component
REF3440SQDBVRQ1
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
ref3440sqdbvrq1: specified limits as data (metadata.characteristics, 34 rows from the datasheet)
2 files changed
+457−1
README.md+41@@ -23,6 +23,47 @@ REF3440SQDBVRQ1 from Texas Instruments, in a SOT-23-5. Pinout and pin descriptio | Category | Power Management (PMIC) | | Pins | 5 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Output voltage accuracy | | -0.05 | | 0.05 | % | TA = 25°C | 6 |+| Line regulation | ΔVO/ΔVIN | | 2 | 15 | ppm/V | VIN = VOUT + VDO (footnote 2, VDO = 50mV) to 12V | 6 |+| Load regulation, sourcing | ΔVO/ΔIL | | 20 | 30 | ppm/mA | IL = 0mA to 10mA, VIN = VOUT + VDO (footnote 3, VDO = 500mV) | 6 |+| Load regulation, sinking | ΔVO/ΔIL | | 60 | 98 | ppm/mA | IL = 0mA to -10mA, VIN = VOUT + VDO (footnote 3, VDO = 500mV) | 6 |+| Capacitive load stable range | CL | 0.1 | | 10 | µF | | 6 |+| Input voltage | VIN | | | 12 | V | Minimum is VOUT + VDO (expression, not a numeric limit) | 7 |+| Output current capability | IL | -10 | | 10 | mA | VIN = VOUT + VDO to 12V | 7 |+| Dropout voltage (row 1, value 50 mV) | VDO | | 50 | | mV | IL = 0mA | 7 |+| Dropout voltage (max at IL = 0mA) | VDO | | | 100 | mV | IL = 0mA | 7 |+| Dropout voltage (max at IL = 10mA) | VDO | | | 500 | mV | IL = 10mA | 7 |+| Quiescent current, operating mode | IQ | | 72 | 95 | µA | Operating mode | 7 |+| Short-circuit current | ISC | | 18 | 22 | mA | TA = 25°C, VOUT = 0V | 7 |+| Recommended input voltage | IN | | | 12 | V | Minimum is VOUT + VDO (expression, not a numeric limit) | 5 |+| Recommended output current | IL | -10 | | 10 | mA | | 5 |+| Recommended operating ambient temperature | TA | -40 | 25 | 125 | °C | | 5 |+| Absolute maximum input voltage | IN | -0.3 | | 13 | V | | 5 |+| Absolute maximum output voltage | VOUT | -0.3 | | 5.5 | V | | 5 |+| Output short-circuit current | | | | 20 | mA | | 5 |+| Absolute maximum operating temperature range | TA | -55 | | 150 | °C | Free-air, natural convection | 5 |+| Storage temperature range | Tstg | -65 | | 170 | °C | | 5 |+| Output voltage | VOUT | | 4.096 | | V | REF3440Q1 variant | 7 |+| Output voltage temperature coefficient | | | 2.5 | 6 | ppm/°C | Box method (see temperature drift section) | 6 |+| Integrated wideband noise | en | | 24 | | µVrms | 10Hz ≤ f ≤ 10kHz | 6 |+| Low-frequency noise, peak-to-peak | enp-p | | 3.8 | | µVp-p/V | 0.1Hz ≤ f ≤ 10Hz (REF3440-Q1) | 6 |+| Output voltage noise density | en | | 0.2 | | ppm/√Hz | f = 1kHz (REF3440-Q1) | 6 |+| Long-term stability, 0h to 1000h (DBV package) | | | 25 | | ppm | 35°C, 0h to 1000h | 6 |+| Long-term stability, 1000h to 2000h (DBV package) | | | 10 | | ppm | 35°C, 1000h to 2000h | 6 |+| Output voltage thermal hysteresis, cycle 1 (DBV package) | | | 30 | | ppm | 25°C, -40°C, 125°C, 25°C cycle 1 | 6 |+| Output voltage thermal hysteresis, cycle 2 (DBV package) | | | 10 | | ppm | 25°C, -40°C, 125°C, 25°C cycle 2 | 6 |+| Thermal resistance, junction-to-ambient (DBV 5-pin) | RθJA | | 122.6 | | °C/W | | 5 |+| Thermal resistance, junction-to-case (top) (DBV 5-pin) | RθJC(top) | | 80.2 | | °C/W | | 5 |+| Thermal resistance, junction-to-board (DBV 5-pin) | RθJB | | 42 | | °C/W | | 5 |+| Junction-to-top characterization parameter (DBV 5-pin) | ΨJT | | 23.2 | | °C/W | | 5 |+| Junction-to-board characterization parameter (DBV 5-pin) | ΨJB | | 41.9 | | °C/W | | 5 |+ ## CAD (KiCad official) - Symbol: `REF3440SQDBVRQ1`
page.json+416−1@@ -162,6 +162,421 @@ "Package": "SOT-23-5", "Category": "Power Management (PMIC)", "Pins": "5"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "addb0b3508cd0c2e",+ "rows": [+ {+ "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": "Line regulation",+ "symbol": "ΔVO/ΔVIN",+ "kind": "electrical",+ "unit": "ppm/V",+ "min": null,+ "typ": 2,+ "max": 15,+ "conditions": "VIN = VOUT + VDO (footnote 2, VDO = 50mV) 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 (footnote 3, VDO = 500mV)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Load regulation, sinking",+ "symbol": "ΔVO/ΔIL",+ "kind": "electrical",+ "unit": "ppm/mA",+ "min": null,+ "typ": 60,+ "max": 98,+ "conditions": "IL = 0mA to -10mA, VIN = VOUT + VDO (footnote 3, VDO = 500mV)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Capacitive load stable range",+ "symbol": "CL",+ "kind": "electrical",+ "unit": "µF",+ "min": 0.1,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Input voltage",+ "symbol": "VIN",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 12,+ "conditions": "Minimum is VOUT + VDO (expression, not a numeric limit)",+ "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": "Dropout voltage (row 1, value 50 mV)",+ "symbol": "VDO",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 50,+ "max": null,+ "conditions": "IL = 0mA",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Dropout voltage (max at IL = 0mA)",+ "symbol": "VDO",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": null,+ "max": 100,+ "conditions": "IL = 0mA",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Dropout voltage (max at IL = 10mA)",+ "symbol": "VDO",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": null,+ "max": 500,+ "conditions": "IL = 10mA",+ "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": "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": "Recommended input voltage",+ "symbol": "IN",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 12,+ "conditions": "Minimum is VOUT + VDO (expression, not a numeric limit)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Recommended output current",+ "symbol": "IL",+ "kind": "recommended_operating",+ "unit": "mA",+ "min": -10,+ "typ": null,+ "max": 10,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Recommended operating ambient temperature",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": 25,+ "max": 125,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Absolute maximum input voltage",+ "symbol": "IN",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 13,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Absolute maximum 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": "Absolute maximum operating temperature range",+ "symbol": "TA",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "Free-air, natural convection",+ "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": "Output voltage",+ "symbol": "VOUT",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 4.096,+ "max": null,+ "conditions": "REF3440Q1 variant",+ "source_page": 7,+ "source": "datasheet"+ },+ {+ "name": "Output voltage temperature coefficient",+ "symbol": "",+ "kind": "temperature_coefficient",+ "unit": "ppm/°C",+ "min": null,+ "typ": 2.5,+ "max": 6,+ "conditions": "Box method (see temperature drift section)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Integrated wideband noise",+ "symbol": "en",+ "kind": "electrical",+ "unit": "µVrms",+ "min": null,+ "typ": 24,+ "max": null,+ "conditions": "10Hz ≤ f ≤ 10kHz",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Low-frequency noise, peak-to-peak",+ "symbol": "enp-p",+ "kind": "electrical",+ "unit": "µVp-p/V",+ "min": null,+ "typ": 3.8,+ "max": null,+ "conditions": "0.1Hz ≤ f ≤ 10Hz (REF3440-Q1)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Output voltage noise density",+ "symbol": "en",+ "kind": "electrical",+ "unit": "ppm/√Hz",+ "min": null,+ "typ": 0.2,+ "max": null,+ "conditions": "f = 1kHz (REF3440-Q1)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Long-term stability, 0h to 1000h (DBV package)",+ "symbol": "",+ "kind": "electrical",+ "unit": "ppm",+ "min": null,+ "typ": 25,+ "max": null,+ "conditions": "35°C, 0h to 1000h",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Long-term stability, 1000h to 2000h (DBV package)",+ "symbol": "",+ "kind": "electrical",+ "unit": "ppm",+ "min": null,+ "typ": 10,+ "max": null,+ "conditions": "35°C, 1000h to 2000h",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Output voltage thermal hysteresis, cycle 1 (DBV package)",+ "symbol": "",+ "kind": "electrical",+ "unit": "ppm",+ "min": null,+ "typ": 30,+ "max": null,+ "conditions": "25°C, -40°C, 125°C, 25°C cycle 1",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Output voltage thermal hysteresis, cycle 2 (DBV package)",+ "symbol": "",+ "kind": "electrical",+ "unit": "ppm",+ "min": null,+ "typ": 10,+ "max": null,+ "conditions": "25°C, -40°C, 125°C, 25°C cycle 2",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance, junction-to-ambient (DBV 5-pin)",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 122.6,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance, junction-to-case (top) (DBV 5-pin)",+ "symbol": "RθJC(top)",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 80.2,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance, junction-to-board (DBV 5-pin)",+ "symbol": "RθJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 42,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-top characterization parameter (DBV 5-pin)",+ "symbol": "ΨJT",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 23.2,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-board characterization parameter (DBV 5-pin)",+ "symbol": "ΨJB",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 41.9,+ "max": null,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -203,4 +618,4 @@ "visibility": { "public": true }-}+}