component
FS1117-3V3-2AF
Public Made by Adomby adom
FOSAN Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "FS1117-3V3-2AF",
"brief": "FOSAN Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"manufacturer": "FOSAN",
"package": "SOT-89-3L",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5619c1e8b4b316c8d272ea567568c789.pdf",
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"distributor_links": {
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},
"distributor_check": {
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"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "Vss/Adj",
"type": "power_in",
"description": "Vss/Adj is the ground/adjust terminal; the datasheet gives adjust pin current Iadj of 120 uA typical at IO=10mA and adjust current change of 5 uA at 1.5V<VI-VO<12V and IO=10mA."
},
{
"number": "2",
"name": "Vo",
"type": "power_out",
"description": "Vo is the regulated output, specified for the 1117-3.3 version at 3.3 V nominal with 3.234 V to 3.366 V over 10mA<IO<1A and 5V<VI<12V."
},
{
"number": "3",
"name": "Vi",
"type": "power_in",
"description": "Vi is the input, with an absolute maximum rating of 15 V and a 5V<VI<12V operating range for the 1117-3.3 version, with dropout of 1.1 V typical and 1.3 V maximum at IO=1A."
}
],
"provenance": {
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"primary_model": "claude-haiku-5-5",
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"guards": "pin_guards 0.1: passed",
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"extractor flagged: The datasheet covers the FS1117-xxx-2AF family and gives no separate pinout for each variant. Pin ma; The MPN FS1117-3V3-2AF is not spelled out in the datasheet. The 3.3 V electrical data matches the '1; Pin 1 is printed as 'Vss/Adj' and the datasheet does not state whether it is ground or an adjust inp"
],
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"cost_usd": 0.0171,
"at": "2026-10-21T10:08:45"
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"pages": 4,
"sha256": "a10b2a24826359fa",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
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"checked": "2026-10-21",
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"metadata": {
"specs": {
"Manufacturer": "FOSAN",
"Package": "SOT-89-3L",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
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"rows": [
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"name": "Output Voltage (1117-3.3), IO=10mA, VI=5V",
"symbol": "VO",
"kind": "electrical",
"unit": "V",
"min": 3.251,
"typ": 3.3,
"max": 3.35,
"conditions": "IO=10mA VI=5V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Voltage (1117-3.3), 10mA<IO<1A, 5V<VI<12V",
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"kind": "electrical",
"unit": "V",
"min": 3.234,
"typ": 3.3,
"max": 3.366,
"conditions": "10mA<IO<1A 5V<VI<12V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Line Regulation (1117-3.3)",
"symbol": "LNR",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 1,
"max": 7,
"conditions": "IO=10mA 1.5V<VI-VO<8.7V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Load Regulation (1117-3.3)",
"symbol": "LDR",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": null,
"max": 13.2,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.1,
"max": 1.3,
"conditions": "ΔVR=1% IO=1A",
"source_page": 2,
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{
"name": "Adjust Pin Current",
"symbol": "Iadj",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
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"conditions": "IO=10mA",
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},
{
"name": "Adjust Current Change",
"symbol": "ΔIadj",
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"conditions": "1.5<VI-VO<12 IO=10mA",
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},
{
"name": "Min Load Current",
"symbol": "IL",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 7,
"conditions": "VI=5V Vadj=0V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "Iq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 5,
"conditions": "VI=VO+1.25",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Temperature Stability",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Long Term Stability",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "TA=125℃ 1000hrs",
"source_page": 2,
"source": "datasheet"
},
{
"name": "RMS Output Noise (% of Vout)",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": null,
"max": 0.003,
"conditions": "TA=125℃",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Shutdown Hysteresis",
"symbol": "",
"kind": "thermal",
"unit": "℃",
"min": null,
"typ": null,
"max": 25,
"conditions": "",
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{
"name": "Input Voltage",
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{
"name": "Operating Current",
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{
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"unit": "℃/W",
"min": null,
"typ": null,
"max": 250,
"conditions": "",
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},
{
"name": "Solder Temperature",
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"min": null,
"typ": null,
"max": 260,
"conditions": "",
"source_page": 1,
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},
{
"name": "Solder Time",
"symbol": "Td",
"kind": "absolute_maximum",
"unit": "S",
"min": null,
"typ": null,
"max": 10,
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"source_page": 1,
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{
"name": "Operating Ambient Temperature",
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"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 85,
"conditions": "",
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},
{
"name": "Junction and Storage Temperature",
"symbol": "TJ,Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
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}
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