component
LTC4380IDD-2#TRPBF
Public Made by Adomby adom
Analog Devices Surge Protection Devices (SPDs), DFN-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "input",
"description": "External MOSFET drain-source sense; DRN tracks OUT, RDRN should limit the DRN pin current to 1mA at the peak input voltage, and it should connect to OUT if unused."
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{
"number": "2",
"name": "VCC",
"type": "power_in",
"description": "Positive supply input with 4V to 80V normal operating range; it can go up to 60V below ground in reverse battery conditions without damaging the part."
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{
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"description": "Gate drive for the external N-channel MOSFET, pulled up by a 20µA charge pump regulated to 11.5V above OUT, requiring a minimum of 47nF and a 33Ω series resistor at the pin."
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{
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"type": "input",
"description": "Current sense input connected to the input terminal of the sense resistor, limiting the sense voltage to 50mV (62mV in severe faults), with ΔVSNS (SNS - OUT) limited to less than ±5V."
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{
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"type": "input",
"description": "Output voltage sense at the output terminal of the current sense resistor, which must be bypassed with a minimum of 22µF as close to the pin as possible."
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{
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"name": "SEL",
"type": "input",
"description": "Gate clamp voltage select for LTC4380-1/LTC4380-2, where connecting to GND sets the gate clamp to 31.5V and connecting to VCC or OUT sets it to 50V; it can be pulled up to 80V or below GND by 60V without damage."
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{
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"description": "Open-drain fault output that pulls low when TMR reaches the 1.215V fault threshold, capable of sinking up to 3mA, and should be left open or tied to GND if unused."
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"description": "Device ground."
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{
"number": "9",
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"description": "Turn-on control input that turns the part on above 1.05V or when left open via an internal 1MΩ resistor, and shuts it down (6µA supply current) when pulled below threshold; it can be pulled up to 80V or below GND by 60V without damage."
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"description": "Fault timer input where a capacitor to ground sets the fault turn-off and cool-down time, with the MOSFET turning off when TMR reaches 1.215V; a 10V rated X7R capacitor is recommended."
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{
"number": "11",
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"description": "Exposed pad, which may be left open or connected to device ground (GND)."
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{
"name": "IQ Total Supply Current",
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"conditions": "VCC = –60V, ON Open, SEL = 0V",
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"conditions": "SEL = SNS = OUT = VCC = 12V; 8V ≤ VCC ≤ 30V; IGATE = –1µA, 0µA",
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{
"name": "GATE Drive (GATE – OUT)",
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"conditions": "VCC = 4V; IGATE = –1µA, 0µA",
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{
"name": "GATE Clamp to VCC (GATE – VCC)",
"symbol": "ΔVCLAMP",
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"typ": 13.5,
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"conditions": "SNS = OUT = 20V, IGATE = 0µA",
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{
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"symbol": "VGATE",
"kind": "electrical",
"unit": "V",
"min": 30,
"typ": 31.5,
"max": 33,
"conditions": "VCC = 30V, SEL = 0V (LTC4380-1/LTC4380-2)",
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{
"name": "GATE Clamp to GND",
"symbol": "VGATE",
"kind": "electrical",
"unit": "V",
"min": 47.5,
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"max": 52.5,
"conditions": "VCC = 60V, SEL = VCC (LTC4380-1/LTC4380-2)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "GATE Pull-Up Current",
"symbol": "IGATE(UP)",
"kind": "electrical",
"unit": "µA",
"min": -10,
"typ": -20,
"max": -30,
"conditions": "VCC = GATE = OUT = 12V, SEL = 0V",
"source_page": 4,
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},
{
"name": "GATE Pull-Up Current",
"symbol": "IGATE(UP)",
"kind": "electrical",
"unit": "µA",
"min": -12,
"typ": -25,
"max": -35,
"conditions": "VCC = GATE = OUT = 24V, SEL = VCC",
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{
"name": "GATE Pull-Down Current, Overcurrent",
"symbol": "IGATE(DN)",
"kind": "electrical",
"unit": "mA",
"min": 50,
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"conditions": "ΔVSNS = 200mV, GATE = 12V, OUT = 0V",
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},
{
"name": "GATE Pull-Down Current, Shutdown",
"symbol": "IGATE(DN)",
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"unit": "mA",
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"conditions": "ON = 0V, GATE = 20V",
"source_page": 4,
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},
{
"name": "GATE Pull-Down Current, Input UV",
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"unit": "mA",
"min": 2,
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"conditions": "VCC = 3.5V, GATE = 10V",
"source_page": 4,
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{
"name": "GATE Pull-Down Current, Fault Time Out",
"symbol": "IGATE(DN)",
"kind": "electrical",
"unit": "mA",
"min": 1.5,
"typ": null,
"max": 3.5,
"conditions": "TMR = 2V, GATE = 10V",
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},
{
"name": "Current Limit Sense Voltage (SNS – OUT)",
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"unit": "mV",
"min": 45,
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"name": "Current Limit Sense Voltage (SNS – OUT)",
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{
"name": "Overcurrent Turn-Off Propagation Delay",
"symbol": "tOFF(OC)",
"kind": "electrical",
"unit": "µs",
"min": null,
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"name": "SEL Input Current",
"symbol": "ISEL",
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"conditions": "SEL = 0V to 80V",
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"min": null,
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"name": "FLT Output Low",
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{
"name": "FLT Output Low",
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"kind": "electrical",
"unit": "V",
"min": null,
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