component
REF3450QDGKRQ1
Public Made by Adomby adom
Texas Instruments Voltage Reference, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ref3450qdgkrq1: specified limits as data (metadata.characteristics, 30 rows from the datasheet)
2 files changed
+405−1
README.md+37@@ -26,6 +26,43 @@ REF3450QDGKRQ1 from Texas Instruments, in a VSSOP-8. Pinout and pin descriptions | Category | Power Management (PMIC) | | Pins | 8 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Input voltage | IN | -0.3 | | 13 | V | | 5 |+| Enable voltage | EN | -0.3 | | | V | | 5 |+| Output voltage | VOUT | -0.3 | | 5.5 | V | | 5 |+| Output short-circuit current | | | | 20 | mA | | 5 |+| Operating temperature range | TA | -55 | | 150 | °C | | 5 |+| Storage temperature range | Tstg | -65 | | 170 | °C | | 5 |+| Input voltage (minimum is VOUT + VDO) | IN | | | 12 | V | | 5 |+| Enable voltage (maximum is IN) | EN | 0 | | | V | | 5 |+| Output current | IL | -10 | | 10 | mA | | 5 |+| Operating temperature | TA | -40 | 25 | 125 | °C | | 5 |+| Output voltage accuracy | | -0.05 | | 0.05 | % | TA = 25°C | 6 |+| Output voltage temperature coefficient | | | 2.5 | 6 | ppm/℃ | | 6 |+| Line regulation | ΔVO/ΔVIN | | 2 | 15 | ppm/V | VIN = VOUT + VDO to 12V | 6 |+| Load regulation, sourcing | ΔVO/ΔIL | | 20 | 30 | ppm/mA | IL = 0mA to 10mA, VIN = VOUT + VDO | 6 |+| Load regulation, sinking (REF3450-Q1) | ΔVO/ΔIL | | 70 | 140 | ppm/mA | IL = 0mA to -10mA, VIN = VOUT + VDO | 6 |+| Stable output capacitor range | CL | 0.1 | | 10 | µF | | 6 |+| Supply input voltage (minimum is VOUT + VDO) | VIN | | | 12 | V | | 7 |+| Output current capability | IL | -10 | | 10 | mA | VIN = VOUT + VDO to 12V | 7 |+| Quiescent current, operating mode | IQ | | 72 | 95 | µA | Operating mode | 7 |+| Quiescent current, shutdown mode | IQ | | 2.5 | 3 | µA | Shutdown mode | 7 |+| Dropout voltage | VDO | | 50 | 100 | mV | IL = 0mA | 7 |+| Enable pin voltage, reference on | VEN | 1.6 | | | V | Reference in operating mode (EN = 1) | 7 |+| Enable pin voltage, reference off | VEN | | | 0.5 | V | Reference in shutdown mode (EN = 0) | 7 |+| Enable pin leakage current | IEN | | 1 | 2 | µA | VEN = VIN = 12V | 7 |+| Short-circuit current | ISC | | 18 | 22 | mA | TA = 25°C, VOUT = 0V | 7 |+| Junction-to-ambient thermal resistance (DGK 8-pin) | RθJA | | 174.1 | | °C/W | | 5 |+| Junction-to-case (top) thermal resistance (DGK 8-pin) | RθJC(top) | | 61.3 | | °C/W | | 5 |+| Junction-to-board thermal resistance (DGK 8-pin) | RθJB | | 95.5 | | °C/W | | 5 |+| Junction-to-top characterization parameter (DGK 8-pin) | ΨJT | | 8.5 | | °C/W | | 5 |+| Junction-to-board characterization parameter (DGK 8-pin) | ΨJB | | 93.9 | | °C/W | | 5 |+ ## CAD (KiCad official) - Symbol: `REF3450QDGKRQ1`
page.json+368−1@@ -180,6 +180,373 @@ "Package": "VSSOP-8", "Category": "Power Management (PMIC)", "Pins": "8"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "addb0b3508cd0c2e",+ "rows": [+ {+ "name": "Input voltage",+ "symbol": "IN",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 13,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Enable voltage",+ "symbol": "EN",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output voltage",+ "symbol": "VOUT",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output short-circuit current",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 20,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Operating temperature range",+ "symbol": "TA",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature range",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 170,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Input voltage (minimum is VOUT + VDO)",+ "symbol": "IN",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 12,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Enable voltage (maximum is IN)",+ "symbol": "EN",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 0,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output current",+ "symbol": "IL",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": -10,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Operating