component
TL431S
Public Made by Adomby adom
UMW Voltage Reference, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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tl431s: specified limits as data (metadata.characteristics, 14 rows from the datasheet)
2 files changed
+197−1
README.md+21@@ -21,6 +21,27 @@ TL431S from UMW, in a SOT-89-3. Pinout and pin descriptions extracted from the m | 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 |+|---|---|---|---|---|---|---|---|+| Cathode Voltage | VKA | | | 40 | V | | 2 |+| Cathode Current Range (Continuous) | IK | -100 | | 150 | mA | | 2 |+| Reference Input Current Range | IREF | 0.05 | | 10 | mA | | 2 |+| Operating Temperature Range | Toper. | -40 | | 85 | °C | | 2 |+| Junction Temperature Range | TJ | | | 150 | °C | | 2 |+| Storage Temperature Range | TSTG | -65 | | 150 | °C | | 2 |+| Cathode Voltage | VKA | | | 36 | V | | 2 |+| Cathode Current | IK | 0.5 | | 100 | mA | | 2 |+| Reference Input Voltage (0.5% grade) | VREF | 2.483 | 2.495 | 2.508 | V | TA=25°C, VKA=VREF, IK=10mA | 3 |+| Deviation of Reference Input Voltage Over Full Temperature Range | VREF(dev) | | 3 | 17 | mV | Tmin≤Ta≤Tmax | 3 |+| Reference Input Current | IREF | | 2 | 4 | µA | R1=10KΩ, R2=∞ | 3 |+| Deviation of Reference Input Current Over Full Temperature Range | IREF(dev) | | 0.4 | 1.2 | µA | Tmin≤Ta≤Tmax, R1=10KΩ, R2=∞ | 3 |+| Dynamic Impedance | ZKA | | 0.27 | | Ω | IK=1mA to 100mA, f≤1.0KHz | 3 |+| Thermal Resistance From Junction to Ambient in Free Air (SOT-89) | θJA | | 400 | | °C/W | Free air, component mounted on high effective thermal conductivity test board | 2 |+ ## CAD (KiCad official) - Symbol: `TL431S`
page.json+176−1@@ -148,6 +148,181 @@ "Package": "SOT-89-3", "Category": "Power Management (PMIC)", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "7c8052c62fb0f6ba",+ "rows": [+ {+ "name": "Cathode Voltage",+ "symbol": "VKA",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 40,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode Current Range (Continuous)",+ "symbol": "IK",+ "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 Temperature Range",+ "symbol": "Toper.",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 85,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature Range",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Storage Temperature Range",+ "symbol": "TSTG",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode Voltage",+ "symbol": "VKA",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 36,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode Current",+ "symbol": "IK",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": 0.5,+ "typ": null,+ "max": 100,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reference Input Voltage (0.5% grade)",+ "symbol": "VREF",+ "kind": "electrical",+ "unit": "V",+ "min": 2.483,+ "typ": 2.495,+ "max": 2.508,+ "conditions": "TA=25°C, VKA=VREF, IK=10mA",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Deviation of Reference Input Voltage Over Full Temperature Range",+ "symbol": "VREF(dev)",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 3,+ "max": 17,+ "conditions": "Tmin≤Ta≤Tmax",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Reference Input Current",+ "symbol": "IREF",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 2,+ "max": 4,+ "conditions": "R1=10KΩ, R2=∞",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Deviation of Reference Input Current Over Full Temperature Range",+ "symbol": "IREF(dev)",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.4,+ "max": 1.2,+ "conditions": "Tmin≤Ta≤Tmax, R1=10KΩ, R2=∞",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Dynamic Impedance",+ "symbol": "ZKA",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": 0.27,+ "max": null,+ "conditions": "IK=1mA to 100mA, f≤1.0KHz",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Thermal Resistance From Junction to Ambient in Free Air (SOT-89)",+ "symbol": "θJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 400,+ "max": null,+ "conditions": "Free air, component mounted on high effective thermal conductivity test board",+ "source_page": 2,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -189,4 +364,4 @@ "visibility": { "public": true }-}+}