component
HT1117AH-ADJ
Public Made by Adomby adom
HTCSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403
{
"schema_version": 1,
"type": "component",
"slug": "ht1117ah-adj",
"title": "HT1117AH-ADJ",
"brief": "HTCSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. 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)",
"ht1117ah-adj",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "HT1117AH-ADJ",
"manufacturer": "HTCSEMI",
"package": "SOT-89",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603058970525921280",
"parts": {
"symbol": "ht1117ah-adj.kicad_sym",
"footprint": "ht1117ah-adj.kicad_mod",
"model_3d": "ht1117ah-adj-hero.glb",
"model_3d_plain": "ht1117ah-adj-etched.glb",
"model_3d_step": "ht1117ah-adj-etched.step",
"model_3d_step_plain": "ht1117ah-adj.step",
"lbr": "ht1117ah-adj.lbr"
},
"distributor_links": {
"lcsc": "C7431210"
},
"distributor_check": {
"checked_at": "2026-10-18T03:36:03Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "ADJ/GND",
"type": "passive",
"description": "Adjust/ground pin that sets the adjustable output through the external R1/R2 divider to the 1.25 V reference (Vref 1.238 V to 1.262 V), with adjust pin current typically 52 µA and at most 120 µA."
},
{
"number": "2",
"name": "VOUT",
"type": "power_out",
"description": "Regulated output pin, also connected to the heatsink tab; the output capacitor must be at least 4.7 µF with ESR between 33 mΩ (typ) and 2.2 Ω for stability."
},
{
"number": "3",
"name": "VIN",
"type": "power_in",
"description": "Unregulated input pin with a 20 V maximum input rating, which should be bypassed with a 10 µF capacitor placed directly across the input and ground terminals."
}
],
"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 SOT-89 pinout is taken from the generic 'Pin:' block on page 1 (1. Adjust/Ground, 2. Output, 3. ; Pin 1 is labelled 'ADJ/GND' in the datasheet. It is classed as passive here because it is an adjust/; The datasheet gives no ERC type for any pin. The types above are inferred from function: output as p"
],
"pages_sent": 16,
"cost_usd": 0.0703,
"at": "2026-10-18T03:34:15"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603058970525921280",
"pages": 16,
"sha256": "3729369ddb90e7c5",
"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": "ht1117ah-adj.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": "ht1117ah-adj-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": "a55f70c3f9db3b466ea7f9d530ca7af6a0137c9171311b79cb93f8a9a18de289",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "HTCSEMI",
"Package": "SOT-89",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "3729369ddb90e7c559c7e47a91d2daac8dfab649958baf0c56a226c0ff53d937",
"rows": [
{
"name": "Reference Voltage, Adjustable Output Devices (Vin–Vout = 2.0 V, Iout = 10 mA, TA = 25°C)",
"symbol": "Vref",
"kind": "electrical",
"unit": "V",
"min": 1.238,
"typ": 1.25,
"max": 1.262,
"conditions": "Vin–Vout = 2.0 V, Iout = 10 mA, TA = 25°C",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Reference Voltage, Adjustable Output Devices (Vin–Vout = 1.4 V to 10 V, Iout = 10 mA to 800 mA)",
"symbol": "Vref",
"kind": "electrical",
"unit": "V",
"min": 1.225,
"typ": null,
"max": 1.27,
"conditions": "Vin–Vout = 1.4 V to 10 V, Iout = 10 mA to 800 mA (Note 4)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Line Regulation, Adjustable",
"symbol": "Regline",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.04,
"max": 0.1,
"conditions": "Vin = 2.75 V to 16.25 V, Iout = 10 mA (Note 5)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Load Regulation, Adjustable",
"symbol": "Regline",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.2,
"max": 0.4,
"conditions": "Iout = 10 mA to 800 mA, Vin = 4.25 V (Note 5)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Minimum Required Load Current for Regulation, Adjustable Output Devices",
"symbol": "IL(min)",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.8,
"max": 5,
"conditions": "Vin = 15 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dropout Voltage (Iout = 100 mA)",
"symbol": "Vin−Vout",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 0.95,
"max": 1.1,
"conditions": "Measured at Vout − 100 mV; Iout = 100 mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dropout Voltage (Iout = 500 mA)",
"symbol": "Vin−Vout",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.01,
"max": 1.15,
"conditions": "Measured at Vout − 100 mV; Iout = 500 mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Dropout Voltage (Iout = 800 mA)",
"symbol": "Vin−Vout",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 1.07,
"max": 1.2,
"conditions": "Measured at Vout − 100 mV; Iout = 800 mA",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output Current Limit",
"symbol": "Iout",
"kind": "electrical",
"unit": "mA",
"min": 1000,
"typ": 1500,
"max": 2200,
"conditions": "Vin−Vout = 5.0 V, TA = 25°C (Note 6)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Adjustment Pin Current",
"symbol": "Iadj",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 52,
"max": 120,
"conditions": "Vin = 11.25 V, Iout = 800 mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Adjust Pin Current Change",
"symbol": "Iadj",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.4,
"max": 5,
"conditions": "Vin−Vout = 1.4 V to 10 V, Iout = 10 mA to 800 mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Thermal Regulation",
"symbol": "",
"kind": "electrical",
"unit": "%/W",
"min": null,
"typ": 0.01,
"max": 0.1,
"conditions": "TA = 25°C, 30 ms Pulse",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Ripple Rejection, Adjustable",
"symbol": "RR",
"kind": "electrical",
"unit": "dB",
"min": 67,
"typ": null,
"max": 73,
"conditions": "Vin−Vout = 6.4 V, Iout = 500 mA, 10 Vpp 120 Hz Sinewave",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Voltage",
"symbol": "Vin",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Die Junction Temperature Range",
"symbol": "TJ",
"kind": "thermal",
"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Ambient Temperature Range",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"ht1117ah-adj"
],
"discovery_pitch": "HT1117AH-ADJ (HTCSEMI) 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",
"ht1117ah-adj.kicad_sym",
"ht1117ah-adj.kicad_mod",
"ht1117ah-adj.glb",
"ht1117ah-adj.step",
"ht1117ah-adj.lbr",
"docs/hero.png",
"docs/ht1117ah-adj-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"ht1117ah-adj-hero.glb",
"ht1117ah-adj-hero.overlay.json",
"ht1117ah-adj-etched.glb"
],
"visibility": {
"public": true
}
}