component
LR1117DS50X
Public Made by Adomby adom
LRC Linear Voltage Regulators (LDO), SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "LR1117DS50X",
"brief": "LRC Linear Voltage Regulators (LDO), SOT-223-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
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"source": "Component Ocean /api/assign-pns",
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"status": "quota"
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"mouser": {
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"name": "Gnd",
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"description": "Ground pin of the fixed-output (5.0V) version."
},
{
"number": "2",
"name": "Vout",
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"description": "Regulated 5.0V output (±2%) delivering up to 1A, with a recommended 10uF output capacitor."
},
{
"number": "3",
"name": "Vin",
"type": "power_in",
"description": "Input supply, absolute maximum 18V and recommended maximum 15V, with a recommended 10uF input capacitor."
},
{
"number": "4",
"name": "EP",
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"extractor flagged: The package hint is SOT-223-4, but the pin table lists only 3 pins. The datasheet text does not desc; The Vin absolute maximum is garbled in the extracted text. It reads '1ϴVc', which I read as 18V. The; The MPN LR1117DS50X was decoded as series LR1117D, package S (SOT-223), output 50 (5.0V) and X (Pb-f"
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"sha256": "7767140cf4053e81",
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 4,
"described": 4,
"cites_pages": true,
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"checked": "2026-10-22",
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"metadata": {
"specs": {
"Manufacturer": "LRC",
"Package": "SOT-223-4",
"Category": "Power Management ICs",
"Pins": "4"
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"name": "Output Voltage",
"symbol": "Vout",
"kind": "electrical",
"unit": "V",
"min": 4.9,
"typ": 5,
"max": 5.1,
"conditions": "LR1117D-5.0V, 0≤Iout≤1A, Vin=7.0V, Tj=25°C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "ΔVout",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 9,
"max": 36,
"conditions": "LR1117D-5.0V, Vin=6.5V, 10mA≤Iout≤1A",
"source_page": 3,
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{
"name": "Dropout Voltage",
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"min": null,
"typ": 1.15,
"max": 1.4,
"conditions": "Iout=100mA",
"source_page": 4,
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},
{
"name": "Dropout Voltage",
"symbol": "Vdrop",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.2,
"max": 1.4,
"conditions": "Iout=1A",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Quiescent Current",
"symbol": "Iq",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 5,
"conditions": "LR1117D-5.0V, Vin=12V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Temperature coefficient",
"symbol": "ΔV/ΔT",
"kind": "temperature_coefficient",
"unit": "ppm",
"min": -100,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply Voltage Rejection",
"symbol": "SVR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 60,
"max": null,
"conditions": "f = 120Hz, VIN - VOUT = 3V + 1VPP Ripple",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current Limit",
"symbol": "Ilimit",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 1,
"max": null,
"conditions": "Vin-Vout=1.5V, Tj=25°C",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Max Input Voltage",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 18,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Max Operating Junction Temperature",
"symbol": "Tj",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "Ts",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
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"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Lead Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "10s",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Voltage Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 15,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature",
"symbol": "Tj",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Environment Temperature",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction-to-Case",
"symbol": "TJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 20,
"max": null,
"conditions": "SOT-223",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction-to-Ambient",
"symbol": "TJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 136,
"max": null,
"conditions": "SOT-223 (No heat sink), no air flow",
"source_page": 4,
"source": "datasheet"
}
]
}
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