component
MST5433BTS
Public Made by Adomby adom
MST 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
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379
{
"schema_version": 1,
"type": "component",
"slug": "mst5433bts",
"title": "MST5433BTS",
"brief": "MST 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)",
"mst5433bts",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MST5433BTS",
"manufacturer": "MST",
"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/8757896109518012416",
"parts": {
"symbol": "mst5433bts.kicad_sym",
"footprint": "mst5433bts.kicad_mod",
"model_3d": "mst5433bts-hero.glb",
"model_3d_plain": "mst5433bts-etched.glb",
"model_3d_step": "mst5433bts-etched.step",
"model_3d_step_plain": "mst5433bts.step",
"lbr": "mst5433bts.lbr"
},
"distributor_links": {
"lcsc": "C2761432"
},
"distributor_check": {
"checked_at": "2026-10-18T18:00:54Z",
"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": "Chip ground pin; VIN and GND both need wide copper traces and the input and output capacitors should sit as close to the chip as possible."
},
{
"number": "2",
"name": "VIN",
"type": "power_in",
"description": "Input pin with an operating range of 3 V to 45 V and a 45 V transient rating; a 1 uF capacitor is recommended between VIN and GND, and an electrolytic or at least 1 ohm series resistor is advised for inputs at or above 18 V."
},
{
"number": "3",
"name": "VOUT",
"type": "power_out",
"description": "Fixed 3.3 V regulated output (±2%) rated for up to 350 mA, requiring a minimum 10 uF ceramic output capacitor (X5R or X7R) placed close to VOUT and GND."
}
],
"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: The MPN MST5433BTS has no -A, -B or -C suffix, so the pinout uses the base MST54XXBTS column (GND=1,; The 3.3 V output voltage is inferred from the '33' in the MPN (MST54 33 BTS) and the datasheet's 3.3"
],
"pages_sent": 14,
"cost_usd": 0.0435,
"at": "2026-10-18T17:59:03"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757896109518012416",
"pages": 14,
"sha256": "4228e4a6a0aa11db",
"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": "mst5433bts.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": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mst5433bts-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": "f8cafc29f5d99f24340b68a454f27ca59261a7b75587bd80e2209fce7e588aa8",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "MST",
"Package": "SOT-89-3",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "4228e4a6a0aa11dbc23f0eda435b094bb6556ec2fcf3b3b7f741a5490ab443a2",
"rows": [
{
"name": "Input voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 3,
"typ": null,
"max": 45,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Quiescent current",
"symbol": "IGND",
"kind": "electrical",
"unit": "uA",
"min": 2.5,
"typ": 2.8,
"max": 3.2,
"conditions": "VIN=12V, No load",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output current",
"symbol": "IOUT_MAX",
"kind": "electrical",
"unit": "mA",
"min": 350,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output voltage accuracy (fixed 3.3V version)",
"symbol": "VOUT",
"kind": "tolerance",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "EN high level (turn on)",
"symbol": "VENH",
"kind": "electrical",
"unit": "V",
"min": 1,
"typ": null,
"max": null,
"conditions": "开启",
"source_page": 4,
"source": "datasheet"
},
{
"name": "EN low level (shut down)",
"symbol": "VENL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "关断",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Voltage VIN to GND",
"symbol": "VIN ~ GND",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 55,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Voltage VOUT to GND",
"symbol": "VOUT ~ GND",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Voltage VIN to VOUT",
"symbol": "VIN ~ VOUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 50,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Voltage EN to GND",
"symbol": "EN ~ GND",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 55,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating junction temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "ESD human body model (HBM)",
"symbol": "VESD",
"kind": "absolute_maximum",
"unit": "KV",
"min": null,
"typ": null,
"max": 4,
"conditions": "人体模式（HBM）",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Maximum allowable power dissipation (SOT89-3)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 900,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Package thermal resistance (SOT89-3)",
"symbol": "",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 130,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"mst5433bts"
],
"discovery_pitch": "MST5433BTS (MST) 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",
"mst5433bts.kicad_sym",
"mst5433bts.kicad_mod",
"mst5433bts.glb",
"mst5433bts.step",
"mst5433bts.lbr",
"docs/hero.png",
"docs/mst5433bts-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mst5433bts-hero.glb",
"mst5433bts-hero.overlay.json",
"mst5433bts-etched.glb"
],
"visibility": {
"public": true
}
}