component
SCJT1117B-ADJ
Public Made by Adomby adom
Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "SCJT1117B-ADJ",
"brief": "Changjing Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"category": "Power Management (PMIC)",
"subcategory": "Voltage Regulators - Linear, Low Drop Out (LDO) Regulators",
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},
{
"number": "2",
"name": "OUTPUT",
"type": "power_out",
"description": "Regulated output of the 1A low-dropout regulator, which for the ADJ version is set by VOUT = VREF(1 + R2/R1) + IADJ·R2 and is specified for 1.2 V to 12 V adjustable output."
},
{
"number": "3",
"name": "IN",
"type": "power_in",
"description": "Unregulated input supply, with a 20 V absolute maximum input voltage and a 15 V recommended maximum operating input voltage per the ratings table, and it needs a 10 µF tantalum input capacitor in the typical application."
}
],
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"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pin 1 is printed as 'ADJ/GND'. For the SCJT1117B-ADJ it functions as the adjust pin, but I typed it ; The datasheet's SOT-223 outline shows no tab/fourth pin designation in the pinout, so no tab connect; Pin descriptions use the 1 A, 20 V / 15 V, and 1.2 V to 12 V limits from the ratings and feature tex"
],
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"at": "2026-10-18T22:47:08"
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"sha256": "fd37c845798118f3",
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"units": "mm",
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"seat": "z = 0",
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "77ad6dbacc493cb619c728f26d2ddcf461eb0feb6b977b47d01d51e67016f654",
"checked": "2026-10-18",
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"metadata": {
"specs": {
"Manufacturer": "Changjing",
"Package": "SOT-223",
"Category": "Power Management (PMIC)",
"Pins": "3"
},
"characteristics": {
"version": 1,
"source": "datasheet",
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"rows": [
{
"name": "Reference Voltage",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 1.219,
"typ": 1.25,
"max": 1.281,
"conditions": "IOUT=10mA, VIN=3.23V; 10mA≤IOUT≤1A, 2.75V≤VIN-VOUT≤12V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Adjust Pin Current",
"symbol": "IAdj",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 55,
"max": 120,
"conditions": "VIN=5V, 10mA≤IOUT≤1A",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Line Regulation",
"symbol": "LNR",
"kind": "electrical",
"unit": "%/V",
"min": null,
"typ": 0.03,
"max": 0.2,
"conditions": "IOUT=10mA, 1.5V≤VIN-VOUT≤10.75V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Voltage",
"symbol": "Vi",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 20,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction Temperature",
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"kind": "absolute_maximum",
"unit": "℃",
"min": -25,
"typ": null,
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"conditions": "",
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{
"name": "Storage Temperature",
"symbol": "Tstg",
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"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
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},
{
"name": "Lead Temperature (Soldering)",
"symbol": "TL",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 260,
"conditions": "Soldering, 10s",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD Voltage (Machine Model)",
"symbol": "VESD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 400,
"conditions": "Machine Model",
"source_page": 2,
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{
"name": "Input Voltage (recommended)",
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{
"name": "Operating Junction Temperature (recommended)",
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"unit": "℃",
"min": -25,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance from Junction to Ambient",
"symbol": "RθJA",
"kind": "thermal",
"unit": "℃/W",
"min": null,
"typ": 10,
"max": null,
"conditions": "Junction to ambient",
"source_page": 2,
"source": "datasheet"
}
]
}
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"email": "[email protected]"
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