component
LT3090IDD#TRPBF
Public Made by Adomby adom
Analog Devices Linear Voltage Regulators (LDO), WDFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "LT3090IDD#TRPBF",
"brief": "Analog Devices Linear Voltage Regulators (LDO), WDFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"manufacturer": "Analog Devices",
"package": "WDFN-10-EP(3x3)",
"pin_count": 11,
"category": "Power Management ICs",
"subcategory": "Linear Voltage Regulators (LDO)",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3090fa.pdf",
"parts": {
"symbol": "lt3090idd-trpbf.kicad_sym",
"footprint": "lt3090idd-trpbf.kicad_mod",
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"lbr": "lt3090idd-trpbf.lbr"
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"distributor_links": {
"lcsc": "C670438",
"digikey": "505-LT3090IDD#TRPBFTR-ND",
"mouser": "584-LT3090IDD#TRPBF"
},
"distributor_check": {
"checked_at": "2026-10-31T04:02:47Z",
"source": "Component Ocean /api/assign-pns",
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},
"pins": [
{
"number": "1",
"name": "IN",
"type": "power_in",
"description": "Input pin that supplies power to the regulator; all IN pins must be tied together and the LT3090 requires an input bypass capacitor, typically 2.2µF to 4.7µF."
},
{
"number": "2",
"name": "IN",
"type": "power_in",
"description": "Input pin that supplies power to the regulator; all IN pins must be tied together and the LT3090 requires an input bypass capacitor, typically 2.2µF to 4.7µF."
},
{
"number": "3",
"name": "ILIM",
"type": "input",
"description": "Current limit programming pin where a resistor between ILIM and IN sets the limit with a nominal 10A•kΩ scale factor, and ILIM must not be driven more than 0.3V below IN."
},
{
"number": "4",
"name": "IMONP",
"type": "passive",
"description": "Positive current monitor pin that sources 1/2000 of output current through a resistor to GND, and must not be driven more than 0.3V below IN; tie to IN if unused."
},
{
"number": "5",
"name": "IMONN",
"type": "passive",
"description": "Negative current monitor pin that sinks 1/1000 of output current through a resistor to GND, must be at least 2V above IN and IMONP when used, and must not be driven more than 0.3V below IN; tie to GND if unused."
},
{
"number": "6",
"name": "SHDN",
"type": "input",
"description": "Bidirectional shutdown pin where the output is off within ±0.45V of GND and on beyond ±1.4V, with a maximum pin current of 7µA out (negative logic) or 30µA in (positive logic), and it must not be floated or driven more than 0.3V below IN."
},
{
"number": "7",
"name": "SET",
"type": "input",
"description": "Inverting error amplifier input and regulation setpoint that receives a precision 50µA current, where a resistor to GND programs the output voltage and the pin must not be driven more than 0.3V below IN."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground pin that supplies the quiescent current and NPN pass transistor drive current, and must not be driven more than 0.3V below IN."
},
{
"number": "9",
"name": "OUT",
"type": "power_out",
"description": "Output pin that supplies power to the load; all OUT pins should be tied together, with a minimum 4.7µF output capacitor of ESR less than 0.5Ω and a minimum 10µA load current for stability."
},
{
"number": "10",
"name": "OUT",
"type": "power_out",
"description": "Output pin that supplies power to the load; all OUT pins should be tied together, with a minimum 4.7µF output capacitor of ESR less than 0.5Ω and a minimum 10µA load current for stability."
},
{
"number": "11",
"name": "IN",
"type": "power_in",
"description": "Exposed backside pad that is an electrical connection to IN and the device substrate and must be soldered to the PCB for proper electrical and thermal performance."
