component
LTC4217CDHC#TRPBF
Public Made by Adomby adom
Analog Devices Surge Suppressors, DFN-16-EP(3x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"slug": "ltc4217cdhc-trpbf",
"title": "LTC4217CDHC#TRPBF",
"brief": "Analog Devices Surge Suppressors, DFN-16-EP(3x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "LTC4217CDHC#TRPBF",
"manufacturer": "Analog Devices",
"package": "DFN-16-EP(3x5)",
"pin_count": 17,
"category": "TVS/Fuse/Board Level Protection",
"subcategory": "Surge Suppressors",
"datasheet": "https://www.analog.com/media/en/technical-documentation/data-sheets/4217fg.pdf",
"parts": {
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"distributor_links": {
"lcsc": "C687462",
"digikey": "LTC4217CDHC#TRPBFTR-ND",
"mouser": "584-LTC4217CDHCTRPBF"
},
"distributor_check": {
"checked_at": "2026-10-30T21:18:41Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "LTC4217CDHC#TRPBFTR-ND",
"status": "found"
},
"mouser": {
"pn": "584-LTC4217CDHCTRPBF",
"status": "found",
"lifecycle": "Restricted Availability"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Supply voltage and current sense input with a 2.9V to 26.5V operating range and a 2.73V undervoltage lockout threshold."
},
{
"number": "2",
"name": "UV",
"type": "input",
"description": "Undervoltage comparator input; the switch turns off when UV falls below 1.15V, and pulling it below 0.62V resets an overcurrent fault. Tie high if unused."
},
{
"number": "3",
"name": "OV",
"type": "input",
"description": "Overvoltage comparator input; the switch turns off when OV rises above 1.235V. Tie to GND if unused."
},
{
"number": "4",
"name": "TIMER",
"type": "passive",
"description": "Timer input; a capacitor to ground sets a 12ms/µF current-limit duration before the switch turns off, and tying it to INTVCC gives a fixed 2ms overcurrent delay and 100ms auto-retry."
},
{
"number": "5",
"name": "INTVCC",
"type": "power_out",
"description": "Internal 3.1V supply decoupling output that must have a 1µF or larger bypass capacitor and must not be overloaded."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Device ground."
},
{
"number": "7",
"name": "OUT",
"type": "passive",
"description": "Output of the internal MOSFET switch, connected directly to the load."
},
{
"number": "8",
"name": "OUT",
"type": "passive",
"description": "Output of the internal MOSFET switch, connected directly to the load."
},
{
"number": "9",
"name": "OUT",
"type": "passive",
"description": "Output of the internal MOSFET switch, connected directly to the load."
},
{
"number": "10",
"name": "GATE",
"type": "output",
"description": "Gate drive for the internal N-channel MOSFET, with a 24µA pull-up, a 0.3V/ms start-up ramp, a 250µA pull-down during UV/OV faults, and a 140mA fast pull-down during short-circuit or UVLO."
},
{
"number": "11",
"name": "PG",
"type": "output",
"description": "Open-drain power good output that pulls low when FB falls below 1.21V and releases high when FB rises above 1.23V and GATE-to-OUT exceeds 4.2V."
},
{
"number": "12",
"name": "FLT",
"type": "output",
"description": "Open-drain overcurrent fault output that pulls low when the circuit breaker trips; tie to UV for overcurrent auto-retry."
},
{
"number": "13",
"name": "FB",
"type": "input",
"description": "Foldback and power good input; below 0.6V the current limit is reduced by foldback, and below 1.21V the PG pin pulls low."
},
{
"number": "14",
"name": "IMON",
"type": "output",
"description": "Current monitor output sourcing the MOSFET current divided by 20,000; a 20k resistor to GND gives 0V to 2V for 0A to 2A."
},
{
"number": "15",
"name": "ISET",
"type": "output",
"description": "Current limit adjustment pin; leave open for a 2A limit, and RSET to ground should not be less than 2k."
},
{
"number": "16",
"name": "VDD",
"type": "power_in",
"description": "Supply voltage and current sense input with a 2.9V to 26.5V operating range and a 2.73V undervoltage lockout threshold."
},
{
"number": "17",
"name": "SENSE",
"type": "passive",
"description": "Exposed pad and current sense node / MOSFET drain that limits the VDD-to-SENSE voltage to 15mV (2A) or less and must be soldered to an electrically isolated PCB trace for heat transfer."
