component
MD7144H
Public Made by Adomby adom
Shanghai Mingda Microelectronics 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
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367
{
"schema_version": 1,
"type": "component",
"slug": "md7144h",
"title": "MD7144H",
"brief": "Shanghai Mingda Microelectronics 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)",
"md7144h",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "MD7144H",
"manufacturer": "Shanghai Mingda Microelectronics",
"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/8588917973168107520",
"parts": {
"symbol": "md7144h.kicad_sym",
"footprint": "md7144h.kicad_mod",
"model_3d": "md7144h-hero.glb",
"model_3d_plain": "md7144h-etched.glb",
"model_3d_step": "md7144h-etched.step",
"model_3d_step_plain": "md7144h.step",
"lbr": "md7144h.lbr"
},
"distributor_links": {
"lcsc": "C920383"
},
"distributor_check": {
"checked_at": "2026-10-18T14:05:00Z",
"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": "Ground terminal (接地端) of the 4.4 V regulator; the datasheet gives no separate electrical limit for this pin."
},
{
"number": "2",
"name": "VDD",
"type": "power_in",
"description": "Power input that supplies the regulator, with an absolute maximum input voltage of 32 V; the regulator keeps the output in regulation over the input range and has overvoltage protection."
},
{
"number": "3",
"name": "VOUT",
"type": "power_out",
"description": "Regulated 4.4 V output (4.268 V to 4.532 V at VIN=6.4 V, IOUT=10 mA) that must not be driven above VIN+0.3 V, with short-circuit current limited to 30 mA and a 2.2 µF or larger tantalum (or 10 µF or larger aluminum electrolytic) output capacitor required."
}
],
"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: MD7144H is listed as SOT-89-3L (marking 7144H) in the product table on page 1, and the SOT-89-3L pin; Page 2 contains a second 5-pin pinout table (VDD=1, GND=2, NC=3, NC=4, VOUT=5) with no package label; The pin descriptions in the datasheet are only the functional labels (接地端, 电源输入端, 输出端). The limits i"
],
"pages_sent": 13,
"cost_usd": 0.049,
"at": "2026-10-18T14:02:51"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588917973168107520",
"pages": 13,
"sha256": "0de18d8f469d00d1",
"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": "md7144h.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": "md7144h-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": "bbe83005e609c6cb31ea1a848116fab14eb0c7fa2e3d46f129aece484560101e",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Shanghai Mingda Microelectronics",
"Package": "SOT-89-3",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "0de18d8f469d00d19fbb44511fe1e8392a673660a47e692468d8881a6b269b37",
"rows": [
{
"name": "Output voltage tolerance (product table: 精度±3%)",
"symbol": "VOUT",
"kind": "tolerance",
"unit": "%",
"min": -3,
"typ": null,
"max": 3,
"conditions": "",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Output voltage",
"symbol": "VOUT",
"kind": "electrical",
"unit": "V",
"min": 4.268,
"typ": 4.4,
"max": 4.532,
"conditions": "VIN= 6.4V，IOUT=10mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output current",
"symbol": "IOUT",
"kind": "electrical",
"unit": "mA",
"min": 25,
"typ": 30,
"max": null,
"conditions": "VIN= 6.4V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input-output voltage difference (dropout)",
"symbol": "Vdrop",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 40,
"max": 60,
"conditions": "IOUT=1mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input stability",
"symbol": "ΔVOUT/ΔVIN·VOUT",
"kind": "electrical",
"unit": "％/V",
"min": null,
"typ": 0.05,
"max": 0.2,
"conditions": "5.4V≤VIN≤32V, IOUT=1mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Load stability",
"symbol": "ΔVOUT2",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 60,
"max": 100,
"conditions": "VIN=6.4V, 1.0mA≤IOUT≤30mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output voltage temperature coefficient",
"symbol": "ΔVOUT/ΔTa·VOUT",
"kind": "temperature_coefficient",
"unit": "ppm/℃",
"min": -100,
"typ": 50,
"max": 100,
"conditions": "VIN=6.4V，IOUT=10mA, -40℃≤Ta≤85℃",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Quiescent current (no load)",
"symbol": "ISS",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 1.2,
"max": 5,
"conditions": "VIN=32V, no load",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage (maximum regulated input)",
"symbol": "Vmax",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 32,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Output short-circuit current",
"symbol": "Ishort",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 30,
"max": null,
"conditions": "Vout=0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage (absolute maximum)",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 32,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power dissipation, SOT-89",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 500,
"conditions": "SOT_89 package; Ta=25℃ (table header)",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating ambient temperature range",
"symbol": "Topr",
"kind": "recommended_operating",
"unit": "℃",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage ambient temperature range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"md7144h"
],
"discovery_pitch": "MD7144H (Shanghai Mingda Microelectronics) 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",
"md7144h.kicad_sym",
"md7144h.kicad_mod",
"md7144h.glb",
"md7144h.step",
"md7144h.lbr",
"docs/hero.png",
"docs/md7144h-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"md7144h-hero.glb",
"md7144h-hero.overlay.json",
"md7144h-etched.glb"
],
"visibility": {
"public": true
}
}