component
AP7351D-18W5-7
Public Made by Adomby adom
Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523
{
"schema_version": 1,
"type": "component",
"slug": "ap7351d-18w5-7",
"title": "AP7351D-18W5-7",
"brief": "Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-25. 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)",
"ap7351d-18w5-7",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "AP7351D-18W5-7",
"manufacturer": "Diodes Incorporated",
"package": "SOT-25",
"pin_count": 5,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://www.diodes.com/assets/Datasheets/AP7351D-18W5-7.pdf",
"parts": {
"symbol": "ap7351d-18w5-7.kicad_sym",
"footprint": "ap7351d-18w5-7.kicad_mod",
"model_3d": "ap7351d-18w5-7-hero.glb",
"model_3d_plain": "ap7351d-18w5-7-etched.glb",
"model_3d_step": "ap7351d-18w5-7-etched.step",
"model_3d_step_plain": "ap7351d-18w5-7.step",
"lbr": "ap7351d-18w5-7.lbr"
},
"distributor_links": {
"lcsc": "C5553236",
"digikey": "31-AP7351D-18W5-7TR-ND",
"mouser": "621-AP7351D-18W5-7"
},
"distributor_check": {
"checked_at": "2026-11-02T17:16:12Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "31-AP7351D-18W5-7TR-ND",
"status": "found"
},
"mouser": {
"pn": "621-AP7351D-18W5-7",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VIN",
"type": "power_in",
"description": "Power input pin; the datasheet gives an input voltage range of 1.4V to 5.5V and an absolute maximum of 6.0V."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin that should be connected to the external circuit ground to reduce trace-impedance voltage drop."
},
{
"number": "3",
"name": "EN",
"type": "input",
"description": "Enable pin that must be driven high or low and must not float; high enables the regulator and low puts it into shutdown."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
"description": "No connection for fixed VOUT versions."
},
{
"number": "5",
"name": "VOUT",
"type": "power_out",
"description": "Regulated output voltage pin; output current is guaranteed up to 150mA."
}
],
"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: Page 1 pin assignment line (PIN1 VOUT, PIN2 GND, PIN3 EN, PIN4 VIN) uses the X2-DFN1010-4 numbering."
],
"pages_sent": 18,
"cost_usd": 0.0178,
"at": "2026-11-02T17:15:59"
},
"datasheet": {
"url": "https://www.diodes.com/assets/Datasheets/AP7351D-18W5-7.pdf",
"pages": 18,
"sha256": "4cd3008f2ae9a291",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 5,
"described": 5,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "ap7351d-18w5-7.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "ap7351d-18w5-7-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.8,
2.9,
1.55
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e059157fe4e199a0b5f69e726b699f322d9c243f843da3b67c77062ef11125bd",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Diodes Incorporated",
"Package": "SOT-25",
"Category": "Power Management (PMIC)",
"Pins": "5"
},
"appearance": {
"contacts": {
"quote": "• Terminals: SOT25: Finish - Mate Tin Plated Leads, Solderable per MILSTD-202, Method 208",
"page": 1,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "4cd3008f2ae9a29197c671cfd9296bfc60e461f1d7505dcd42c1248b0c1e948d"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "4cd3008f2ae9a29197c671cfd9296bfc60e461f1d7505dcd42c1248b0c1e948d",
"rows": [
{
"name": "Input Voltage",
"symbol": "VIN",
"kind": "electrical",
"unit": "V",
"min": 1.4,
"typ": null,
"max": 5.5,
"conditions": "TA = -40°C to +85°C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage Accuracy (VOUT ≤ 2.0V, TA = +25°C)",
"symbol": "",
"kind": "tolerance",
"unit": "mV",
"min": -40,
"typ": null,
"max": 40,
"conditions": "VOUT ≤ 2.0V, IOUT = 5mA, TA = +25°C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Voltage Accuracy (VOUT ≤ 2.0V, TA = -40°C to +85°C)",
"symbol": "",
"kind": "tolerance",
"unit": "mV",
"min": -80,
"typ": null,
"max": 80,
"conditions": "VOUT ≤ 2.0V, IOUT = 5mA, TA = -40°C to +85°C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "∆VOUT/∆VIN/VOUT",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.05,
"max": 0.2,
"conditions": "MAX (VOUT + 1.0V, 2.5V) ≤ VIN ≤ 5.5V (All Versions Except 4.5V)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dropout Voltage (Note 8)",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.33,
"max": 0.6,
"conditions": "IOUT = 150mA, VOUT = 1.8V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Quiescent Current (Note 7)",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.5,
"max": 1,
"conditions": "IOUT = 0mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Standby Current",
"symbol": "ISTANDBY",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.02,
"max": 0.2,
"conditions": "Set EN low, No load",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Input Low Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.4,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "EN Input High Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 1,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Voltage (recommended operating)",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": 1.4,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Current (recommended operating)",
"symbol": "IOUT",
"kind": "recommended_operating",
"unit": "mA",
"min": 0,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Ambient Temperature (recommended operating)",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Voltage for EN Pin",
"symbol": "VEN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Voltage",
"symbol": "VOUT",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Printed as -0.3 to VIN + 0.3 V; upper limit is VIN + 0.3 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 400,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Ambient Temperature (absolute maximum)",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD HBM Human Body Model",
"symbol": "ESD HBM",
"kind": "absolute_maximum",
"unit": "kV",
"min": 2,
"typ": null,
"max": null,
"conditions": "Printed as > 2 kV",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD CDM Charge Device Model",
"symbol": "ESD CDM",
"kind": "absolute_maximum",
"unit": "V",
"min": -500,
"typ": null,
"max": 500,
"conditions": "Printed as ±500 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "∆VOUT/∆IOUT",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 30,
"max": null,
"conditions": "1mA ≤ IOUT ≤ 150mA (all versions except 4.5V)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Short Circuit Current Limit (Note 6)",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 60,
"max": null,
"conditions": "VOUT = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 150,
"max": null,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction to Ambient (SOT25)",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 179,
"max": null,
"conditions": "SOT25",
"source_page": 3,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ap7351d-18w5-7"
],
"discovery_pitch": "AP7351D-18W5-7 (Diodes Incorporated) 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",
"ap7351d-18w5-7.kicad_sym",
"ap7351d-18w5-7.kicad_mod",
"ap7351d-18w5-7.glb",
"ap7351d-18w5-7.step",
"ap7351d-18w5-7.lbr",
"docs/hero.png",
"docs/ap7351d-18w5-7-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ap7351d-18w5-7-hero.glb",
"ap7351d-18w5-7-hero.overlay.json",
"ap7351d-18w5-7-etched.glb"
],
"visibility": {
"public": true
}
}