component
LM317MDT-MS
Public Made by Adomby adom
MSKSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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"source": "Component Ocean /api/assign-pns",
"digikey": {
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"status": "no match"
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"mouser": {
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"pins": [
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"number": "1",
"name": "ADJ",
"type": "input",
"description": "Adjust pin (Vadj) connected to the internal 1.25V reference; adjustable pin current is 46 µA typical and 100 µA maximum."
},
{
"number": "2",
"name": "OUT",
"type": "power_out",
"description": "Regulated output, adjustable from 1.2 to 37V and supplying more than 1.5A of load current with internal current limiting and thermal shutdown."
},
{
"number": "3",
"name": "IN",
"type": "power_in",
"description": "Unregulated input voltage; the input-output voltage differential must not exceed 40V."
}
],
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"guards": "pin_guards 0.1: passed",
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"extractor flagged: The SOT-252 pin drawing labels pin 3 as 'VOUT', but the block diagram shows pin 3 as Input and pin 2; The drawing labels the metal tab OUT, so it is electrically the output and is tied to pin 2. The dat; The drawing shows pin positions by name only, with no printed numbers. I took the numbers from the b",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 7,
"cost_usd": 0.2153,
"at": "2026-11-04T18:44:43"
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"sha256": "bd35eea1daa65338",
"source_tier": "lcsc"
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"cites_pages": true,
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3eb4c99603a4fe837c2fe9308bc174769ded87a785a0df48d2dc441432ee8b4c",
"checked": "2026-11-04",
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},
{
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"D": {
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"range_mm": [
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6.7
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"E1": {
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},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
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"verdict": "PASS",
"reasons": [
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"metadata": {
"specs": {
"Manufacturer": "MSKSEMI",
"Package": "TO-252",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
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"name": "Input-Output Voltage Differential",
"symbol": "VI-VO",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 40,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Lead Temperature",
"symbol": "TLEAD",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 230,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature Range",
"symbol": "TJ",
"kind": "absolute_maximum",
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"min": 0,
"typ": null,
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{
"name": "Storage Temperature Range",
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"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
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{
"name": "Temperature Coefficient of Output Voltage",
"symbol": "ΔVO/ΔT",
"kind": "temperature_coefficient",
"unit": "%/℃",
"min": -0.02,
"typ": null,
"max": 0.02,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "Rline",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.01,
"max": 0.04,
"conditions": "TA=25℃, 3V≤VI-VO≤40V",
"source_page": 3,
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},
{
"name": "Line Regulation",
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"kind": "electrical",
"unit": "%/V",
"min": null,
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"max": 0.07,
"conditions": "3V≤VI-VO≤40V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Rload",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 18,
"max": 25,
"conditions": "TA=25℃, 10mA≤IO≤IMAX, VO<5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Rload",
"kind": "electrical",
"unit": "%VO",
"min": null,
"typ": 0.4,
"max": 0.5,
"conditions": "TA=25℃, 10mA≤IO≤IMAX, VO≥5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Rload",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 40,
"max": 70,
"conditions": "10mA≤IO≤IMAX, VO<5V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "Rload",
"kind": "electrical",
"unit": "%VO",
"min": null,
"typ": 0.8,
"max": 1.5,
"conditions": "10mA≤IO≤IMAX, VO≥5V",
"source_page": 3,
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},
{
"name": "Adjustable Pin Current",
"symbol": "ADJ",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 46,
"max": 100,
"conditions": "",
"source_page": 3,
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},
{
"name": "Adjustable Pin Current Change",
"symbol": "ΔlADJ",
"kind": "electrical",
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"min": null,
"typ": 2,
"max": 5,
"conditions": "3V≤VI-VO≤40V, 10mA≤IO≤IMAX, PD≤PMAX",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Reference Voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 1.2,
"typ": 1.25,
"max": 1.3,
"conditions": "3V≤VIN-VO≤40V, 10mA≤IO≤IMAX, PD≤PMAX",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Temperature Stability",
"symbol": "STT",
"kind": "electrical",
"unit": "%/ VO",
"min": null,
"typ": 0.7,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Minimum Load Current to Maintain Regulation",
"symbol": "IL(MIN)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3.5,
"max": 12,
"conditions": "VI-VO=40V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "RMS Noise, % of VOUT",
"symbol": "N",
"kind": "electrical",
"unit": "%/ VO",
"min": null,
"typ": 0.003,
"max": 0.01,
"conditions": "TA=25℃, 10Hz≤f≤10KHz",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Long-Term Stability",
"symbol": "ST",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.3,
"max": 1,
"conditions": "TJ=THIGH; TA=25℃ for end point mesasurements, 1000 HR",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction to Case",
"symbol": "RθJC",
"kind": "thermal",
"unit": "℃/W",
"min": null,
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]
}
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"email": "[email protected]"
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