component
MS1117S-3.3V
Public Made by Adomby adom
MSKSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "ms1117s-3-3v",
"version": "0.1.0",
"type": "component",
"description": "MSKSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "MS1117S-3.3V",
"manufacturer": "MSKSEMI",
"package": "SOT-89",
"pin_count": 3,
"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/be543fed09b4a009be34a385fc0ed76c.pdf",
"parts": {
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"distributor_links": {
"lcsc": "C47020987"
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"distributor_check": {
"checked_at": "2026-10-18T06:50:49Z",
"source": "Component Ocean /api/assign-pns",
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"pins": [
{
"number": "1",
"name": "VSS/ADJ",
"type": "power_in",
"description": "VSS/ADJ pin serves as the ground reference for the fixed versions and as the adjust pin for the adjustable version, where a bypass capacitor between ADJ and ground improves ripple rejection."
},
{
"number": "2",
"name": "VOUT",
"type": "power_out",
"description": "Output voltage pin delivers up to 1A load current with a dropout of 1.3V typical and 1.5V maximum at 1A."
},
{
"number": "3",
"name": "VIN",
"type": "power_in",
"description": "Input voltage pin has an absolute maximum input voltage of 18V, with a stated operating input voltage of 15V."
}
],
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"extractor": "extract_pins 0.3",
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"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: Table 3 (SOT89 package, MS1117S-xxx series) lists only pins 1 to 3, and the ordering table maps MS11; Pin 1 is named VSS/ADJ and typed power_in because it is the ground reference for the fixed versions;; The datasheet gives no pin-level electrical limits beyond those noted in the descriptions (18V absol"
],
"pages_sent": 14,
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"at": "2026-10-18T06:49:21"
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"sha256": "1368aa3090fca90b",
"source_tier": "lcsc"
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