component
LM1117MPX-18NOPB
Public Made by Adomby adom
onsemi Linear Voltage Regulators (LDO), SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "lm1117mpx-18nopb",
"title": "LM1117MPX-18NOPB",
"brief": "onsemi Linear Voltage Regulators (LDO), SOT-223. 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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"component": {
"mpn": "LM1117MPX-18NOPB",
"manufacturer": "onsemi",
"package": "SOT-223",
"pin_count": 3,
"category": "Power Management ICs",
"subcategory": "Linear Voltage Regulators (LDO)",
"datasheet": "https://www.onsemi.com/pdf/datasheet/lm1117mpx-18nopb-d.pdf",
"parts": {
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"lbr": "lm1117mpx-18nopb.lbr"
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"distributor_links": {
"lcsc": "C2902256",
"digikey": "488-LM1117MPX-18NOPBTR-ND",
"mouser": "863-LM1117MPX-18NOPB"
},
"distributor_check": {
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"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "488-LM1117MPX-18NOPBTR-ND",
"status": "found",
"lifecycle": "Active"
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"mouser": {
"pn": "863-LM1117MPX-18NOPB",
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},
"pins": [
{
"number": "1",
"name": "Adjust/Ground",
"type": "power_in",
"description": "Pin 1 is the ground return for the fixed 1.8 V output; on adjustable devices it is the adjust pin, where Iadj is typically 52 µA and at most 120 µA (Vin = 11.25 V, Iout = 800 mA)."
},
{
"number": "2",
"name": "Output",
"type": "power_out",
"description": "Regulated output, with output current limit of 1000 mA min, 1500 mA typ and 2200 mA max, and the device must not exceed 1.0 A when Vin is greater than 12 V; the heatsink tab is connected to this pin."
},
{
"number": "3",
"name": "Input",
"type": "power_in",
"description": "Unregulated input supply, with an absolute maximum input voltage of 20 V and a dropout of 1.2 V maximum at 800 mA (Vin − Vout)."
}
],
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"extractor flagged: Pin 1 is labeled 'Adjust/Ground' in the datasheet. It is typed power_in as the ground return for the; The heatsink tab is stated to be connected to Pin 2, but the tab is not a separately numbered pin in; Pin numbers are taken from the datasheet's SOT-223 pin list (1, 2, 3). The package drawing and pin-n"
],
"pages_sent": 13,
"cost_usd": 0.064,
"at": "2026-10-29T02:28:48"
},
"datasheet": {
"url": "https://www.onsemi.com/pdf/datasheet/lm1117mpx-18nopb-d.pdf",
"pages": 13,
"sha256": "d4a212fd6b43e65e",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
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"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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6.5,
1.7
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
"checked": "2026-10-29",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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},
"metadata": {
"specs": {
"Manufacturer": "onsemi",
"Package": "SOT-223",
"Category": "Power Management ICs",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "Output Voltage, Fixed Output Devices, 1.8 V",
"symbol": "Vout",
"kind": "tolerance",
"unit": "V",
"min": 1.782,
"typ": 1.8,
"max": 1.818,
"conditions": "Vin = 3.8 V, Iout = 10 mA, TA = 25 °C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage, Fixed Output Devices, 1.8 V",
"symbol": "Vout",
"kind": "tolerance",
"unit": "V",
"min": 1.755,
"typ": null,
"max": 1.845,
"conditions": "Vin = 3.2 V to 11.8 V, Iout = 0 mA to 800 mA (Note 4)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "Vin−Vout",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.95,
"max": 1.1,
"conditions": "Measured at Vout − 100 mV, Iout = 100 mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "Vin−Vout",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.01,
"max": 1.15,
"conditions": "Measured at Vout − 100 mV, Iout = 500 mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "Vin−Vout",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.07,
"max": 1.2,
"conditions": "Measured at Vout − 100 mV, Iout = 800 mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Current Limit",
"symbol": "Iout",
"kind": "electrical",
"unit": "mA",
"min": 1000,
"typ": 1500,
"max": 2200,
"conditions": "Vin−Vout = 5.0 V, TA = 25°C, Note 6",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Line Regulation, 1.8 V",
"symbol": "Regline",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 0.4,
"max": 1,
"conditions": "Vin = 3.2 V to 11.8 V, Iout = 0 mA (Note 5)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation, 1.8 V",
"symbol": "Regline",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 2.6,
"max": 6,
"conditions": "Iout = 0 mA to 800 mA, Vin = 3.2 V (Note 5)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent Current, 1.8 V",
"symbol": "IQ",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 4.2,
"max": 10,
"conditions": "Vin = 11.8 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal Regulation",
"symbol": "",
"kind": "electrical",
"unit": "%/W",
"min": null,
"typ": 0.01,
"max": 0.1,
"conditions": "TA = 25°C, 30 ms Pulse",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Ripple Rejection, 1.8 V",
"symbol": "RR",
"kind": "electrical",
"unit": "dB",
"min": 66,
"typ": null,
"max": 70,
"conditions": "Vin−Vout = 6.4 V, Iout = 500 mA, 10 Vpp 120 Hz Sinewave",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Voltage",
"symbol": "Vin",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 20,
"conditions": "Note 1",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Die Junction Temperature Range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Ambient Temperature Range (LM1117)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": 0,
"typ": null,
"max": 125,
"conditions": "LM1117 grade (not LM1117I)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction-to-Ambient, Minimum Size Pad",
"symbol": "RJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 160,
"max": null,
"conditions": "Minimum size pad",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance, Junction-to-Case",
"symbol": "RJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 15,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
}
]
}
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"email": "[email protected]"
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