component
LR431AKLT1G
Public Made by Adomby adom
LRC Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
lr431aklt1g: specified limits as data (metadata.characteristics, 17 rows from the datasheet)
2 files changed
+235
README.md+24@@ -21,6 +21,30 @@ LR431AKLT1G from LRC, in a SOT-23. Pinout and pin descriptions extracted from th | Category | Power Management (PMIC) | | Pins | 3 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Reference Input Voltage 1 (0.5% grade, Vref 2.50 V class) | Vref | 2.488 | 2.5 | 2.512 | V | VKA=VREF,IKA=10mA | 2 |+| Reference Input Voltage 2 (0.5% grade, Vref 2.495 V class) | Vref | 2.483 | 2.495 | 2.507 | V | VKA=VREF,IKA=10mA | 2 |+| Deviation of reference input voltage over temperature | Vref | | 8 | 17 | mV | VKA=VREF,IKA=10mA,TMIN to TA to TMAX | 2 |+| Ratio of change in reference input voltage to change in cathode voltage (VKA=10V to VREF) | Vref/VKA | | -1 | -2.7 | mV/V | IKA=10mA,VKA=10V~VREF | 2 |+| Ratio of change in reference input voltage to change in cathode voltage (VKA=36V to 10V) | Vref/VKA | | -0.4 | | mV/V | IKA=10mA,VKA=36V~10V | 2 |+| Reference input current | Iref | | 0.5 | 1.2 | µA | IKA=10mA,R1=10kΩ,R2= | 2 |+| Deviation of reference input current over full temperature range | Iref/T | | 0.4 | 1.2 | µA | IKA=10mA,R1=10k,R2=,TA=full temperature range | 2 |+| Minimum cathode current for regulation | IKA(min) | | 0.08 | 0.3 | mA | VKA=VREF | 2 |+| Off-state cathode current | IKA(OFF) | | 0.01 | 0.8 | µA | VKA=36V,VREF=0 | 2 |+| Dynamic impedance | ZKA | | 0.1 | 0.37 | Ω | VKA=VREF,IKA=0.2 to 100mA,f1.0kHz | 2 |+| Cathode current (continuous) recommended range | IKA | | | 100 | mA | | 2 |+| Operating ambient temperature range (classification table) | Topr | -40 | | 125 | °C | | 2 |+| Cathode current range (continuous) | IKA | -100 | | 150 | mA | | 2 |+| Reference input current range | Iref | -0.05 | | 10 | mA | | 2 |+| Operating junction temperature | Tj | | | 150 | °C | | 2 |+| Storage temperature | Tstg | -65 | | 150 | °C | | 2 |+| Thermal resistance, junction to ambient | θJA | | | 206 | °C/W | | 2 |+ ## CAD (KiCad official) - Symbol: `LR431AKLT1G`
page.json+211@@ -133,6 +133,217 @@ "Package": "SOT-23", "Category": "Power Management (PMIC)", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "2af43aa6be3e061f",+ "rows": [+ {+ "name": "Reference Input Voltage 1 (0.5% grade, Vref 2.50 V class)",+ "symbol": "Vref",+ "kind": "electrical",+ "unit": "V",+ "min": 2.488,+ "typ": 2.5,+ "max": 2.512,+ "conditions": "VKA=VREF,IKA=10mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reference Input Voltage 2 (0.5% grade, Vref 2.495 V class)",+ "symbol": "Vref",+ "kind": "electrical",+ "unit": "V",+ "min": 2.483,+ "typ": 2.495,+ "max": 2.507,+ "conditions": "VKA=VREF,IKA=10mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Deviation of reference input voltage over temperature",+ "symbol": "Vref",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 8,+ "max": 17,+ "conditions": "VKA=VREF,IKA=10mA,TMIN to TA to TMAX",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Ratio of change in reference input voltage to change in cathode voltage (VKA=10V to VREF)",+ "symbol": "Vref/VKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1,+ "max": -2.7,+ "conditions": "IKA=10mA,VKA=10V~VREF",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Ratio of change in reference input voltage to change in cathode voltage (VKA=36V to 10V)",+ "symbol": "Vref/VKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -0.4,+ "max": null,+ "conditions": "IKA=10mA,VKA=36V~10V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reference input current",+ "symbol": "Iref",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.5,+ "max": 1.2,+ "conditions": "IKA=10mA,R1=10kΩ,R2=",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Deviation of reference input current over full temperature range",+ "symbol": "Iref/T",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.4,+ "max": 1.2,+ "conditions": "IKA=10mA,R1=10k,R2=,TA=full temperature range",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Minimum cathode current for regulation",+ "symbol": "IKA(min)",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.08,+ "max": 0.3,+ "conditions": "VKA=VREF",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Off-state cathode current",+ "symbol": "IKA(OFF)",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.01,+ "max": 0.8,+ "conditions": "VKA=36V,VREF=0",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Dynamic impedance",+ "symbol": "ZKA",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": 0.1,+ "max": 0.37,+ "conditions": "VKA=VREF,IKA=0.2 to 100mA,f1.0kHz",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode current (continuous) recommended range",+ "symbol": "IKA",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 100,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Operating ambient temperature range (classification table)",+ "symbol": "Topr",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode current range (continuous)",+ "symbol": "IKA",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": -100,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reference input current range",+ "symbol": "Iref",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": -0.05,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Operating junction temperature",+ "symbol": "Tj",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance, junction to ambient",+ "symbol": "θJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": null,+ "max": 206,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ }+ ] } }, "variants": [],