component
LT3091IDE#PBF
Public Made by Adomby adom
Analog Devices Linear Voltage Regulators (LDO), DFN-14-EP(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "lt3091ide-pbf",
"version": "0.1.0",
"type": "component",
"description": "Analog Devices Linear Voltage Regulators (LDO), DFN-14-EP(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management ics",
"lt3091ide#pbf",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"lt3091ide-pbf.kicad_sym",
"lt3091ide-pbf.kicad_mod",
"lt3091ide-pbf.glb",
"lt3091ide-pbf.step",
"lt3091ide-pbf.lbr",
"docs/hero.png",
"docs/lt3091ide-pbf-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lt3091ide-pbf-hero.glb",
"lt3091ide-pbf-hero.overlay.json",
"lt3091ide-pbf-etched.glb"
],
"component": {
"mpn": "LT3091IDE#PBF",
"manufacturer": "Analog Devices",
"package": "DFN-14-EP(3x4)",
"pin_count": 15,
"category": "Power Management ICs",
"subcategory": "Linear Voltage Regulators (LDO)",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/3091fa.pdf",
"parts": {
"symbol": "lt3091ide-pbf.kicad_sym",
"footprint": "lt3091ide-pbf.kicad_mod",
"model_3d": "lt3091ide-pbf-hero.glb",
"model_3d_plain": "lt3091ide-pbf-etched.glb",
"model_3d_step": "lt3091ide-pbf-etched.step",
"model_3d_step_plain": "lt3091ide-pbf.step",
"lbr": "lt3091ide-pbf.lbr"
},
"distributor_links": {
"lcsc": "C670458",
"digikey": "505-LT3091IDE#PBF-ND",
"mouser": "584-LT3091IDE#PBF"
},
"distributor_check": {
"checked_at": "2026-10-31T09:26:21Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "505-LT3091IDE#PBF-ND",
"status": "found"
},
"mouser": {
"pn": "584-LT3091IDE#PBF",
"status": "found",
"lifecycle": "Restricted Availability"
}
},
"pins": [
{
"number": "1",
"name": "IN",
"type": "power_in",
"description": "Input supply pin; tie all IN pins together and to the exposed pad, with a 4.7µF to 10µF bypass capacitor (10µF minimum for stability)."
},
{
"number": "2",
"name": "IN",
"type": "power_in",
"description": "Input supply pin; tie all IN pins together and to the exposed pad, with a 4.7µF to 10µF bypass capacitor (10µF minimum for stability)."
},
{
"number": "3",
"name": "IN",
"type": "power_in",
"description": "Input supply pin; tie all IN pins together and to the exposed pad, with a 4.7µF to 10µF bypass capacitor (10µF minimum for stability)."
},
{
"number": "4",
"name": "IN",
"type": "power_in",
"description": "Input supply pin; tie all IN pins together and to the exposed pad, with a 4.7µF to 10µF bypass capacitor (10µF minimum for stability)."
},
{
"number": "5",
"name": "ILIM",
"type": "passive",
"description": "Current limit programming pin; an external resistor from ILIM to IN sets the limit with a nominal 20A•kΩ scale factor (±10% over temperature), tie to IN if unused, and do not drive more than 0.3V below IN."
},
{
"number": "6",
"name": "IMONP",
"type": "output",
"description": "Positive current monitor pin sourcing 1/4000 of output current into a resistor to GND; tie to IN for negative monitoring or if unused, and IN and IMONP must be at least 2V below IMONN."
},
{
"number": "7",
"name": "IMONN",
"type": "output",
"description": "Negative current monitor pin sinking 1/2000 of output current through a resistor to GND; bias at least 2V above IMONP for positive monitoring, and tie to GND if unused."
},
{
"number": "8",
"name": "SHDN",
"type": "input",
"description": "Bidirectional shutdown pin referenced to GND; output is off within ±0.45V of GND and on beyond ±1.4V, max current 7µA out (negative logic) or 30µA in (positive logic), do not float."
},
{
"number": "9",
"name": "SET",
"type": "input",
"description": "Error amplifier inverting input and regulation setpoint; 50µA fixed current flows into the pin and a resistor to GND programs VOUT from zero to -32V, with an optional bypass capacitor to GND."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground pin supplying quiescent current and pass transistor drive; can be tied to system ground, a positive voltage or OUT, and must not be driven more than 0.3V below IN."
},
{
"number": "11",
"name": "OUT",
"type": "power_out",
"description": "Output pin supplying the load; tie all OUT pins together, use a minimum 10µF output capacitor with ESR below 500mΩ, and a minimum load current of 20µA is required."
},
{
"number": "12",
"name": "OUT",
"type": "power_out",
"description": "Output pin supplying the load; tie all OUT pins together, use a minimum 10µF output capacitor with ESR below 500mΩ, and a minimum load current of 20µA is required."
},
{
"number": "13",
"name": "OUT",
"type": "power_out",
"description": "Output pin supplying the load; tie all OUT pins together, use a minimum 10µF output capacitor with ESR below 500mΩ, and a minimum load current of 20µA is required."
},
{
"number": "14",
"name": "OUT",
"type": "power_out",
"description": "Output pin supplying the load; tie all OUT pins together, use a minimum 10µF output capacitor with ESR below 500mΩ, and a minimum load current of 20µA is required."
},
{
"number": "15",
"name": "IN",
"type": "power_in",
"description": "Exposed pad is electrically connected to IN and the device substrate and must be soldered to the PCB and tied to the IN pins for electrical and thermal performance."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin types for ILIM, IMONP, IMONN and SET were chosen by judgment, since the datasheet does not give "
],
"pages_sent": 11,
"cost_usd": 0.1545,
"at": "2026-10-31T09:26:04"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/3091fa.pdf",
"pages": 40,
"sha256": "c70c3059ca9237a1",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 15,
"described": 15,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "lt3091ide-pbf.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
3.98,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "be5cff1a18ac6ffbe197561441c1546755e61de7ca02dcc6734fc20d3d6c79dd",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lt3091ide-pbf-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
3.98,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3effa4cb45d3b916a24ca1b4819b28226d6e55f60ea51225f1491f9e372b034e",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "DE14",
"source_page": 35,
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "lt3091ide-pbf.step",
"verdict": "SKIP",
"reasons": [
"the datasheet dimensions give no height or body size to compare"
],
"by": "factory/package_fit.py"
}
}
}
}