component
LM431BIM
Public Made by Adomby adom
HGSEMI Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"title": "LM431BIM",
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{
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{
"number": "3",
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"description": "Anode (A) of the shunt regulator, connected to the most negative supply/ground potential."
},
{
"number": "4",
"name": "NC",
"type": "unconnected",
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},
{
"number": "5",
"name": "NC",
"type": "unconnected",
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},
{
"number": "6",
"name": "ANODE",
"type": "passive",
"description": "Anode (A) of the shunt regulator, connected to the most negative supply/ground potential."
},
{
"number": "7",
"name": "ANODE",
"type": "passive",
"description": "Anode (A) of the shunt regulator, connected to the most negative supply/ground potential."
},
{
"number": "8",
"name": "REF",
"type": "input",
"description": "Reference input of the shunt regulator with nominal Vref of 2.495V (LM431B: 2.470V to 2.520V) and reference input current up to 10mA absolute maximum."
}
],
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"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet draws four ANODE pins (2, 3, 6, 7) and does not say whether they are internally tied t; The ordering table lists LM431BIM/TR in SOP-8. The MPN LM431BIM is taken to be this part, with B gra",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
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"cost_usd": 0.2287,
"at": "2026-10-18T03:47:49"
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"sha256": "7e234b72ffe30494",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
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"described": 8,
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"metadata": {
"specs": {
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"Package": "SOP-8",
"Category": "Power Management (PMIC)",
"Pins": "8"
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"name": "Reference voltage (LM431B)",
"symbol": "VREF",
"kind": "electrical",
"unit": "V",
"min": 2.47,
"typ": 2.495,
"max": 2.52,
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{
"name": "Dynamic impedance",
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"unit": "Ω",
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{
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"conditions": "IKA=10mA, R1=10KΩ, R2=∞",
"source_page": 4,
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{
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"typ": null,
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"conditions": "VKA =VREF - 0.4",
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{
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{
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{
"name": "Operating junction temperature",
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{
"name": "Storage temperature range",
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{
"name": "Lead temperature (soldering)",
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{
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"min": -40,
"typ": null,
"max": 85,
"conditions": "LM431xI (industrial grade; LM431BI)",
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