component
LM1117S-ADJ
Public Made by Adomby adom
HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415
{
"schema_version": 1,
"type": "component",
"slug": "lm1117s-adj",
"title": "LM1117S-ADJ",
"brief": "HTC Korea TAEJIN Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. 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)",
"lm1117s-adj",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LM1117S-ADJ",
"manufacturer": "HTC Korea TAEJIN Tech",
"package": "SOT-223",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586183107548483584",
"parts": {
"symbol": "lm1117s-adj.kicad_sym",
"footprint": "lm1117s-adj.kicad_mod",
"model_3d": "lm1117s-adj-hero.glb",
"model_3d_plain": "lm1117s-adj-etched.glb",
"model_3d_step": "lm1117s-adj-etched.step",
"model_3d_step_plain": "lm1117s-adj.step",
"lbr": "lm1117s-adj.lbr"
},
"distributor_links": {
"lcsc": "C126029"
},
"distributor_check": {
"checked_at": "2026-10-18T22:36:59Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "ADJ/GND",
"type": "passive",
"description": "Adjustment/ground terminal: in the ADJ version it sets the output voltage through an external divider, with adjust pin current of 50 µA typ and 120 µA max (page 5)."
},
{
"number": "2",
"name": "VOUT",
"type": "power_out",
"description": "Regulated output: delivers up to 1 A with dropout of 1.2 V typ at 1 A, and requires an output capacitor of 10 µF or larger for stability."
},
{
"number": "3",
"name": "VIN",
"type": "power_in",
"description": "Unregulated input: absolute maximum DC input voltage is 20 V, and electrical characteristics are specified for an operating input voltage up to 12 V."
}
],
"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 1 is printed as 'ADJ/GND' (Adjustable / Ground), and the datasheet does not state whether it is ; The datasheet's pin table covers the SOT-223, TO-252 and SOT-89 variants together with one pin table"
],
"pages_sent": 12,
"cost_usd": 0.056,
"at": "2026-10-18T22:34:51"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586183107548483584",
"pages": 12,
"sha256": "44a7a7aa0771cacd",
"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": "lm1117s-adj.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
6.5,
1.7
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lm1117s-adj-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
7,
6.5,
1.7
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "1aebf22f95653dc61f212b67f38402766ec0129a72a4506102964834794c8674",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HTC Korea TAEJIN Tech",
"Package": "SOT-223",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "44a7a7aa0771cacdf3df697c38b92087b8020b65e23fc843c58e5c59f9d9718d",
"rows": [
{
"name": "Reference Voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 1.238,
"typ": 1.25,
"max": 1.262,
"conditions": "VIN=5V, IO=10mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Reference Voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 1.219,
"typ": null,
"max": 1.281,
"conditions": "IO = 10mA to 1A, VIN - VREF = 1.5V to 13.75V (TJ = 0 ~ 125℃)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1,
"max": 1.1,
"conditions": "IO = 100mA",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.1,
"max": 1.2,
"conditions": "IO = 500mA",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Dropout Voltage",
"symbol": "VD",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.2,
"max": 1.3,
"conditions": "IO = 1A",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "ΔVLINE",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.1,
"max": 0.2,
"conditions": "IO = 10mA, VIN - VREF = 1.5V to 12V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Load Regulation",
"symbol": "ΔVLOAD",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.2,
"max": 0.4,
"conditions": "IO = 10mA to 1A, VIN - VREF = 2 V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating Input Voltage",
"symbol": "VIN",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 12,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Adjustment Pin Current",
"symbol": "IADJ",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 50,
"max": 120,
"conditions": "VIN - VREF = 1.5V to 12V, IO = 100mA",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Adjustment Pin Current Change",
"symbol": "ΔIADJ",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 0.5,
"max": 5,
"conditions": "VIN - VREF = 1.5V to 12V, IO = 100mA to 1A",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Minimum Load Current",
"symbol": "IO(MIN)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 5,
"max": 10,
"conditions": "VIN=5V, VREF=0V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Current Limit",
"symbol": "IO",
"kind": "electrical",
"unit": "mA",
"min": 1000,
"typ": 1250,
"max": 1600,
"conditions": "VIN - VREF = 5V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply Voltage Rejection",
"symbol": "SVR",
"kind": "electrical",
"unit": "dB",
"min": 60,
"typ": 75,
"max": null,
"conditions": "IO = 1A, f = 120Hz, VIN - VREF = 3V, VRIPPLE = 1VPP",
"source_page": 5,
"source": "datasheet"
},
{
"name": "DC Input Voltage",
"symbol": "VIN",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 20,
"conditions": "TA = 25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Lead Temperature (Soldering, 5 seconds)",
"symbol": "TSOL",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "TA = 25℃, 5 seconds soldering",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature Range",
"symbol": "TOPR",
"kind": "absolute_maximum",
"unit": "℃",
"min": -40,
"typ": null,
"max": 125,
"conditions": "TA = 25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -65,
"typ": null,
"max": 150,
"conditions": "TA = 25℃",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Thermal Resistance Junction-To-Ambient / SOT-223",
"symbol": "θJA-SOT-223",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": null,
"max": 137,
"conditions": "No heat sink / No air flow / No adjacent heat source / 0.066 inch² copper area, TA=25°C",
"source_page": 12,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lm1117s-adj"
],
"discovery_pitch": "LM1117S-ADJ (HTC Korea TAEJIN 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",
"lm1117s-adj.kicad_sym",
"lm1117s-adj.kicad_mod",
"lm1117s-adj.glb",
"lm1117s-adj.step",
"lm1117s-adj.lbr",
"docs/hero.png",
"docs/lm1117s-adj-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lm1117s-adj-hero.glb",
"lm1117s-adj-hero.overlay.json",
"lm1117s-adj-etched.glb"
],
"visibility": {
"public": true
}
}