component
LT3973EDD#TRPBF
Public Made by Adomby adom
Analog Devices DC-DC Converters, DFN-10-EP(3x3). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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lt3973edd-trpbf: specified limits as data (metadata.characteristics, 40 rows from the datasheet)
2 files changed
+534
README.md+47@@ -70,6 +70,53 @@ Same part, different packaging or reel option. - `LT3973EDD#TRPBFHMSE-5#PBF` - `LT3973EDD#TRPBFHMSE-5#TRPBF` +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Minimum Input Voltage | | 3.8 | | 4.2 | V | | 3 |+| Quiescent Current from VIN | | | 0.75 | 1.3 | µA | VEN/UVLO Low | 3 |+| Quiescent Current from VIN | | | 1.8 | 2.8 | µA | VEN/UVLO High | 3 |+| Quiescent Current from VIN | | | | 6 | µA | VEN/UVLO High, –40°C to 125°C | 3 |+| LT3973 Feedback Voltage | | 1.195 | 1.21 | 1.225 | V | | 3 |+| LT3973 Feedback Voltage | | 1.185 | 1.21 | 1.235 | V | | 3 |+| LT3973 FB Pin Bias Current | | 0.1 | | 20 | nA | VFB = 1.21V | 3 |+| FB/Output Voltage Line Regulation | | | 0.0002 | 0.01 | %/V | 4.2V < VIN < 40V | 3 |+| Switching Frequency | | 1.72 | 2.15 | 2.58 | MHz | RT = 41.2k, VIN = 6V | 3 |+| Switching Frequency | | 632 | 790 | 948 | kHz | RT = 158k, VIN = 6V | 3 |+| Switching Frequency | | 156 | 195 | 234 | kHz | RT = 768k, VIN = 6V | 3 |+| Switch Current Limit | | 1.237 | 1.65 | 1.98 | A | VIN = 5V, VFB = 0V | 3 |+| Catch Schottky Current Limit | | 0.92 | 1.15 | 1.44 | A | VIN = 5V | 3 |+| Switch VCESAT | | | | 250 | mV | ISW = 500mA | 3 |+| Switch Leakage Current | | | 0.05 | 2 | µA | | 3 |+| Catch Schottky Forward Voltage | | | | 550 | mV | ISCH = 200mA, VIN = VBD = NC | 3 |+| Catch Schottky Reverse Leakage | | | 0.05 | 2 | µA | VSW = 12V | 3 |+| Boost Schottky Forward Voltage | | | | 820 | mV | ISCH = 50mA, VIN = NC, VBOOST = 0V | 3 |+| Boost Schottky Reverse Leakage | | | 0.02 | 2 | µA | VREVERSE = 12V | 3 |+| Minimum Boost Voltage | | 1.4 | | 1.8 | V | VIN = 5V | 3 |+| BOOST Pin Current | | | 10 | 13 | mA | ISW = 500mA, VBOOST = 15V | 3 |+| Dropout Comparator Threshold (VIN - OUT) | | 400 | 490 | 580 | mV | Falling, VIN = 5V | 3 |+| Dropout Comparator Hysteresis | | | 40 | | mV | | 3 |+| EN/UVLO Pin Current | | | 1 | 30 | nA | VEN/UVLO = 12V | 4 |+| EN/UVLO Voltage Threshold | | 1.09 | 1.16 | 1.23 | V | EN/UVLO Falling, VIN ≥ 4.2V | 4 |+| EN/UVLO Voltage Threshold | | 1.12 | 1.19 | 1.28 | V | EN/UVLO Rising, VIN ≥ 4.2V | 4 |+| EN/UVLO Voltage Hysteresis | | | 30 | 45 | mV | | 4 |+| PG Threshold Offset from Feedback Voltage | | 6.5 | 10 | 13.5 | % | VFB Rising | 4 |+| PG Hysteresis as % of Output Voltage | | | 0.8 | | % | | 4 |+| PG Leakage | | | 0.01 | 1 | µA | VPG = 3V | 4 |+| PG Sink Current | | 220 | | 350 | µA | VPG = 0.4V | 4 |+| Minimum Switch On-Time | | | 70 | | ns | | 4 |+| Minimum Switch Off-Time | | | 130 | 180 | ns | VIN = 10V | 4 |+| BOOST Pin Above SW Pin | | | | 25 | V | | 2 |+| FB/VOUT, RT, PG Voltage | | | | 6 | V | | 2 |+| BD Voltage | | | | 25 | V | | 2 |+| Storage Temperature Range | | -65 | | 150 | °C | | 2 |+| Operating Junction Temperature Range (E grade) | | -40 | | 125 | °C | LT3973E | 2 |+| Junction-to-Ambient Thermal Resistance (θJA) | | | 40 | | °C/W | DD package (10-lead 3mm × 3mm DFN) | 2 |+| Junction-to-Case Thermal Resistance (θJC) | | | 5 | | °C/W | DD package (10-lead 3mm × 3mm DFN) | 2 |+ ## CAD (KiCad official) - Symbol: `LT3973EDD#TRPBF`
page.json+487@@ -164,6 +164,493 @@ "Package": "DFN-10-EP(3x3)", "Category": "Power Management (PMIC)", "Pins": "11"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "8b84083bfbac6278",+ "rows": [+ {+ "name": "Minimum Input Voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 3.8,+ "typ": null,+ "max": 4.2,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Quiescent Current from VIN",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.75,+ "max": 1.3,+ "conditions": "VEN/UVLO Low",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Quiescent Current from VIN",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 1.8,+ "max": 2.8,+ "conditions": "VEN/UVLO High",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Quiescent Current from VIN",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "VEN/UVLO High, –40°C to 