component
TL431CDBZR
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-23-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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tl431cdbzr: specified limits as data (metadata.characteristics, 19 rows from the datasheet)
2 files changed
+261
README.md+26@@ -21,6 +21,32 @@ TL431CDBZR from Texas Instruments, in a SOT-23-3. Pinout and pin descriptions ex | 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 | Vref | 2440 | 2495 | 2550 | mV | VKA = Vref，IKA = 10mA | 7 |+| Reference voltage deviation over temperature range (SOT23-3) | VI(dev) | | 6 | 16 | mV | VKA = Vref，IKA = 10mA | 7 |+| Ratio of reference voltage change to cathode voltage change | ΔVref/ΔVKA | | -1.4 | -2.7 | mV/V | IKA = 10mA，ΔVKA = 10V - Vref | 7 |+| Ratio of reference voltage change to cathode voltage change | ΔVref/ΔVKA | | -1 | -2 | mV/V | IKA = 10mA，ΔVKA = 36V - 10V | 7 |+| Reference input current | Iref | | 2 | 4 | µA | IKA = 10mA，R1 = 10kΩ，R2 = ∞ | 7 |+| Reference input current deviation over temperature range | II(dev) | | 0.4 | 1.2 | µA | IKA = 10mA，R1 = 10kΩ，R2 = ∞ | 7 |+| Minimum cathode current for regulation | Imin | | 0.4 | 1 | mA | VKA = Vref | 7 |+| Off-state cathode current | Ioff | | 0.1 | 1 | µA | VKA = 36V，Vref = 0 | 7 |+| Dynamic impedance | /ZKA/ | | 0.2 | 0.5 | Ω | VKA = Vref，f ≤ 1kHz，IKA = 1mA 至 100mA | 7 |+| Cathode voltage | VKA | | | 36 | V | Minimum printed as Vref (not a number) | 6 |+| Continuous cathode current range | IKA | 1 | | 100 | mA | | 6 |+| Operating free-air temperature range (TL43xxC) | TA | 0 | | 70 | °C | TL43xxC, free-air | 6 |+| Cathode voltage | VKA | | | 37 | V | | 6 |+| Continuous cathode current range | IKA | -100 | | 150 | mA | | 6 |+| Reference input current | 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 (DBZ, SOT-23-3) | RθJA | | 206 | | °C/W | | 6 |+| Junction-to-case (top) thermal resistance (DBZ, SOT-23-3) | RθJC(top) | | 76 | | °C/W | | 6 |+ ## CAD (KiCad official) - Symbol: `TL431CDBZR`
page.json+235@@ -133,6 +133,241 @@ "Package": "SOT-23-3", "Category": "Power Management (PMIC)", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "313277b9351e61ed",+ "rows": [+ {+ "name": "Reference voltage",+ "symbol": "Vref",+ "kind": "electrical",+ "unit": "mV",+ "min": 2440,+ "typ": 2495,+ "max": 2550,+ "conditions": "VKA = Vref，IKA = 10mA",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage deviation over temperature range (SOT23-3)",+ "symbol": "VI(dev)",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 6,+ "max": 16,+ "conditions": "VKA = Vref，IKA = 10mA",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Ratio of reference voltage change to cathode voltage change",+ "symbol": "ΔVref/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1.4,+ "max": -2.7,+ "conditions": "IKA = 10mA，ΔVKA = 10V - Vref",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Ratio of reference voltage change to cathode voltage change",+ "symbol": "ΔVref/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1,+ "max": -2,+ "conditions": "IKA = 10mA，ΔVKA = 36V - 10V",+ "source_page": 7,+ "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": 7,+ "source": "datasheet"+ },+ {+ "name": "Reference input current deviation over temperature range",+ "symbol": "II(dev)",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.4,+ "max": 1.2,+ "conditions": "IKA = 10mA，R1 = 10kΩ，R2 = ∞",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Minimum cathode current for regulation",+ "symbol": "Imin",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.4,+ "max": 1,+ "conditions": "VKA = Vref",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Off-state cathode current",+ "symbol": "Ioff",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.1,+ "max": 1,+ "conditions": "VKA = 36V，Vref = 0",+ "source_page": 7,+ "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 至 100mA",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Cathode voltage",+ "symbol": "VKA",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 36,+ "conditions": "Minimum printed as Vref (not a number)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Continuous cathode current range",+ "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": "TL43xxC, free-air",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Cathode voltage",+ "symbol": "VKA",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 37,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Continuous cathode current range",+ "symbol": "IKA",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": -100,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Reference input current",+ "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 (DBZ, SOT-23-3)",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 206,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case (top) thermal resistance (DBZ, SOT-23-3)",+ "symbol": "RθJC(top)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 76,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ }+ ] } }, "variants": [],