}
],
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"primary_model": "claude-haiku-5-5",
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The DFN pin-number mapping was taken from the garbled 'Pin Configuration' text on page 2 and cross-c; The datasheet does not give ERC classes for ILIM, IMONP, IMONN, and SHDN explicitly. The types assig; The DD (3x3 DFN) package matches the package hint WDFN-10-EP(3x3), and the ordering code LT3090IDD#T"
],
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"at": "2026-10-31T04:02:27"
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"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/3090fa.pdf",
"pages": 36,
"sha256": "a02e3baeccf7ef6c",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 11,
"described": 11,
"cites_pages": true,
"refuses_to_fabricate": true
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"file": "lt3090idd-trpbf.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.02,
3,
0.75
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
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"checked": "2026-10-31",
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},
{
"file": "lt3090idd-trpbf-etched.step",
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],
"package_dims": {
"package_code": "DD",
"source_page": 33,
"e": {
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null,
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},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "lt3090idd-trpbf.step",
"verdict": "SKIP",
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}
}
},
"metadata": {
"specs": {
"Manufacturer": "Analog Devices",
"Package": "WDFN-10-EP(3x3)",
"Category": "Power Management ICs",
"Pins": "11"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "IN pin voltage with respect to GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -40,
"typ": null,
"max": 0.3,
"conditions": "Note 3; printed as '0.3V, –40V', sign of 0.3V not clear in extraction",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ILIM pin voltage with respect to IN pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.7,
"conditions": "with respect to IN pin (Note 3)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "IMONP pin voltage with respect to IN pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "with respect to IN pin (Note 3)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "IMONP pin voltage with respect to GND pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -40,
"typ": null,
"max": 20,
"conditions": "with respect to GND pin",
"source_page": 2,
"source": "datasheet"
},
{
"name": "IMONP pin voltage with respect to IMONN pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -40,
"typ": null,
"max": 20,
"conditions": "with respect to IMONN pin",
"source_page": 2,
"source": "datasheet"
},
{
"name": "IMONN pin voltage with respect to IN pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "with respect to IN pin (Note 3)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "IMONN pin voltage with respect to GND pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -40,
"typ": null,
"max": 20,
"conditions": "with respect to GND pin",
"source_page": 2,
"source": "datasheet"
},
{
"name": "SHDN pin voltage with respect to IN pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 55,
"conditions": "with respect to IN pin (Note 1, Note 3)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "SHDN pin voltage with respect to GND pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -40,
"typ": null,
"max": 20,
"conditions": "with respect to GND pin (Note 1)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "SET pin voltage with respect to IN pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 36,
"conditions": "with respect to IN pin (Note 3)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "SET pin voltage with respect to GND pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -36,
"typ": null,
"max": 36,
"conditions": "with respect to GND pin, printed ±36V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "SET pin current",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": -5,
"typ": null,
"max": 5,
"conditions": "Note 9, printed ±5mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "OUT pin voltage with respect to IN pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 36,
"conditions": "with respect to IN pin (Note 3)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "OUT pin voltage with respect to GND pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -36,
"typ": null,
"max": 36,
"conditions": "with respect to GND pin, printed ±36V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating junction temperature range (E-, I-Grade)",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "E-, I-Grade (Note 2)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum junction temperature",
"symbol": "TJMAX",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "DD package",
