component
TL431M-A
Public Made by Adomby adom
Foshan Blue Rocket Elec Voltage Reference, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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tl431m-a: specified limits as data (metadata.characteristics, 16 rows from the datasheet)
2 files changed
+223−1
README.md+23@@ -21,6 +21,29 @@ TL431M-A from Foshan Blue Rocket Elec, in a SOT-23. Pinout and pin descriptions | 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 (A grade, 0.5%) | VREF | 2.483 | 2.495 | 2.507 | V | VKA=VREF IK=10mA (A=0.5%) | 2 |+| Deviation of Reference Input Voltage Over Temperature | ΔVREF/ΔT | | 4.5 | 25 | mV | VKA=VREF IK=10mA TA=-40～125℃ | 2 |+| Ratio of Change in Reference Input Voltage to Change in Cathode Voltage (10V to VREF) | ΔVREF/ΔVKA | | -1 | -2.7 | mV/V | IK=10mA, ΔVKA=10V to VREF | 2 |+| Ratio of Change in Reference Input Voltage to Change in Cathode Voltage (36V to 10V) | ΔVREF/ΔVKA | | -0.5 | -2 | mV/V | IK=10mA, ΔVKA=36V to 10V | 2 |+| Reference Input Current | IREF | | 0.8 | 1 | μA | IK=10mA R1=10KΩ R2=open | 2 |+| Deviation of Reference Input Current Over Full Temperature Range | ΔIREF/ΔT | | 0.4 | 1.2 | μA | IK=10mA R1=10KΩ R2=open TA=-40～125℃ | 2 |+| Minimum Cathode Current for Regulation | IK(min) | | 0.05 | 0.08 | mA | VKA=VREF | 2 |+| Off-state Cathode Current | IK(off) | | 0.05 | 1 | μA | VKA=36V VREF=0V | 2 |+| Dynamic Impedance | /ZKA/ | | 0.15 | 0.5 | Ω | VKA=VREF f≤1.0KHz IK=1mA to 100mA | 2 |+| Cathode to Anode Voltage | VKA | | | 37 | V | | 2 |+| Cathode Current Range, Continuous | IK | -100 | | 100 | mA | | 2 |+| Reference Input Current Range, Continuous | IREF | 0.05 | | 10 | mA | | 2 |+| Power Dissipation | PD | | | 370 | mW | Ta=25℃ (absolute maximum ratings header) | 2 |+| Operating Ambient Temperature | Tamb | -40 | | 125 | ℃ | | 2 |+| Junction Temperature | Tj | | | 150 | ℃ | | 2 |+| Storage Temperature Range | Tstg | -65 | | 150 | ℃ | | 2 |+ ## CAD (KiCad official) - Symbol: `TL431M-A`
page.json+200−1@@ -147,6 +147,205 @@ "Package": "SOT-23", "Category": "Power Management (PMIC)", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "588d6cfc6c617cfc",+ "rows": [+ {+ "name": "Reference Input Voltage (A grade, 0.5%)",+ "symbol": "VREF",+ "kind": "electrical",+ "unit": "V",+ "min": 2.483,+ "typ": 2.495,+ "max": 2.507,+ "conditions": "VKA=VREF IK=10mA (A=0.5%)",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Deviation of Reference Input Voltage Over Temperature",+ "symbol": "ΔVREF/ΔT",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 4.5,+ "max": 25,+ "conditions": "VKA=VREF IK=10mA TA=-40～125℃",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Ratio of Change in Reference Input Voltage to Change in Cathode Voltage (10V to VREF)",+ "symbol": "ΔVREF/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1,+ "max": -2.7,+ "conditions": "IK=10mA, ΔVKA=10V to VREF",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Ratio of Change in Reference Input Voltage to Change in Cathode Voltage (36V to 10V)",+ "symbol": "ΔVREF/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -0.5,+ "max": -2,+ "conditions": "IK=10mA, ΔVKA=36V to 10V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reference Input Current",+ "symbol": "IREF",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 0.8,+ "max": 1,+ "conditions": "IK=10mA R1=10KΩ R2=open",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Deviation of Reference Input Current Over Full Temperature Range",+ "symbol": "ΔIREF/ΔT",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 0.4,+ "max": 1.2,+ "conditions": "IK=10mA R1=10KΩ R2=open TA=-40～125℃",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Minimum Cathode Current for Regulation",+ "symbol": "IK(min)",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.05,+ "max": 0.08,+ "conditions": "VKA=VREF",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Off-state Cathode Current",+ "symbol": "IK(off)",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 0.05,+ "max": 1,+ "conditions": "VKA=36V VREF=0V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Dynamic Impedance",+ "symbol": "|ZKA|",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": 0.15,+ "max": 0.5,+ "conditions": "VKA=VREF f≤1.0KHz IK=1mA to 100mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode to Anode Voltage",+ "symbol": "VKA",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 37,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode Current Range, Continuous",+ "symbol": "IK",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": -100,+ "typ": null,+ "max": 100,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reference Input Current Range, Continuous",+ "symbol": "IREF",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": 0.05,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Power Dissipation",+ "symbol": "PD",+ "kind": "absolute_maximum",+ "unit": "mW",+ "min": null,+ "typ": null,+ "max": 370,+ "conditions": "Ta=25℃ (absolute maximum ratings header)",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Operating Ambient Temperature",+ "symbol": "Tamb",+ "kind": "absolute_maximum",+ "unit": "℃",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature",+ "symbol": "Tj",+ "kind": "absolute_maximum",+ "unit": "℃",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Storage Temperature Range",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "℃",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -188,4 +387,4 @@ "visibility": { "public": true }-}+}