component
ETA2822E8A
Public Made by Adomby adom
etasolution DC-DC Converters, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"slug": "eta2822e8a",
"title": "ETA2822E8A",
"brief": "etasolution DC-DC Converters, SOP-8-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"mpn": "ETA2822E8A",
"manufacturer": "etasolution",
"package": "SOP-8-EP",
"pin_count": 9,
"category": "Power Management (PMIC)",
"subcategory": "DC-DC Converters",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590919056222601216",
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"distributor_links": {
"lcsc": "C22362745"
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"checked_at": "2026-10-16T22:17:18Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
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"pins": [
{
"number": "1",
"name": "SW",
"type": "output",
"description": "Inductor connection: connect an inductor between SW and the regulator output, with SW voltage limited to -0.3V to VIN+0.3V per the absolute maximum ratings."
},
{
"number": "2",
"name": "ROSC",
"type": "passive",
"description": "Frequency setting: connect a resistor from this pin to GND to set the switching frequency, which the datasheet states can be programmed from 100 kHz to 2 MHz."
},
{
"number": "3",
"name": "RCOMP",
"type": "passive",
"description": "Cable resistance compensation adjust: connect a resistor from this pin to GND to compensate for the voltage drop due to cord resistance."
},
{
"number": "4",
"name": "FB",
"type": "input",
"description": "Feedback input: connect an external resistor divider from the output to FB and GND to set VOUT, with FB voltage of 0.776 V to 0.824 V (0.800 V typical)."
},
{
"number": "5",
"name": "ILIM",
"type": "passive",
"description": "Current limit setting: connect a resistor from this pin to GND to set the output current limit value."
},
{
"number": "6",
"name": "BST",
"type": "passive",
"description": "Bootstrap pin: connect a 100nF capacitor from this pin to SW, with BST voltage limited to -0.3V to SW+6V per the absolute maximum ratings."
},
{
"number": "7",
"name": "VIN",
"type": "power_in",
"description": "Supply voltage: bypass with a 10µF ceramic capacitor to GND; the input operating range is 4V to 36V, with a 42V standoff voltage."
},
{
"number": "8",
"name": "EN",
"type": "input",
"description": "Enable pin: drive high to enable the part and low to disable it, with EN voltage limited to -0.3V to VIN+0.3V per the absolute maximum ratings."
},
{
"number": "9",
"name": "GND",
"type": "power_in",
"description": "Ground connection on the exposed pad of the ESOP-8 package, which the datasheet lists as pin 9."
}
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"extractor flagged: The datasheet names the package ESOP-8 / ESOP8 and orders the ETA2822E8A in ESOP-8 (4000 pcs/reel). ; Pin 9 is the exposed pad, listed as GND. The datasheet does not give a separate numbered pin for it ; Pin types for ROSC, RCOMP, ILIM and BST are classified by me from their function (resistor-set or bo"
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"at": "2026-10-16T22:17:01"
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"Package": "SOP-8-EP",
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"name": "FB Voltage",
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{
"name": "EN Logic Low Voltage",
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{
"name": "SW, EN Voltage",
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{
"name": "BST Voltage",
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"conditions": "Maximum printed as SW+6V (expression, not numeric)",
"source_page": 2,
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{
"name": "Other Pins Voltage",
"symbol": "",
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"min": -0.3,
"typ": null,
"max": 6,
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{
"name": "Operating Temperature Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
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},
{
"name": "Storage Temperature Range",
"symbol": "",
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"unit": "°C",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
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},
{
"name": "ESD HBM (Human Body Mode)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "KV",
"min": null,
"typ": null,
"max": 2,
"conditions": "Human Body Model",
"source_page": 2,
"source": "datasheet"
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{
"name": "ESD MM (Machine Mode)",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 200,
"conditions": "Machine Model",
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{
"name": "Input Standoff Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 42,
"max": null,
"conditions": "",
"source_page": 2,
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},
{
"name": "Input UVLO Rising",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 3.8,
"max": null,
"conditions": "Rising. Hysteresis=150mV",
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},
{
"name": "Input OVP Rising",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": 37.5,
"max": null,
"conditions": "Rising. Hysteresis=1.5V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Shutdown Current",
"symbol": "",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 6,
"max": null,
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"source_page": 2,
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},
{
"name": "Switching Frequency",
"symbol": "",
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"min": null,
"typ": 500,
"max": null,
"conditions": "ROSC=200KΩ",
"source_page": 2,
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},
{
"name": "FoldBack Frequency",
"symbol": "",
"kind": "electrical",
"unit": "KHz",
"min": null,
"typ": 125,
"max": null,
"conditions": "VFB=0, ROSC=200KΩ",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Maximum Duty Cycle",
"symbol": "",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 90,
"max": null,
"conditions": "fOSC < 600KHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "High side Switch On Resistance",
"symbol": "",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 100,
"max": null,
"conditions": "ISW=200mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "High side Switch Current Limit",
"symbol": "",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": 4,
"max": null,
"conditions": "RILIM=250KΩ",
"source_page": 2,
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{
"name": "SW Leakage Current",
"symbol": "",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 10,
"max": null,
"conditions": "VIN=12V,VSW=0, EN= GND",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Soft-Start Time",
"symbol": "",
"kind": "electrical",
"unit": "μs",
"min": null,
"typ": 200,
"max": null,
"conditions": "IOUT=0A, fOSC =300kHz",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Short Circuit Hiccup time ON",
"symbol": "",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 0.5,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Short Circuit Hiccup time OFF",
"symbol": "",
"kind": "electrical",
"unit": "ms",
"min": null,
"typ": 100,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Shutdown",
"symbol": "",
"kind": "electrical",
"unit": "°C",
"min": null,
"typ": 150,
"max": null,
"conditions": "Rising, Hysteresis=30°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Thermal Resistance θJA (ESOP8)",
"symbol": "θJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 50,
"max": null,
"conditions": "ESOP8 package",
"source_page": 2,
"source": "datasheet"
}
]
}
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