component
TL4051CQDBZR
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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tl4051cqdbzr: specified limits as data (metadata.characteristics, 30 rows from the datasheet)
2 files changed
+405−1
README.md+37@@ -21,6 +21,43 @@ TL4051CQDBZR from Texas Instruments, in a SOT-23-3. 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 |+|---|---|---|---|---|---|---|---|+| Reverse breakdown voltage tolerance (C grade, Q, 25°C) | VREF tolerance | -6 | | 6 | mV | IZ = 100μA, VZ = 5V, TA = 25°C | 8 |+| Reference voltage tolerance (C grade, Q, full range) | VREF tolerance | -12.2 | | 12.2 | mV | IZ = 100μA, VZ = 5V, full range (TA = -40°C to 125°C) | 8 |+| Minimum cathode current (25°C) | IZ,min | | 36 | 65 | μA | TA = 25°C | 8 |+| Minimum cathode current (full range) | IZ,min | | | 75 | μA | full range (TA = -40°C to 125°C) | 8 |+| Reference voltage change with cathode current (IZ,min < IZ < 1mA, 25°C) | DVREF/DIZ | | 0.3 | 1.1 | mV | IZ,min < IZ < 1mA, TA = 25°C | 8 |+| Reference voltage change with cathode current (IZ,min < IZ < 1mA, full range) | DVREF/DIZ | | | 1.5 | mV | IZ,min < IZ < 1mA, full range | 8 |+| Reference voltage change with cathode current (1mA < IZ < 12mA, 25°C) | DVREF/DIZ | | 0.6 | 6 | mV | 1mA < IZ < 12mA, TA = 25°C | 8 |+| Reference voltage change with cathode current (1mA < IZ < 12mA, full range) | DVREF/DIZ | | | 8 | mV | 1mA < IZ < 12mA, full range | 8 |+| Reference voltage change with output voltage (line regulation, 25°C) | DVREF/DVKA | -2.8 | -1.69 | | mV/V | IZ = 1mA, TA = 25°C | 8 |+| Reference voltage change with output voltage (line regulation, full range) | DVREF/DVKA | -3.5 | | | mV/V | IZ = 1mA, full range | 8 |+| Feedback current (25°C) | IFB | | 70 | 130 | nA | TA = 25°C | 8 |+| Feedback current (full range) | IFB | | | 150 | nA | full range (TA = -40°C to 125°C) | 8 |+| Reference voltage temperature coefficient (IZ = 10mA) | αVREF | -20 | | 20 | ppm/°C | IZ = 10mA, VZ = 2.5V, TA = 25°C | 8 |+| Reference voltage temperature coefficient (IZ = 1mA) | αVREF | -15 | | 15 | ppm/°C | IZ = 1mA, VZ = 2.5V, TA = 25°C | 8 |+| Reference voltage temperature coefficient (IZ = 100μA, 25°C) | αVREF | -15 | | 15 | ppm/°C | IZ = 100μA, VZ = 2.5V, TA = 25°C | 8 |+| Reference voltage temperature coefficient (IZ = 100μA, full range) | αVREF | -50 | | 50 | ppm/°C | IZ = 100μA, VZ = 2.5V, full range | 8 |+| Continuous cathode voltage | VZ | | | 15 | V | | 4 |+| Continuous cathode current | IZ | -10 | | 20 | mA | | 4 |+| Operating virtual junction temperature | TJ | | | 150 | °C | | 4 |+| Storage temperature range | Tstg | -65 | | 150 | °C | | 4 |+| Cathode current (recommended) | IZ | | | 12 | mA | see electrical characteristics | 4 |+| Reverse breakdown voltage (adjustable version, recommended) | VZ | | | 10 | V | adjustable version | 4 |+| Operating ambient temperature (Q grade) | TA | -40 | | 125 | °C | Q temperature grade (TL4051xQ), natural ventilation | 4 |+| Reference voltage (adjustable version) | VREF | | 1.212 | | V | IZ = 100μA, VZ = 5V, TA = 25°C | 8 |+| Reverse dynamic impedance (VZ = VREF) | ZZ | | 0.3 | | Ω | IZ = 1mA, f = 120Hz, IAC = 0.1 IZ, VZ = VREF, TA = 25°C | 8 |+| Reverse dynamic impedance (VZ = 10V) | ZZ | | 2 | | Ω | IZ = 1mA, f = 120Hz, IAC = 0.1 IZ, VZ = 10V, TA = 25°C | 8 |+| Wideband noise | eN | | 20 | | μVRMS | IZ = 100μA, VZ = VREF, 10Hz ≤ f ≤ 10kHz, TA = 25°C | 8 |+| Long-term stability | | | 120 | | ppm | t = 1000h, TA = 25°C ± 0.1°C, IZ = 100μA | 8 |+| Thermal hysteresis | VHYST | | 0.3 | | mV/V | ΔTA = -40°C to 125°C | 8 |+| Package thermal resistance, junction to ambient (DBZ) | θJA | | 206 | | °C/W | DBZ package, JESD 51-7 | 4 |+ ## CAD (KiCad official) - Symbol: `TL4051CQDBZR`
page.json+368−1@@ -151,6 +151,373 @@ "Package": "SOT-23-3", "Category": "Power Management (PMIC)", "Pins": "3"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "739b8ac05dcb64a5",+ "rows": [+ {+ "name": "Reverse breakdown voltage tolerance (C grade, Q, 25°C)",+ "symbol": "VREF tolerance",+ "kind": "tolerance",+ "unit": "mV",+ "min": -6,+ "typ": null,+ "max": 6,+ "conditions": "IZ = 100μA, VZ = 5V, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage tolerance (C grade, Q, full range)",+ "symbol": "VREF tolerance",+ "kind": "tolerance",+ "unit": "mV",+ "min": -12.2,+ "typ": null,+ "max": 12.2,+ "conditions": "IZ = 100μA, VZ = 5V, full range (TA = -40°C to 125°C)",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Minimum cathode current (25°C)",+ "symbol": "IZ,min",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 36,+ "max": 65,+ "conditions": "TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Minimum cathode current (full range)",+ "symbol": "IZ,min",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": null,+ "max": 75,+ "conditions": "full range (TA = -40°C to 125°C)",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage change with cathode current (IZ,min < IZ < 1mA, 25°C)",+ "symbol": "DVREF/DIZ",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 0.3,+ "max": 1.1,+ "conditions": "IZ,min < IZ < 1mA, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage change with cathode current (IZ,min < IZ < 1mA, full range)",+ "symbol": "DVREF/DIZ",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": null,+ "max": 1.5,+ "conditions": "IZ,min < IZ < 1mA, full range",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage change with cathode current (1mA < IZ < 12mA, 25°C)",+ "symbol": "DVREF/DIZ",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 0.6,+ "max": 6,+ "conditions": "1mA < IZ < 12mA, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage change with cathode current (1mA < IZ < 12mA, full range)",+ "symbol": "DVREF/DIZ",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": null,+ "max": 8,+ "conditions": "1mA < IZ < 12mA, full range",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage change with output voltage (line regulation, 25°C)",+ "symbol": "DVREF/DVKA",+ "kind": "voltage_coefficient",+ "unit": "mV/V",+ "min": -2.8,+ "typ": -1.69,+ "max": null,+ "conditions": "IZ = 1mA, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage change with output voltage (line regulation, full range)",+ "symbol": "DVREF/DVKA",+ "kind": "voltage_coefficient",+ "unit": "mV/V",+ "min": -3.5,+ "typ": null,+ "max": null,+ "conditions": "IZ = 1mA, full range",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Feedback current (25°C)",+ "symbol": "IFB",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": 70,+ "max": 130,+ "conditions": "TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Feedback current (full range)",+ "symbol": "IFB",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "full range (TA = -40°C to 125°C)",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage temperature coefficient (IZ = 10mA)",+ "symbol": "αVREF",+ "kind": "temperature_coefficient",+ "unit": "ppm/°C",+ "min": -20,+ "typ": null,+ "max": 20,+ "conditions": "IZ = 10mA, VZ = 2.5V, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage temperature coefficient (IZ = 1mA)",+ "symbol": "αVREF",+ "kind": "temperature_coefficient",+ "unit": "ppm/°C",+ "min": -15,+ "typ": null,+ "max": 15,+ "conditions": "IZ = 1mA, VZ = 2.5V, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage temperature coefficient (IZ = 100μA, 25°C)",+ "symbol": "αVREF",+ "kind": "temperature_coefficient",+ "unit": "ppm/°C",+ "min": -15,+ "typ": null,+ "max": 15,+ "conditions": "IZ = 100μA, VZ = 2.5V, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage temperature coefficient (IZ = 100μA, full range)",+ "symbol": "αVREF",+ "kind": "temperature_coefficient",+ "unit": "ppm/°C",+ "min": -50,+ "typ": null,+ "max": 50,+ "conditions": "IZ = 100μA, VZ = 2.5V, full range",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Continuous cathode voltage",+ "symbol": "VZ",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 15,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Continuous cathode current",+ "symbol": "IZ",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": -10,+ "typ": null,+ "max": 20,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating virtual junction temperature",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature range",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Cathode current (recommended)",+ "symbol": "IZ",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 12,+ "conditions": "see electrical characteristics",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Reverse breakdown voltage (adjustable version, recommended)",+ "symbol": "VZ",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 10,+ "conditions": "adjustable version",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Operating ambient temperature (Q grade)",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "Q temperature grade (TL4051xQ), natural ventilation",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Reference voltage (adjustable version)",+ "symbol": "VREF",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 1.212,+ "max": null,+ "conditions": "IZ = 100μA, VZ = 5V, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reverse dynamic impedance (VZ = VREF)",+ "symbol": "ZZ",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": 0.3,+ "max": null,+ "conditions": "IZ = 1mA, f = 120Hz, IAC = 0.1 IZ, VZ = VREF, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Reverse dynamic impedance (VZ = 10V)",+ "symbol": "ZZ",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": 2,+ "max": null,+ "conditions": "IZ = 1mA, f = 120Hz, IAC = 0.1 IZ, VZ = 10V, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Wideband noise",+ "symbol": "eN",+ "kind": "electrical",+ "unit": "μVRMS",+ "min": null,+ "typ": 20,+ "max": null,+ "conditions": "IZ = 100μA, VZ = VREF, 10Hz ≤ f ≤ 10kHz, TA = 25°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Long-term stability",+ "symbol": "",+ "kind": "electrical",+ "unit": "ppm",+ "min": null,+ "typ": 120,+ "max": null,+ "conditions": "t = 1000h, TA = 25°C ± 0.1°C, IZ = 100μA",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Thermal hysteresis",+ "symbol": "VHYST",+ "kind": "electrical",+ "unit": "mV/V",+ "min": null,+ "typ": 0.3,+ "max": null,+ "conditions": "ΔTA = -40°C to 125°C",+ "source_page": 8,+ "source": "datasheet"+ },+ {+ "name": "Package thermal resistance, junction to ambient (DBZ)",+ "symbol": "θJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 206,+ "max": null,+ "conditions": "DBZ package, JESD 51-7",+ "source_page": 4,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -192,4 +559,4 @@ "visibility": { "public": true }-}+}