component
CJ431K
Public Made by Adomby adom
Changjing Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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cj431k: specified limits as data (metadata.characteristics, 18 rows from the datasheet)
2 files changed
+248
README.md+25@@ -27,6 +27,31 @@ Same part, different packaging or reel option. - `CJ431KK` +## 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 | Vref | 2.47 | | 2.52 | V | VKA=VREF, IKA=10mA | 2 |+| Deviation of Reference Input Voltage Over Temperature | △Vref/T | | 4.5 | 17 | mV | VKA=VREF, IKA=10mA, Tmin≤Ta≤Tmax (TMIN=-25℃, TMAX=+125℃) | 2 |+| Ratio of Change in Reference Input Voltage to Change in Cathode Voltage | △Vref/△VKA | | -1 | -2.7 | mV/V | △VKA=10V~VREF | 2 |+| Ratio of Change in Reference Input Voltage to Change in Cathode Voltage | △Vref/△VKA | | -0.5 | -2 | mV/V | IKA=10mA, △VKA=36V~10V | 2 |+| Reference Input Current | lref | | 1.5 | 4 | μA | IKA=10mA, R1=10kΩ, R2=∞ | 2 |+| Deviation of Reference Input Current Over Full Temperature Range | △lref/T | | 0.4 | 1.2 | μA | IKA=10mA, R1=10kΩ, R2=∞ | 2 |+| Minimum Cathode Current for Regulation | IKA(min) | | 0.45 | 1 | mA | VKA=VREF | 2 |+| Off-state Cathode Current | IKA(OFF) | | 0.05 | 0.5 | μA | VKA=40V, VREF=0 | 2 |+| Dynamic Impedance | ZKA | | 0.15 | 0.5 | Ω | VKA=VREF, IKA=1 to 100mA, f≤1.0kHz | 2 |+| Cathode Voltage | VKA | | | 37 | V | | 1 |+| Cathode Current Range (Continuous) | IKA | -100 | | 150 | mA | | 1 |+| Reference Input Current Range | Iref | 0.05 | | 10 | mA | | 1 |+| Power Dissipation | PD | | | 300 | mW | | 1 |+| Operating Ambient Temperature Range | Topr | -25 | | 125 | ℃ | | 1 |+| Storage Temperature Range | Tstg | -65 | | 150 | ℃ | | 1 |+| Operating Junction Temperature | Tj | | | 150 | ℃ | | 1 |+| Thermal Resistance from Junction to Ambient | RθJA | | 417 | | ℃/W | | 1 |+| Equivalent Temperature Factor (whole temperature range) | | | 50 | | ppm/℃ | Typical value over the whole temperature scope (features list) | 1 |+ ## CAD (KiCad official) - Symbol: `CJ431K`
page.json+223@@ -127,6 +127,229 @@ "Package": "SOT-23", "Category": "PMIC", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "f02682f21931ad72",+ "rows": [+ {+ "name": "Reference Input Voltage",+ "symbol": "Vref",+ "kind": "electrical",+ "unit": "V",+ "min": 2.47,+ "typ": null,+ "max": 2.52,+ "conditions": "VKA=VREF, IKA=10mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Deviation of Reference Input Voltage Over Temperature",+ "symbol": "△Vref/T",+ "kind": "temperature_coefficient",+ "unit": "mV",+ "min": null,+ "typ": 4.5,+ "max": 17,+ "conditions": "VKA=VREF, IKA=10mA, Tmin≤Ta≤Tmax (TMIN=-25℃, TMAX=+125℃)",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Ratio of Change in Reference Input Voltage to Change in Cathode Voltage",+ "symbol": "△Vref/△VKA",+ "kind": "voltage_coefficient",+ "unit": "mV/V",+ "min": null,+ "typ": -1,+ "max": -2.7,+ "conditions": "△VKA=10V~VREF",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Ratio of Change in Reference Input Voltage to Change in Cathode Voltage",+ "symbol": "△Vref/△VKA",+ "kind": "voltage_coefficient",+ "unit": "mV/V",+ "min": null,+ "typ": -0.5,+ "max": -2,+ "conditions": "IKA=10mA, △VKA=36V~10V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reference Input Current",+ "symbol": "lref",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 1.5,+ "max": 4,+ "conditions": "IKA=10mA, R1=10kΩ, R2=∞",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Deviation of Reference Input Current Over Full Temperature Range",+ "symbol": "△lref/T",+ "kind": "temperature_coefficient",+ "unit": "μA",+ "min": null,+ "typ": 0.4,+ "max": 1.2,+ "conditions": "IKA=10mA, R1=10kΩ, R2=∞",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Minimum Cathode Current for Regulation",+ "symbol": "IKA(min)",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.45,+ "max": 1,+ "conditions": "VKA=VREF",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Off-state Cathode Current",+ "symbol": "IKA(OFF)",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 0.05,+ "max": 0.5,+ "conditions": "VKA=40V, VREF=0",+ "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, IKA=1 to 100mA, f≤1.0kHz",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Cathode Voltage",+ "symbol": "VKA",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 37,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Cathode Current Range (Continuous)",+ "symbol": "IKA",+ "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": "Power Dissipation",+ "symbol": "PD",+ "kind": "absolute_maximum",+ "unit": "mW",+ "min": null,+ "typ": null,+ "max": 300,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Operating Ambient Temperature Range",+ "symbol": "Topr",+ "kind": "absolute_maximum",+ "unit": "℃",+ "min": -25,+ "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"+ },+ {+ "name": "Operating Junction Temperature",+ "symbol": "Tj",+ "kind": "absolute_maximum",+ "unit": "℃",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Thermal Resistance from Junction to Ambient",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "℃/W",+ "min": null,+ "typ": 417,+ "max": null,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Equivalent Temperature Factor (whole temperature range)",+ "symbol": "",+ "kind": "temperature_coefficient",+ "unit": "ppm/℃",+ "min": null,+ "typ": 50,+ "max": null,+ "conditions": "Typical value over the whole temperature scope (features list)",+ "source_page": 1,+ "source": "datasheet"+ }+ ] } }, "sections": [