component
TL431BQDBZRQ1
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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tl431bqdbzrq1: specified limits as data (metadata.characteristics, 23 rows from the datasheet)
2 files changed
+313
README.md+30@@ -29,6 +29,36 @@ Same part, different packaging or reel option. - `TL431BQDBZRQ1DBVR` - `TL431BQDBZRQ1DBVT` +## 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 | 2483 | 2495 | 2507 | mV | VKA = VREF, IKA = 10 mA, see Figure 20 | 5 |+| Deviation of reference voltage over full temperature | VI(DEV) | | 14 | 34 | mV | VKA = VREF, IKA = 10 mA, TA = –40°C to 125°C, see Figure 20 | 5 |+| Ratio of change in reference voltage to change in cathode voltage | ΔVREF/ΔVKA | | -1.4 | -2.7 | mV/V | IKA = 10 mA, see Figure 21; ΔVKA = 10 V – VREF | 5 |+| Ratio of change in reference voltage to change in cathode voltage | ΔVREF/ΔVKA | | -1 | -2 | mV/V | IKA = 10 mA, see Figure 21; ΔVKA = 36 V – 10 V | 5 |+| Reference current | IREF | | 2 | 4 | µA | IKA = 10 mA, R1 = 10 kΩ, R2 = ∞, see Figure 21 | 5 |+| Deviation of reference current over full temperature | II(DEV) | | 0.8 | 2.5 | µA | IKA = 10 mA, R1 = 10 kΩ, R2 = ∞, TA = –40°C to 125°C, see Figure 21 | 5 |+| Minimum cathode current for regulation | IMIN | | 0.4 | 0.7 | mA | VKA = VREF, see Figure 20 | 5 |+| OFF-state cathode current | IOFF | | 0.1 | 0.5 | µA | VKA = 36 V, VREF = 0, see Figure 22 | 5 |+| Dynamic impedance | /ZKA/ | | 0.2 | 0.5 | Ω | IKA = 1 mA to 100 mA, VKA = VREF, f ≤ 1 kHz, see Figure 20 | 5 |+| Cathode voltage (recommended operating) | VKA | | | 36 | V | Minimum printed as VREF (symbol, not a number) | 4 |+| Cathode current | IKA | 1 | | 100 | mA | | 4 |+| Operating free-air temperature | TA | -40 | | 125 | °C | | 4 |+| Cathode voltage | | | | 37 | V | Voltage with respect to ANODE | 4 |+| Continuous cathode current | | -100 | | 150 | mA | | 4 |+| Reference input current, Low | | -50 | | | µA | Low | 4 |+| Reference input current, High | | | | 10 | mA | High | 4 |+| Operating junction temperature | TJ | | | 150 | °C | | 4 |+| Storage temperature | Tstg | -65 | | 150 | °C | | 4 |+| Junction-to-ambient thermal resistance (DBZ, 3-pin) | RθJA | | 334.7 | | °C/W | DBZ (SOT-23) 3 pins | 4 |+| Junction-to-case (top) thermal resistance (DBZ, 3-pin) | RθJC(top) | | 113.5 | | °C/W | DBZ (SOT-23) 3 pins | 4 |+| Junction-to-board thermal resistance (DBZ, 3-pin) | RθJB | | 67.6 | | °C/W | DBZ (SOT-23) 3 pins | 4 |+| Junction-to-top characterization parameter (DBZ, 3-pin) | ψJT | | 6.7 | | °C/W | DBZ (SOT-23) 3 pins | 4 |+| Junction-to-board characterization parameter (DBZ, 3-pin) | ψJB | | 65.9 | | °C/W | DBZ (SOT-23) 3 pins | 4 |+ ## CAD (KiCad official) - Symbol: `TL431BQDBZRQ1`
page.json+283@@ -116,6 +116,289 @@ "Package": "SOT-23-3", "Category": "Power Management (PMIC)", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "6e78e952a7d3e8bc",+ "rows": [+ {+ "name": "Reference voltage",+ "symbol": "VREF",+ "kind": "electrical",+ "unit": "mV",+ "min": 2483,+ "typ": 2495,+ "max": 2507,+ "conditions": "VKA = VREF, IKA = 10 mA, see Figure 20",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Deviation of reference voltage over full temperature",+ "symbol": "VI(DEV)",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 14,+ "max": 34,+ "conditions": "VKA = VREF, IKA = 10 mA, TA = –40°C to 125°C, see Figure 20",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Ratio of change in reference voltage to change in cathode voltage",+ "symbol": "ΔVREF/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1.4,+ "max": -2.7,+ "conditions": "IKA = 10 mA, see Figure 21; ΔVKA = 10 V – VREF",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Ratio of change in reference voltage to change in cathode voltage",+ "symbol": "ΔVREF/ΔVKA",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": -1,+ "max": -2,+ "conditions": "IKA = 10 mA, see Figure 21; ΔVKA = 36 V – 10 V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Reference current",+ "symbol": "IREF",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 2,+ "max": 4,+ "conditions": "IKA = 10 mA, R1 = 10 kΩ, R2 = ∞, see Figure 21",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Deviation of reference current over full temperature",+ "symbol": "II(DEV)",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.8,+ "max": 2.5,+ "conditions": "IKA = 10 mA, R1 = 10 kΩ, R2 = ∞, TA = –40°C to 125°C, see Figure 21",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Minimum cathode current for regulation",+ "symbol": "IMIN",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 0.4,+ "max": 0.7,+ "conditions": "VKA = VREF, see Figure 20",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "OFF-state cathode current",+ "symbol": "IOFF",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.1,+ "max": 0.5,+ "conditions": "VKA = 36 V, VREF = 0, see Figure 22",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Dynamic impedance",+ "symbol": "|ZKA|",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": 0.2,+ "max": 0.5,+ "conditions": "IKA = 1 mA to 100 mA, VKA = VREF, f ≤ 1 kHz, see Figure 20",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Cathode voltage (recommended operating)",+ "symbol": "VKA",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 36,+ "conditions": "Minimum printed as VREF (symbol, not a number)",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Cathode current",+ "symbol": "IKA",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": 1,+ "typ": null,+ "max": 100,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating free-air temperature",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Cathode voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 37,+ "conditions": "Voltage with respect to ANODE",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Continuous cathode current",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": -100,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Reference input current, Low",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "µA",+ "min": -50,+ "typ": null,+ "max": null,+ "conditions": "Low",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Reference input current, High",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 10,+ "conditions": "High",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating junction temperature",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-ambient thermal resistance (DBZ, 3-pin)",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 334.7,+ "max": null,+ "conditions": "DBZ (SOT-23) 3 pins",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case (top) thermal resistance (DBZ, 3-pin)",+ "symbol": "RθJC(top)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 113.5,+ "max": null,+ "conditions": "DBZ (SOT-23) 3 pins",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board thermal resistance (DBZ, 3-pin)",+ "symbol": "RθJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 67.6,+ "max": null,+ "conditions": "DBZ (SOT-23) 3 pins",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-top characterization parameter (DBZ, 3-pin)",+ "symbol": "ψJT",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 6.7,+ "max": null,+ "conditions": "DBZ (SOT-23) 3 pins",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board characterization parameter (DBZ, 3-pin)",+ "symbol": "ψJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 65.9,+ "max": null,+ "conditions": "DBZ (SOT-23) 3 pins",+ "source_page": 4,+ "source": "datasheet"+ }+ ] } }, "variants": [