component
LT3055EMSE#PBF
Public Made by Adomby adom
Analog Devices Linear Voltage Regulators (LDO), MSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "lt3055emse-pbf",
"version": "0.1.0",
"type": "component",
"description": "Analog Devices Linear Voltage Regulators (LDO), MSOP-16-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"power management ics",
"lt3055emse#pbf",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"path": "docs/hero.png"
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"docs/lt3055emse-pbf-datasheet.pdf",
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"component": {
"mpn": "LT3055EMSE#PBF",
"manufacturer": "Analog Devices",
"package": "MSOP-16-EP",
"pin_count": 17,
"category": "Power Management ICs",
"subcategory": "Linear Voltage Regulators (LDO)",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT3055.pdf",
"parts": {
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"footprint": "lt3055emse-pbf.kicad_mod",
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"lbr": "lt3055emse-pbf.lbr"
},
"distributor_links": {
"lcsc": "C666647",
"digikey": "LT3055EMSE#PBF-ND",
"mouser": "584-LT3055EMSE#PBF"
},
"distributor_check": {
"checked_at": "2026-10-31T12:39:21Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "LT3055EMSE#PBF-ND",
"status": "found"
},
"mouser": {
"pn": "584-LT3055EMSE#PBF",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "IN",
"type": "power_in",
"description": "Input supply pin (tied with pin 2); withstands reverse voltage, with a 1µF to 10µF bypass capacitor advised, and absolute maximum ±50V."
},
{
"number": "2",
"name": "IN",
"type": "power_in",
"description": "Input supply pin (tied with pin 1); withstands reverse voltage, with a 1µF to 10µF bypass capacitor advised, and absolute maximum ±50V."
},
{
"number": "3",
"name": "SHDN",
"type": "input",
"description": "Shutdown pin that puts the device into a low power state with output off when pulled low; connect to IN if unused and do not leave it unconnected."
},
{
"number": "4",
"name": "FAULT1",
"type": "output",
"description": "Open-collector fault pin that asserts low when output current falls below the minimum threshold (both FAULTs low in thermal shutdown), sinks 50µA and needs an external pull-up."
},
{
"number": "5",
"name": "FAULT2",
"type": "output",
"description": "Open-collector fault pin that asserts low when output current exceeds the current limit threshold (both FAULTs low in thermal shutdown), sinks 50µA and needs an external pull-up."
},
{
"number": "6",
"name": "PWRGD",
"type": "output",
"description": "Open-collector power good output that pulls low when output is less than 90% of nominal, sinks 50µA and needs an external pull-up."
},
{
"number": "7",
"name": "TEMP",
"type": "output",
"description": "Temperature output voltage of 250mV at 25°C with 10mV/°C slope and about 1500Ω output impedance; leave unconnected if unused."
},
{
"number": "8",
"name": "IMON",
"type": "output",
"description": "Output current monitor, a PNP collector sourcing 1/500th of output current, requiring a 22nF minimum decoupling capacitor; tie to GND if unused."
},
{
"number": "9",
"name": "IMIN",
"type": "passive",
"description": "Minimum output current programming pin sourcing 1/2000th of load current; a resistor to GND sets the fault threshold, needs 10nF minimum capacitor, and floats if unused."
},
{
"number": "10",
"name": "IMAX",
"type": "passive",
"description": "Precision current limit programming pin sourcing 1/500th of output current; a resistor to GND sets the limit, requires a 22nF capacitor to ground, and tie to GND if unused."
},
{
"number": "11",
"name": "REF/BYP",
"type": "passive",
"description": "Bypass/soft-start pin where a capacitor to GND (10nF typical gives 25µVRMS noise, 100pF minimum recommended) sets soft-start time; leave floating if unused and do not drive it."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Ground pin; connect the bottom of the output voltage setting resistor divider directly here for optimum load regulation."
},
{
"number": "13",
"name": "GND",
"type": "power_in",
"description": "Ground pin on the LT3055 adjustable version (pin 13 is ADJ only on the -3.3 and -5 versions), tied directly to pin 12 and the exposed pad."
},
{
"number": "14",
"name": "ADJ",
"type": "input",
"description": "Adjust pin, the error amplifier's inverting input at 600mV referenced to GND, with 16nA typical bias current flowing out of the pin."
},
{
"number": "15",
"name": "OUT",
"type": "power_out",
"description": "Output pin (tied with pin 16) requiring a minimum 3.3µF ceramic capacitor with ESR <1Ω (4.7µF for output below 1.2V), with output range 0.6V to 40V."
},
{
"number": "16",
"name": "OUT",
"type": "power_out",
"description": "Output pin (tied with pin 15) requiring a minimum 3.3µF ceramic capacitor with ESR <1Ω (4.7µF for output below 1.2V), with output range 0.6V to 40V."
},
{
"number": "17",
"name": "GND",
"type": "power_in",
"description": "Exposed pad is the electrical ground connection and must be soldered to PCB ground and tied directly to pins 12 and 13."
}
],
"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: FAULT1, FAULT2 and PWRGD are open-collector outputs; mapped to 'output' since the schema has no open; Pins 13 and 14 apply to the adjustable LT3055 (GND and ADJ); the -3.3/-5 variants differ (13 is ADJ,"
],
"pages_sent": 11,
"cost_usd": 0.1564,
"at": "2026-10-31T12:39:03"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/LT3055.pdf",
"pages": 26,
"sha256": "9eb7948800120b95",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"footprint_binding": "identity",
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"checked": "2026-10-31",
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{
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}