component
QX2303L33E
Public Made by Adomby adom
QX Micro Devices DC-DC Converters, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379
{
"schema_version": 1,
"type": "component",
"slug": "qx2303l33e",
"title": "QX2303L33E",
"brief": "QX Micro Devices DC-DC Converters, 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 ics",
"qx2303l33e",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "QX2303L33E",
"manufacturer": "QX Micro Devices",
"package": "SOT-89-3",
"pin_count": 3,
"category": "Power Management ICs",
"subcategory": "DC-DC Converters",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/cf0c81d427f64e1e94d1c7626965c93d.pdf",
"parts": {
"symbol": "qx2303l33e.kicad_sym",
"footprint": "qx2303l33e.kicad_mod",
"model_3d": "qx2303l33e-hero.glb",
"model_3d_plain": "qx2303l33e-etched.glb",
"model_3d_step": "qx2303l33e-etched.step",
"model_3d_step_plain": "qx2303l33e.step",
"lbr": "qx2303l33e.lbr"
},
"distributor_links": {
"lcsc": "C236071"
},
"distributor_check": {
"checked_at": "2026-10-22T21:39:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "GND",
"type": "power_in",
"description": "Power ground."
},
{
"number": "2",
"name": "VOUT",
"type": "power_in",
"description": "Datasheet lists this as the input-type voltage pin (输入电压) for the converter output rail, with an absolute maximum of 7 V on VOUT."
},
{
"number": "3",
"name": "LX",
"type": "output",
"description": "Switch signal output to the inductor, with an absolute maximum of 7 V and 1000 mA, and a typical current limit of 800 mA (600 to 1000 mA)."
}
],
"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: The datasheet's pin table labels VOUT as type 输入 (input) with description 输入电压 (input voltage). In t; LX is a switching node. The datasheet types it as 输出 (output), which I kept, but passive or power_ou; MPN decoding: L means internal MOS switch, 33 means 3.3 V output, and E means SOT89-3, so the LXXE c"
],
"pages_sent": 14,
"cost_usd": 0.0709,
"at": "2026-10-22T21:39:06"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/cf0c81d427f64e1e94d1c7626965c93d.pdf",
"pages": 14,
"sha256": "23d00ee863a2ed80",
"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": "qx2303l33e.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": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "qx2303l33e-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": "0d340689ee2c9ef5f2fc2597e6116ec59111405f301b82146e4f703ab17c4ab5",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "QX Micro Devices",
"Package": "SOT-89-3",
"Category": "Power Management ICs",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "23d00ee863a2ed80f1d062103134717458a8682c695d770d9911484765e5be01",
"rows": [
{
"name": "Current limit",
"symbol": "ILIMIT",
"kind": "electrical",
"unit": "mA",
"min": 600,
"typ": 800,
"max": 1000,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Output voltage accuracy",
"symbol": "ΔVOUT",
"kind": "tolerance",
"unit": "%",
"min": -2.5,
"typ": null,
"max": 2.5,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input voltage",
"symbol": "VINMAX",
"kind": "electrical",
"unit": "V",
"min": 0.7,
"typ": null,
"max": null,
"conditions": "max printed as VOUT",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Start-up voltage",
"symbol": "VSTART",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "ILOAD=1mA, VIN from 0V to 2V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Hold voltage",
"symbol": "VHOLD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.6,
"max": null,
"conditions": "ILOAD=1mA, VIN from 2V to 0V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "No-load input current",
"symbol": "IIN0",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 15,
"max": null,
"conditions": "VIN=1.8V, VOUT=3.3V",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Maximum oscillation frequency",
"symbol": "FMAX",
"kind": "electrical",
"unit": "KHz",
"min": null,
"typ": 300,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Maximum duty cycle",
"symbol": "DCOSC",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 83,
"max": null,
"conditions": "",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Max voltage at VOUT and LX",
"symbol": "VMAX",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Max LX current",
"symbol": "ILX_MAX",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 1000,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Max power dissipation SOT-89-3",
"symbol": "PSOT-89-3",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -20,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Soldering temperature",
"symbol": "TSD",
"kind": "absolute_maximum",
"unit": "°C",
"min": 230,
"typ": null,
"max": 240,
"conditions": "time less than 30 s",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD voltage (HBM)",
"symbol": "VESD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 2000,
"conditions": "human body model",
"source_page": 5,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"qx2303l33e"
],
"discovery_pitch": "QX2303L33E (QX Micro Devices) 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",
"qx2303l33e.kicad_sym",
"qx2303l33e.kicad_mod",
"qx2303l33e.glb",
"qx2303l33e.step",
"qx2303l33e.lbr",
"docs/hero.png",
"docs/qx2303l33e-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"qx2303l33e-hero.glb",
"qx2303l33e-hero.overlay.json",
"qx2303l33e-etched.glb"
],
"visibility": {
"public": true
}
}