low-impedance connection.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-5.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "3",
"kind": "smd",
"shape": "roundrect",
"at": [
-1.1375,
0.95
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "3",
"name": "LX",
"type": "output",
"description": "Switch node connection to the external inductor. Connects to the drains of the internal main P-channel and synchronous N-channel power MOSFETs. Absolute max 8.0V to GND; keep trace short to minimize EMI.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-5.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "4",
"kind": "smd",
"shape": "roundrect",
"at": [
1.1375,
0.95
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "4",
"name": "VIN",
"type": "power_in",
"description": "Supply input, 2.2V to 5.5V (abs max 8.0V). Powers the internal control circuitry and the high-side P-channel MOSFET drain. Must be closely decoupled to GND with a 10uF or greater ceramic capacitor.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-5.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
},
{
"pad": "5",
"kind": "smd",
"shape": "roundrect",
"at": [
1.1375,
-0.95
],
"rot": 0.0,
"size": [
1.325,
0.6
],
"layers": [
"F.Cu",
"F.Mask",
"F.Paste"
],
"thermal": false,
"pin": "5",
"name": "FB/Vout",
"type": "input",
"description": "Feedback input. On the adjustable LP3220SAB5F variant this pin senses the divided output voltage against the internal 0.6V reference (VOUT = 0.6V x (1 + R1/R2)). On fixed-voltage variants (-12/-18/-33) this pin is tied directly to VOUT for internal feedback.",
"is_pin1": false,
"source": {
"geometry": "SOT-23-5.kicad_mod",
"meaning": "page.json:component.pins",
"correspondence": "kicad: symbol pin number == pad name"
}
}
]
}