}
],
"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 pin-to-number mapping for the DHC package was inferred from the garbled text extraction of the p; The page 2 drawing extraction lists OUT on multiple pins without a clear per-pin assignment; pins 7,; Pin types (passive, output, power_out) are assigned by function from the pin description text, since",
"2/17 pins cited to the wrong page (name found elsewhere): ['16:VDD@p7', '17:SENSE@p7']"
],
"pages_sent": 14,
"cost_usd": 0.1016,
"at": "2026-10-30T21:18:26"
},
"datasheet": {
"url": "https://www.analog.com/media/en/technical-documentation/data-sheets/4217fg.pdf",
"pages": 20,
"sha256": "ec0c241caa1e59bf",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "ltc4217cdhc-trpbf.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3,
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
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"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "DHC16",
"source_page": 17,
"D": {
"nom_mm": 5,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 3,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.75,
"range_mm": [
null,
null
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},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "ltc4217cdhc-trpbf.step",
"verdict": "PASS",
"reasons": [
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}
},
"metadata": {
"specs": {
"Manufacturer": "Analog Devices",
"Package": "DFN-16-EP(3x5)",
"Category": "TVS/Fuse/Board Level Protection",
"Pins": "17"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "ec0c241caa1e59bf0f9e9fbd10b2aafab166e07707b437f667156543d497326a",
"rows": [
{
"name": "Supply Voltage",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 28,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Voltages FB, OV, UV",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 12,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input Voltage TIMER",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Voltages PG, FLT",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 35,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Voltages ISET, IMON",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output Voltage INTVCC",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 3.5,
"conditions": "",
"source_page": 2,
"source": "datasheet"
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{
"name": "Output Voltage GATE",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 33,
"conditions": "Note 3",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 125,
"conditions": "Notes 4, 5",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating Ambient Temperature Range LTC4217C",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": 0,
"typ": null,
"max": 70,
"conditions": "C-grade",
"source_page": 2,
"source": "datasheet"
},
{
"name": "VDD Input Supply Range",
"symbol": "VDD",
"kind": "electrical",
"unit": "V",
"min": 2.9,
"typ": null,
"max": 26.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "IDD Input Supply Current",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.6,
"max": 3,
"conditions": "MOSFET On, No Load",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Input Supply Undervoltage Lockout",
"symbol": "VDD(UVL)",
"kind": "electrical",
"unit": "V",
"min": 2.65,
"typ": 2.73,
"max": 2.85,
"conditions": "VDD Rising",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current Limit Threshold",
"symbol": "ILIM(TH)",
"kind": "electrical",
"unit": "A",
"min": 1.9,
"typ": 2,
"max": 2.1,
"conditions": "VFB = 1.23V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current Limit Threshold (full temperature range)",
"symbol": "ILIM(TH)",
"kind": "electrical",
"unit": "A",
"min": 1.85,
"typ": 2,
"max": 2.15,
"conditions": "VFB = 1.23V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current Limit Threshold foldback",
"symbol": "ILIM(TH)",
"kind": "electrical",
"unit": "A",
"min": 0.35,
"typ": 0.5,
"max": 0.7,
"conditions": "VFB = 0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Current Limit Threshold with RSET",
"symbol": "ILIM(TH)",
"kind": "electrical",
"unit": "A",
"min": 0.85,
"typ": 1,
"max": 1.17,
"conditions": "VFB = 1.23V, RSET = 20kΩ",
"source_page": 3,
"source": "datasheet"
},
{
"name": "MOSFET + Sense Resistor On-Resistance",
"symbol": "RON",
"kind": "electrical",
"unit": "mΩ",
"min": 15,
"typ": 33,
"max": 50,
"conditions": "C-Grade, I-Grade",
"source_page": 3,
"source": "datasheet"
},
{
"name": "GATE Pin Turn-On Ramp Rate",
"symbol": "dVGATE/dt",
"kind": "electrical",
"unit": "V/ms",
"min": 0.15,
"typ": 0.3,
"max": 0.55,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "OV, UV, FB Input Current",