"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": "SET pin current (ISET), 25°C row",
"symbol": "ISET",
"kind": "electrical",
"unit": "µA",
"min": 49.5,
"typ": 50,
"max": 50.5,
"conditions": "VIN = –1.9V, ILOAD = 1mA, –36V < VIN < –1.9V, 1mA < ILOAD < 600mA (Note 5)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SET pin current (ISET), full operating temperature range",
"symbol": "ISET",
"kind": "electrical",
"unit": "µA",
"min": 49,
"typ": 50,
"max": 51,
"conditions": "VIN = –1.9V, ILOAD = 1mA, –36V < VIN < –1.9V, 1mA < ILOAD < 600mA (Note 5); l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output offset voltage (VOUT – VSET), 25°C row",
"symbol": "VOS",
"kind": "electrical",
"unit": "mV",
"min": -1,
"typ": null,
"max": 1,
"conditions": "VIN = –1.9V, ILOAD = 1mA, –36V < VIN < –1.9V, 1mA < ILOAD < 600mA (Note 5)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output offset voltage (VOUT – VSET), full operating temperature range",
"symbol": "VOS",
"kind": "electrical",
"unit": "mV",
"min": -2,
"typ": null,
"max": 2,
"conditions": "VIN = –1.9V, ILOAD = 1mA, –36V < VIN < –1.9V, 1mA < ILOAD < 600mA (Note 5); l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load regulation ΔVOS",
"symbol": "ΔVOS",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 1.2,
"max": 2.5,
"conditions": "ILOAD = 1mA to 600mA, VIN = –1.9V (Note 6); l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output regulation with SET pin voltage change ΔISET/ΔVSET",
"symbol": "ΔISET/ΔVSET",
"kind": "electrical",
"unit": "nA/V",
"min": null,
"typ": 0.2,
"max": 1,
"conditions": "VSET = 0V to –32V, VIN = –36V, ILOAD = 1mA; l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output regulation with SET pin voltage change ΔVOS/ΔVSET",
"symbol": "ΔVOS/ΔVSET",
"kind": "electrical",
"unit": "µV/V",
"min": null,
"typ": 2.5,
"max": 30,
"conditions": "VSET = 0V to –32V, VIN = –36V, ILOAD = 1mA; l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "GND pin current at ILOAD = 10µA",
"symbol": "IGND",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1,
"max": 1.4,
"conditions": "VIN = VOUT(NOMINAL) (Note 8), ILOAD = 10µA; l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "GND pin current at ILOAD = 1mA",
"symbol": "IGND",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.05,
"max": 1.4,
"conditions": "VIN = VOUT(NOMINAL) (Note 8), ILOAD = 1mA; l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "GND pin current at ILOAD = 100mA",
"symbol": "IGND",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.6,
"max": 5,
"conditions": "VIN = VOUT(NOMINAL) (Note 8), ILOAD = 100mA; l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "GND pin current at ILOAD = 600mA",
"symbol": "IGND",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 11.5,
"max": 22.5,
"conditions": "VIN = VOUT(NOMINAL) (Note 8), ILOAD = 600mA; l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent current in shutdown",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.1,
"max": 1,
"conditions": "VIN = –6V, VSHDN = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent current in shutdown, full operating temperature range",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VIN = –6V, VSHDN = 0V; l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SHDN pin current at VSHDN = 0V",
"symbol": "ISHDN",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "VSHDN = 0V (Note 10); printed ±1",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SHDN pin current at VSHDN = 15V",
"symbol": "ISHDN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 21,
"max": 30,
"conditions": "VSHDN = 15V (Note 10)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SHDN pin current at VSHDN = –15V",
"symbol": "ISHDN",
"kind": "electrical",
"unit": "µA",
"min": -7,
"typ": null,
"max": -4.5,
"conditions": "VSHDN = –15V (Note 10)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SHDN pin positive turn-ON threshold",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 1.14,
"typ": 1.23,
"max": 1.32,
"conditions": "Positive SHDN rising; l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SHDN pin negative turn-ON threshold (in magnitude)",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": -1.36,
"typ": -1.27,
"max": -1.18,
"conditions": "Negative SHDN rising (in magnitude); l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Internal current limit at VIN = –1.9V, VOUT = 0V",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": 650,
"typ": 750,
"max": 850,
"conditions": "VIN = –1.9V, VOUT = 0V (Note 13); l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Internal current limit at VIN = –1.9V, ΔVOUT < 10mV",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": 630,
"typ": 730,
"max": 830,
"conditions": "VIN = –1.9V, ΔVOUT < 10mV; l = full temperature range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Programming scale factor (programmable current limit)",
"symbol": "",
"kind": "electrical",
"unit": "A•kΩ",
"min": 460,
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