component
TL431BCLP
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Texas Instruments Voltage Reference, TO-92-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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tl431bclp: specified limits as data (metadata.characteristics, 19 rows from the datasheet)
2 files changed
+262−1
README.md+26@@ -21,6 +21,32 @@ TL431BCLP from Texas Instruments, in a TO-92-3. Pinout and pin descriptions extr | 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 voltage (TL431BC, VKA = Vref, IKA = 10 mA) | Vref | 2483 | 2495 | 2507 | mV | VKA = Vref, IKA = 10mA | 13 |+| Reference voltage deviation over full temperature range | VI(dev) | | 6 | 16 | mV | VKA = Vref, IKA = 10mA | 13 |+| Reference voltage change to cathode voltage change ratio (10 V to Vref) | ΔVref/ΔVKA | | -1.4 | -2.7 | mV/V | IKA = 10mA, ΔVKA = 10V - Vref | 13 |+| Reference voltage change to cathode voltage change ratio (36 V to 10 V) | ΔVref/ΔVKA | | -1 | -2 | mV/V | IKA = 10mA, ΔVKA = 36V - 10V | 13 |+| Reference input current | Iref | | 2 | 4 | µA | IKA = 10mA, R1 = 10kΩ, R2 = ∞ | 13 |+| Reference input current deviation over full temperature range | II(dev) | | 0.8 | 1.2 | µA | IKA = 10mA, R1 = 10kΩ, R2 = ∞ | 13 |+| Minimum cathode current for regulation | Imin | | 0.4 | 0.6 | mA | VKA = Vref | 13 |+| Off-state cathode current | Ioff | | 0.1 | 0.5 | µA | VKA = 36V, Vref = 0 | 13 |+| Dynamic impedance | /ZKA/ | | 0.2 | 0.5 | Ω | VKA = Vref, f ≤ 1kHz, IKA = 1mA to 100mA | 13 |+| Cathode voltage (recommended) | VKA | | | 36 | V | | 6 |+| Continuous cathode current range (recommended) | IKA | 1 | | 100 | mA | | 6 |+| Operating free-air temperature range, TL43xxC | TA | 0 | | 70 | °C | Natural ventilation, TL43xxC | 6 |+| Cathode voltage (absolute maximum) | VKA | | | 37 | V | | 6 |+| Continuous cathode current range (absolute maximum) | IKA | -100 | | 150 | mA | | 6 |+| Reference input current (absolute maximum) | II(ref) | -0.05 | | 10 | mA | | 6 |+| Operating junction temperature range | TJ | | | 150 | °C | | 6 |+| Storage temperature range | Tstg | -65 | | 150 | °C | | 6 |+| Junction-to-ambient thermal resistance (LP package) | RθJA | | 140 | | °C/W | | 6 |+| Junction-to-case (top) thermal resistance (LP package) | RθJC(top) | | 55 | | °C/W | | 6 |+ ## CAD (KiCad official) - Symbol: `TL431BCLP`
page.json+236−1@@ -150,6 +150,241 @@ "Package": "TO-92-3", "Category": "Power Management (PMIC)", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "313277b9351e61ed",+ "rows": [+ {+ "name": "Reference voltage (TL431BC, VKA = Vref, IKA = 10 mA)",+ "symbol": "Vref",+ "kind": "electrical",+ "unit": "mV",+ "min": 2483,+ "typ": 2495,+ "max": 2507,+ "conditions": "VKA = Vref, IKA = 10mA",+ "source_page": 13,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage deviation over full temperature range",+ "symbol": "VI(dev)",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 6,+ "max": 16,+ "conditions": "VKA = Vref, IKA = 10mA",+ "source_page": 13,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage change to cathode voltage change ratio (10 V to Vref)",+ "symbol": "ΔVref/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1.4,+ "max": -2.7,+ "conditions": "IKA = 10mA, ΔVKA = 10V - Vref",+ "source_page": 13,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage change to cathode voltage change ratio (36 V to 10 V)",+ "symbol": "ΔVref/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1,+ "max": -2,+ "conditions": "IKA = 10mA, ΔVKA = 36V - 10V",+ "source_page": 13,+ "source": "datasheet"+ },+ {+ "name": "Reference input current",+ "symbol": "Iref",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 2,+ "max": 4,+ "conditions": "IKA = 10mA, R1 = 10kΩ, R2 = ∞",+ "source_page": 13,+ "source": "datasheet"+ },+ {+ "name": "Reference input current deviation over full temperature range",+ "symbol": "II(dev)",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.8,+ "max": 1.2,+ "conditions": "IKA = 10mA, R1 = 10kΩ, R2 = ∞",+ "source_page": 13,+ "source": "datasheet"+ },+ {+ "name": "Minimum cathode current for regulation",+ "symbol": "Imin",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.4,+ "max": 0.6,+ "conditions": "VKA = Vref",+ "source_page": 13,+ "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": 13,+ "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": 13,+ "source": "datasheet"+ },+ {+ "name": "Cathode voltage (recommended)",+ "symbol": "VKA",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 36,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Continuous cathode current range (recommended)",+ "symbol": "IKA",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": 1,+ "typ": null,+ "max": 100,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Operating free-air temperature range, TL43xxC",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": 0,+ "typ": null,+ "max": 70,+ "conditions": "Natural ventilation, TL43xxC",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Cathode voltage (absolute maximum)",+ "symbol": "VKA",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 37,+ "conditions": "",+ "source_page": 6,+ "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": 6,+ "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": 6,+ "source": "datasheet"+ },+ {+ "name": "Operating junction temperature range",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature range",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-ambient thermal resistance (LP package)",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 140,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case (top) thermal resistance (LP package)",+ "symbol": "RθJC(top)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 55,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -191,4 +426,4 @@ "visibility": { "public": true }-}+}