"symbol": "IIN",
"kind": "electrical",
"unit": "µA",
"min": -1,
"typ": 0,
"max": 1,
"conditions": "V = 1.2V, LTC4217",
"source_page": 4,
"source": "datasheet"
},
{
"name": "OV, UV, FB Threshold Voltage",
"symbol": "VTH",
"kind": "electrical",
"unit": "V",
"min": 1.21,
"typ": 1.235,
"max": 1.26,
"conditions": "VPIN Rising",
"source_page": 4,
"source": "datasheet"
},
{
"name": "OV Hysteresis",
"symbol": "ΔVOV(HYST)",
"kind": "electrical",
"unit": "mV",
"min": 10,
"typ": 20,
"max": 30,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "UV Hysteresis",
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"kind": "electrical",
"unit": "mV",
"min": 50,
"typ": 80,
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"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "UV Reset Threshold Voltage",
"symbol": "VUV(RTH)",
"kind": "electrical",
"unit": "V",
"min": 0.55,
"typ": 0.62,
"max": 0.7,
"conditions": "VUV Falling",
"source_page": 4,
"source": "datasheet"
},
{
"name": "FB Power Good Hysteresis",
"symbol": "ΔVFB(HYST)",
"kind": "electrical",
"unit": "mV",
"min": 10,
"typ": 20,
"max": 30,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "ISET Internal Resistor",
"symbol": "RISET",
"kind": "electrical",
"unit": "kΩ",
"min": 19,
"typ": 20,
"max": 21,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "PG, FLT Input Leakage Current",
"symbol": "IOH",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": 0,
"max": 10,
"conditions": "30V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "TIMER Pin High Threshold",
"symbol": "VTIMER(H)",
"kind": "electrical",
"unit": "V",
"min": 1.2,
"typ": 1.235,
"max": 1.28,
"conditions": "VTIMER Rising",
"source_page": 4,
"source": "datasheet"
},
{
"name": "TIMER Pin Low Threshold",
"symbol": "VTIMER(L)",
"kind": "electrical",
"unit": "V",
"min": 0.1,
"typ": 0.21,
"max": 0.3,
"conditions": "VTIMER Falling",
"source_page": 4,
"source": "datasheet"
},
{
"name": "TIMER Pin Pull-Up Current",
"symbol": "ITIMER(UP)",
"kind": "electrical",
"unit": "µA",
"min": -120,
"typ": -100,
"max": -80,
"conditions": "VTIMER = 0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "TIMER Pin Pull-Down Current",
"symbol": "ITIMER(DN)",
"kind": "electrical",
"unit": "µA",
"min": 1.4,
"typ": 2,
"max": 2.6,
"conditions": "VTIMER = 1.2V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "TIMER Pin Current Ratio",
"symbol": "ITIMER(RATIO)",
"kind": "electrical",
"unit": "%",
"min": 1.6,
"typ": 2,
"max": 2.7,
"conditions": "ITIMER(DN)/ITIMER(UP)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "IMON Pin Current Gain",
"symbol": "AIMON",
"kind": "electrical",
"unit": "µA/A",
"min": 47.5,
"typ": 50,
"max": 52.5,
"conditions": "IOUT = 2A",
"source_page": 4,
"source": "datasheet"
},
{
"name": "IMON Pin Offset Current",
"symbol": "IOFF(IMON)",
"kind": "electrical",
"unit": "µA",
"min": -7.5,
"typ": 0,
"max": 7.5,
"conditions": "IOUT = 132mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Gate Pull-Up Current",
"symbol": "IGATE(UP)",
"kind": "electrical",
"unit": "µA",
"min": -29,
"typ": -24,
"max": -19,
"conditions": "Gate Drive On, VGATE = VOUT = 12V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Gate Pull-Down Current",
"symbol": "IGATE(DN)",
"kind": "electrical",
"unit": "µA",
"min": 190,
"typ": 250,
"max": 400,
"conditions": "Gate Drive Off, VGATE = 18V, VOUT = 12V; C-Grade, I-Grade",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input High (OV), Input Low (UV) to Gate Low Propagation Delay",
"symbol": "tPHL(GATE)",
"kind": "electrical",
"unit": "µs",
"min": null,
"typ": 8,
"max": 10,
"conditions": "VGATE < 16.5V Falling",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Short-Circuit to Gate Low Propagation Delay",
"symbol": "tPHL(ILIM)",
"kind": "electrical",
"unit": "µs",
"min": null,
"typ": 1,
"max": 5,
"conditions": "VFB = 0, Step ISENSE to 1.2A, VGATE < 16.5V Falling",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Turn-On Delay",
"symbol": "tD(ON)",
"kind": "electrical",
"unit": "ms",
"min": 50,
"typ": 100,
"max": 150,
"conditions": "Step VUV to 2V, VGATE > 13V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Circuit Breaker Filter Delay Time (Internal)",
"symbol": "tD(CB)",
"kind": "electrical",
"unit": "ms",
"min": 1.5,
"typ": 2,
"max": 2.7,
"conditions": "VFB = 0V, Step ISENSE to 1.2A; C-Grade, I-Grade",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Auto-Retry Turn-On Delay (Internal)",
"symbol": "tD(AUTO-RETRY)",
"kind": "electrical",
"unit": "ms",
"min": 50,
"typ": 100,
"max": 150,
"conditions": "",
"source_page": 4,
"source": "datasheet"
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