component
TL431ASF
Public Made by Adomby adom
HTC Korea TAEJIN Tech Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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tl431asf: specified limits as data (metadata.characteristics, 17 rows from the datasheet)
2 files changed
+235
README.md+24@@ -21,6 +21,30 @@ TL431ASF from HTC Korea TAEJIN Tech, in a SOT-23. 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 Input Voltage (TL431A, 1%) | VREF | 2.47 | 2.495 | 2.52 | V | VKA = VREF, IK = 10mA | 4 |+| Reference Input Current | IREF | | 1.8 | 4 | uA | IKA=10mA, R1=10kΩ, R2=∞ | 4 |+| Deviation of Reference Input Current over full range | ΔIREF/ΔT | | 0.4 | 1.2 | uA | IK =10mA, R1=10kΩ, R2=∞, TA =Full Range | 4 |+| Deviation of Reference Input Voltage over full range | ΔVREF/ΔT | | 8 | 20 | mV | VKA = VREF, IK =10mA, TA =Full Range | 4 |+| Ratio of Change in Reference Input Voltage to Change in Cathode Voltage (ΔVKA=10V) | ΔVREF/ΔVKA | | -1.4 | -2.7 | mV/V | IK =10mA, ΔVKA=10V | 4 |+| Ratio of Change in Reference Input Voltage to Change in Cathode Voltage (ΔVKA=36V-10V) | ΔVREF/ΔVKA | | -1 | -2 | mV/V | IK =10mA, ΔVKA=36V-10V | 4 |+| Minimum Cathode Current for Regulation | IK(MIN) | | 0.5 | | mA | VKA= VREF | 4 |+| Off-State Cathode Current | IK(OFF) | | 0.17 | 0.9 | uA | VKA=36V, VREF=0 | 4 |+| Dynamic Impedance | ZKA | | 0.27 | 0.5 | Ω | VKA= VREF, IK =1mA~100mA, f ≤ 1kHz | 4 |+| Cathode Voltage (recommended) | VKA | | | 40 | V | | 2 |+| Cathode Current (recommended) | IK | 0.5 | | 100 | mA | | 2 |+| Cathode Voltage (absolute maximum) | VKA | | | 42 | V | | 1 |+| Cathode Current Range (Continuous) | IK | -100 | | 150 | mA | | 1 |+| Reference Input Current Range | IREF | -0.05 | | 10 | mA | | 1 |+| Junction Temperature Range | TJ | -40 | | 150 | ℃ | | 1 |+| Operating Temperature Range | TOPR | -40 | | 125 | ℃ | | 1 |+| Storage Temperature Range | TSTG | -65 | | 150 | ℃ | | 1 |+ ## CAD (KiCad official) - Symbol: `TL431ASF`
page.json+211@@ -133,6 +133,217 @@ "Package": "SOT-23", "Category": "Power Management (PMIC)", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "66b4ce853f1e463b",+ "rows": [+ {+ "name": "Reference Input Voltage (TL431A, 1%)",+ "symbol": "VREF",+ "kind": "tolerance",+ "unit": "V",+ "min": 2.47,+ "typ": 2.495,+ "max": 2.52,+ "conditions": "VKA = VREF, IK = 10mA",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Reference Input Current",+ "symbol": "IREF",+ "kind": "electrical",+ "unit": "uA",+ "min": null,+ "typ": 1.8,+ "max": 4,+ "conditions": "IKA=10mA, R1=10kΩ, R2=∞",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Deviation of Reference Input Current over full range",+ "symbol": "ΔIREF/ΔT",+ "kind": "electrical",+ "unit": "uA",+ "min": null,+ "typ": 0.4,+ "max": 1.2,+ "conditions": "IK =10mA, R1=10kΩ, R2=∞, TA =Full Range",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Deviation of Reference Input Voltage over full range",+ "symbol": "ΔVREF/ΔT",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 8,+ "max": 20,+ "conditions": "VKA = VREF, IK =10mA, TA =Full Range",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Ratio of Change in Reference Input Voltage to Change in Cathode Voltage (ΔVKA=10V)",+ "symbol": "ΔVREF/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1.4,+ "max": -2.7,+ "conditions": "IK =10mA, ΔVKA=10V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Ratio of Change in Reference Input Voltage to Change in Cathode Voltage (ΔVKA=36V-10V)",+ "symbol": "ΔVREF/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1,+ "max": -2,+ "conditions": "IK =10mA, ΔVKA=36V-10V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Minimum Cathode Current for Regulation",+ "symbol": "IK(MIN)",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.5,+ "max": null,+ "conditions": "VKA= VREF",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Off-State Cathode Current",+ "symbol": "IK(OFF)",+ "kind": "electrical",+ "unit": "uA",+ "min": null,+ "typ": 0.17,+ "max": 0.9,+ "conditions": "VKA=36V, VREF=0",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Dynamic Impedance",+ "symbol": "ZKA",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": 0.27,+ "max": 0.5,+ "conditions": "VKA= VREF, IK =1mA~100mA, f ≤ 1kHz",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Cathode Voltage (recommended)",+ "symbol": "VKA",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 40,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode Current (recommended)",+ "symbol": "IK",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": 0.5,+ "typ": null,+ "max": 100,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode Voltage (absolute maximum)",+ "symbol": "VKA",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 42,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Cathode Current Range (Continuous)",+ "symbol": "IK",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": -100,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Reference Input Current Range",+ "symbol": "IREF",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": -0.05,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature Range",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "℃",+ "min": -40,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Operating Temperature Range",+ "symbol": "TOPR",+ "kind": "absolute_maximum",+ "unit": "℃",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Storage Temperature Range",+ "symbol": "TSTG",+ "kind": "absolute_maximum",+ "unit": "℃",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ }+ ] } }, "variants": [],