component
LM4040C25FTA-TP
Public Made by Adomby adom
TECH PUBLIC Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
main
Ray
Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout")
46840ca
7d ago
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"title": "LM4040C25FTA-TP",
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"package": "SOT-23",
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"category": "PMIC",
"subcategory": "Voltage Reference",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/db21cdeb81946a48099cc24b66292289.pdf",
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},
"pins": [
{
"number": "1",
"name": "CATHODE",
"type": "passive",
"description": "Cathode (+) of the shunt voltage reference. Connect through a series resistor RS to the supply so that reverse current stays between IRMIN (45 µA typ, 65 µA max) and 15 mA. Regulates to VR = 2.5 V (±0.5%) with respect to ANODE."
},
{
"number": "2",
"name": "ANODE",
"type": "passive",
"description": "Anode (−) of the shunt voltage reference. Normally tied to circuit ground; the 2.5 V reference voltage appears between CATHODE and this pin."
},
{
"number": "3",
"name": "NC",
"type": "passive",
"description": "No internal connection to the reference circuit; pin is attached to the die substrate. Must be either left open or connected to ANODE - do not tie to CATHODE or to any other node."
}
],
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"extractor": "ds2sf",
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/db21cdeb81946a48099cc24b66292289.pdf",
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"pin1": {
"pad": "1",
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"corner": "top-left",
"source": "silk-marker",
"derived_from": "SOT-23@sha256:0d88c86c1b6d8c1a",
"mark": "drawn"
}
},
"metadata": {
"specs": {
"Manufacturer": "TECH PUBLIC",
"Package": "SOT-23",
"Category": "PMIC",
"Pins": "3"
}
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"discovery_pitch": "LM4040C25FTA-TP (TECH PUBLIC) component page with datasheet-verified CAD.",
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"email": "[email protected]"
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"variants": [
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"updated_at": "2026-09-28T16:51:52.579Z"
}