component
TL431BQD
Public Made by Adomby adom
Texas Instruments Voltage References, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "TL431BQD",
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"manufacturer": "Texas Instruments",
"package": "SOIC-8",
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"category": "Power Management ICs",
"subcategory": "Voltage References",
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{
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{
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},
{
"number": "6",
"name": "ANODE",
"type": "power_in",
"description": "Common anode pin, normally connected to ground; internally common with the other ANODE pins (2, 3, 6, 7)."
},
{
"number": "7",
"name": "ANODE",
"type": "power_in",
"description": "Common anode pin, normally connected to ground; internally common with the other ANODE pins (2, 3, 6, 7)."
},
{
"number": "8",
"name": "REF",
"type": "input",
"description": "Threshold input relative to the common anode, regulated to about 2.5V (Vref); it must not be left floating and needs reference input current of at least 4µA."
}
],
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"extractor flagged: The D-package diagram carries an asterisk note ('Must be connected to ANODE or left open'), but the ; The datasheet lists ANODE as type 'O' and CATHODE as 'I/O'. I mapped ANODE to power_in (ground-type "
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"Package": "SOIC-8",
"Category": "Power Management ICs",
"Pins": "8"
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"min": 2483,
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"conditions": "VKA = Vref, IKA = 10mA, TA = 25°C",
"source_page": 14,
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{
"name": "Deviation of reference input voltage over full temperature range",
"symbol": "VI(dev)",
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"min": null,
"typ": 14,
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"conditions": "VKA = Vref, IKA = 10mA",
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{
"name": "Ratio of change in reference voltage to change in cathode voltage (10V - Vref)",
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"min": null,
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{
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{
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"min": null,
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"source": "datasheet"
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{
"name": "Deviation of reference input current over full temperature range",
"symbol": "II(dev)",
"kind": "electrical",
"unit": "µA",
"min": null,
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"max": 2.5,
"conditions": "IKA = 10mA, R1 = 10kΩ, R2 = ∞",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Minimum cathode current for regulation",
"symbol": "Imin",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.4,
"max": 0.7,
"conditions": "VKA = Vref",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Off-state cathode current",
"symbol": "Ioff",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.1,
"max": 0.5,
"conditions": "VKA = 36V, Vref = 0",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Dynamic Impedance",
"symbol": "|ZKA|",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 0.2,
"max": 0.5,
"conditions": "VKA = Vref, f ≤ 1kHz, IKA = 1mA to 100mA",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Cathode Voltage (absolute maximum)",
"symbol": "VKA",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 37,
"conditions": "over operating free-air temperature range; with respect to ANODE",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Continuous Cathode Current Range (absolute maximum)",
"symbol": "IKA",
"kind": "absolute_maximum",
"unit": "mA",
"min": -100,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Reference Input Current (absolute maximum)",
"symbol": "II(ref)",
"kind": "absolute_maximum",
"unit": "mA",
"min": -0.05,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Operating Junction Temperature Range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Storage Temperature Range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
"name": "ESD HBM",
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"kind": "absolute_maximum",
"unit": "V",
"min": -2000,
"typ": null,
"max": 2000,
"conditions": "Human body model (HBM), per ANSI/ESDA/JEDEC JS-001",
"source_page": 5,
"source": "datasheet"
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{
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"kind": "absolute_maximum",
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"conditions": "Charged-device model (CDM), per JEDEC specification JESD22-C101",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Cathode Voltage (recommended)",
"symbol": "VKA",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 36,
"conditions": "min is Vref",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Continuous Cathode Current Range (recommended)",
"symbol": "IKA",
"kind": "recommended_operating",
"unit": "mA",
"min": 1,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 5,
"source": "datasheet"
},
{
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"unit": "°C",
"min": -40,
"typ": null,
"max": 125,
"conditions": "TL43xxQ",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-ambient thermal resistance",
"symbol": "RθJA",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 97,
"max": null,
"conditions": "D package (8 pins)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Junction-to-case (top) thermal resistance",
"symbol": "RθJC(top)",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 39,
"max": null,
"conditions": "D package (8 pins)",
"source_page": 5,
"source": "datasheet"
}
]
}
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