component
MCP1804T-3302I
Public Made by Adomby adom
Microchip Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523
{
"schema_version": 1,
"type": "component",
"slug": "mcp1804t-3302i",
"title": "MCP1804T-3302I",
"brief": "Microchip Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"power management (pmic)",
"mcp1804t-3302i",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MCP1804T-3302I",
"manufacturer": "Microchip Tech",
"package": "SOT-89-3",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588900147900125184",
"parts": {
"symbol": "mcp1804t-3302i.kicad_sym",
"footprint": "mcp1804t-3302i.kicad_mod",
"model_3d": "mcp1804t-3302i-hero.glb",
"model_3d_plain": "mcp1804t-3302i-etched.glb",
"model_3d_step": "mcp1804t-3302i-etched.step",
"model_3d_step_plain": "mcp1804t-3302i.step",
"lbr": "mcp1804t-3302i.lbr"
},
"distributor_links": {
"lcsc": "C145390"
},
"distributor_check": {
"checked_at": "2026-10-17T22:35:20Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VOUT",
"type": "power_out",
"description": "Regulated output voltage; connect to the positive side of the load and the positive terminal of the output capacitor, with the output capacitor placed as close to the pin as practical, and 0.1 µF to 1.0 µF of capacitance ensures stable operation."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Regulator ground, tied to the negative side of the output and input capacitors; only the 50 to 60 µA typical LDO bias current flows out of this pin, and the package TAB is also connected to this pin."
},
{
"number": "3",
"name": "VIN",
"type": "power_in",
"description": "Unregulated input supply voltage with an operating range of 2.0V to 28.0V, requiring low source impedance and typically 0.1 µF to 1.0 µF of input capacitance for stable operation."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin mapping taken from Table 3-1 (MCP1804 Pin Function Table), SOT-89-3 column. VOUT=1, GND=2 (also ; Datasheet's Product Identification System confirms MCP1804T-3302I/MB is the 3-lead SOT-89 variant (3"
],
"pages_sent": 11,
"cost_usd": 0.0501,
"at": "2026-10-17T22:33:37"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588900147900125184",
"pages": 36,
"sha256": "f28199ed78f23549",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "mcp1804t-3302i.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4.5,
1.52
],
"zmin_mm": 0,
"centre_offset_mm": 0.05,
"footprint_binding": "identity",
"sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mcp1804t-3302i-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4,
4.5,
1.52
],
"zmin_mm": 0,
"centre_offset_mm": 0.05,
"footprint_binding": "identity",
"sha256": "353db6a0c402d5f4586fc06283712b4dd3b49c2b7dd6941cb02ea723db8e3cc3",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "SOT-89-3",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "f28199ed78f2354945395346c28ec1cb7bce4f711ff0bc9ee46fb07123fcdabd",
"rows": [
{
"name": "Input Operating Voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": 28,
"conditions": "Note 1",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Quiescent Current",
"symbol": "IQ",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 50,
"max": 105,
"conditions": "IL = 0 mA; 1.8V ≤ VOUT ≤ 5.0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Shutdown Current",
"symbol": "ISHDN",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.01,
"max": 0.1,
"conditions": "SHDN = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Maximum Output Current",
"symbol": "IOUT",
"kind": "electrical",
"unit": "mA",
"min": 150,
"typ": null,
"max": null,
"conditions": "VIN = VR + 3.0V; VOUT ≥ 3.0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage Regulation (VR ± 2.0%)",
"symbol": "VOUT",
"kind": "tolerance",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "IOUT = 10 mA, Note 2",
"source_page": 3,
"source": "datasheet"
},
{
"name": "VOUT Temperature Coefficient",
"symbol": "TCVOUT",
"kind": "temperature_coefficient",
"unit": "ppm/°C",
"min": -100,
"typ": null,
"max": 100,
"conditions": "IOUT = 20 mA, -40°C ≤ TA ≤ 85°C, Note 3",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.05,
"max": 0.1,
"conditions": "(VR + 2V) ≤ VIN ≤ 28V, Note 1; IOUT = 5 mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.15,
"max": 0.3,
"conditions": "(VR + 2V) ≤ VIN ≤ 28V, Note 1; IOUT = 13 mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 50,
"max": 90,
"conditions": "IL = 1.0 mA to 50 mA, Note 4; 1.8V ≤ VOUT ≤ 5.0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VDROPOUT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 260,
"max": 360,
"conditions": "IL = 20 mA; 3.0V ≤ VR ≤ 3.9V; Note 1, Note 5",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VDROPOUT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 1300,
"max": 1700,
"conditions": "IL = 100 mA; 3.0V ≤ VR ≤ 3.9V; Note 1, Note 5",
"source_page": 4,
"source": "datasheet"
},
{
"name": "SHDN \"H\" Voltage",
"symbol": "VSHDN_H",
"kind": "electrical",
"unit": "V",
"min": 1.1,
"typ": null,
"max": null,
"conditions": "VIN = 28V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "SHDN \"L\" Voltage",
"symbol": "VSHDN_L",
"kind": "electrical",
"unit": "V",
"min": 0,
"typ": null,
"max": 0.35,
"conditions": "VIN = 28V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "SHDN Current",
"symbol": "ISHDN",
"kind": "electrical",
"unit": "µA",
"min": -0.1,
"typ": null,
"max": 0.1,
"conditions": "VIN = 28V, VSHDN = GND or VIN",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Current Limiter",
"symbol": "ILIMIT",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 200,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Short Circuit Current",
"symbol": "IOUT_SC",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 40,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Power Supply Ripple Rejection Ratio",
"symbol": "PSRR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 50,
"max": null,
"conditions": "f = 1 kHz, IL = 20 mA, VIN_AC = 0.5V pk-pk, CIN = 0 µF",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal Shutdown Protection",
"symbol": "TSD",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 150,
"max": null,
"conditions": "TJ = 150°C",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal Shutdown Hysteresis",
"symbol": "TSD",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 25,
"max": null,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Input Voltage (absolute maximum)",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Current (Peak)",
"symbol": "IOUT",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 300,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "SHDN Voltage (absolute maximum)",
"symbol": "VSHDN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating Temperature Range",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature Range",
"symbol": "TJ",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal Resistance, 3LD SOT-89, junction to ambient",
"symbol": "JA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 180,
"max": null,
"conditions": "EIA/JEDEC JESD51-7, FR-4 0.063 4-Layer Board",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Thermal Resistance, 3LD SOT-89, junction to case",
"symbol": "JC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 52,
"max": null,
"conditions": "EIA/JEDEC JESD51-7, FR-4 0.063 4-Layer Board",
"source_page": 5,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"mcp1804t-3302i"
],
"discovery_pitch": "MCP1804T-3302I (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"mcp1804t-3302i.kicad_sym",
"mcp1804t-3302i.kicad_mod",
"mcp1804t-3302i.glb",
"mcp1804t-3302i.step",
"mcp1804t-3302i.lbr",
"docs/hero.png",
"docs/mcp1804t-3302i-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mcp1804t-3302i-hero.glb",
"mcp1804t-3302i-hero.overlay.json",
"mcp1804t-3302i-etched.glb"
],
"visibility": {
"public": true
}
}