temperature",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": 25,+ "max": 125,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output voltage accuracy",+ "symbol": "",+ "kind": "tolerance",+ "unit": "%",+ "min": -0.05,+ "typ": null,+ "max": 0.05,+ "conditions": "TA = 25°C",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Output voltage temperature coefficient",+ "symbol": "",+ "kind": "temperature_coefficient",+ "unit": "ppm/℃",+ "min": null,+ "typ": 2.5,+ "max": 6,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Line regulation",+ "symbol": "ΔVO/ΔVIN",+ "kind": "electrical",+ "unit": "ppm/V",+ "min": null,+ "typ": 2,+ "max": 15,+ "conditions": "VIN = VOUT + VDO to 12V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Load regulation, sourcing",+ "symbol": "ΔVO/ΔIL",+ "kind": "electrical",+ "unit": "ppm/mA",+ "min": null,+ "typ": 20,+ "max": 30,+ "conditions": "IL = 0mA to 10mA, VIN = VOUT + VDO",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Load regulation, sinking (REF3450-Q1)",+ "symbol": "ΔVO/ΔIL",+ "kind": "electrical",+ "unit": "ppm/mA",+ "min": null,+ "typ": 70,+ "max": 140,+ "conditions": "IL = 0mA to -10mA, VIN = VOUT + VDO",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Stable output capacitor range",+ "symbol": "CL",+ "kind": "electrical",+ "unit": "µF",+ "min": 0.1,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Supply input voltage (minimum is VOUT + VDO)",+ "symbol": "VIN",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 12,+ "conditions": "",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Output current capability",+ "symbol": "IL",+ "kind": "electrical",+ "unit": "mA",+ "min": -10,+ "typ": null,+ "max": 10,+ "conditions": "VIN = VOUT + VDO to 12V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current, operating mode",+ "symbol": "IQ",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 72,+ "max": 95,+ "conditions": "Operating mode",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Quiescent current, shutdown mode",+ "symbol": "IQ",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 2.5,+ "max": 3,+ "conditions": "Shutdown mode",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Dropout voltage",+ "symbol": "VDO",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 50,+ "max": 100,+ "conditions": "IL = 0mA",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Enable pin voltage, reference on",+ "symbol": "VEN",+ "kind": "electrical",+ "unit": "V",+ "min": 1.6,+ "typ": null,+ "max": null,+ "conditions": "Reference in operating mode (EN = 1)",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Enable pin voltage, reference off",+ "symbol": "VEN",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 0.5,+ "conditions": "Reference in shutdown mode (EN = 0)",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Enable pin leakage current",+ "symbol": "IEN",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 1,+ "max": 2,+ "conditions": "VEN = VIN = 12V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Short-circuit current",+ "symbol": "ISC",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 18,+ "max": 22,+ "conditions": "TA = 25°C, VOUT = 0V",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-ambient thermal resistance (DGK 8-pin)",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 174.1,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-case (top) thermal resistance (DGK 8-pin)",+ "symbol": "RθJC(top)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 61.3,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board thermal resistance (DGK 8-pin)",+ "symbol": "RθJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 95.5,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-top characterization parameter (DGK 8-pin)",+ "symbol": "ΨJT",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 8.5,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board characterization parameter (DGK 8-pin)",+ "symbol": "ΨJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 93.9,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -221,4 +588,4 @@ "visibility": { "public": true }-}+}