125°C",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "LT3973 Feedback Voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.195,+ "typ": 1.21,+ "max": 1.225,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "LT3973 Feedback Voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.185,+ "typ": 1.21,+ "max": 1.235,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "LT3973 FB Pin Bias Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "nA",+ "min": 0.1,+ "typ": null,+ "max": 20,+ "conditions": "VFB = 1.21V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "FB/Output Voltage Line Regulation",+ "symbol": "",+ "kind": "electrical",+ "unit": "%/V",+ "min": null,+ "typ": 0.0002,+ "max": 0.01,+ "conditions": "4.2V < VIN < 40V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Switching Frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "MHz",+ "min": 1.72,+ "typ": 2.15,+ "max": 2.58,+ "conditions": "RT = 41.2k, VIN = 6V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Switching Frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 632,+ "typ": 790,+ "max": 948,+ "conditions": "RT = 158k, VIN = 6V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Switching Frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "kHz",+ "min": 156,+ "typ": 195,+ "max": 234,+ "conditions": "RT = 768k, VIN = 6V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Switch Current Limit",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": 1.237,+ "typ": 1.65,+ "max": 1.98,+ "conditions": "VIN = 5V, VFB = 0V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Catch Schottky Current Limit",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": 0.92,+ "typ": 1.15,+ "max": 1.44,+ "conditions": "VIN = 5V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Switch VCESAT",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": null,+ "max": 250,+ "conditions": "ISW = 500mA",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Switch Leakage Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.05,+ "max": 2,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Catch Schottky Forward Voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": null,+ "max": 550,+ "conditions": "ISCH = 200mA, VIN = VBD = NC",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Catch Schottky Reverse Leakage",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.05,+ "max": 2,+ "conditions": "VSW = 12V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Boost Schottky Forward Voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": null,+ "max": 820,+ "conditions": "ISCH = 50mA, VIN = NC, VBOOST = 0V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Boost Schottky Reverse Leakage",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.02,+ "max": 2,+ "conditions": "VREVERSE = 12V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Minimum Boost Voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.4,+ "typ": null,+ "max": 1.8,+ "conditions": "VIN = 5V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "BOOST Pin Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 10,+ "max": 13,+ "conditions": "ISW = 500mA, VBOOST = 15V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Dropout Comparator Threshold (VIN - OUT)",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": 400,+ "typ": 490,+ "max": 580,+ "conditions": "Falling, VIN = 5V",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Dropout Comparator Hysteresis",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 40,+ "max": null,+ "conditions": "",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "EN/UVLO Pin Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "nA",+ "min": null,+ "typ": 1,+ "max": 30,+ "conditions": "VEN/UVLO = 12V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "EN/UVLO Voltage Threshold",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.09,+ "typ": 1.16,+ "max": 1.23,+ "conditions": "EN/UVLO Falling, VIN ≥ 4.2V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "EN/UVLO Voltage Threshold",+ "symbol": "",+ "kind": "electrical",+ "unit": "V",+ "min": 1.12,+ "typ": 1.19,+ "max": 1.28,+ "conditions": "EN/UVLO Rising, VIN ≥ 4.2V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "EN/UVLO Voltage Hysteresis",+ "symbol": "",+ "kind": "electrical",+ "unit": "mV",+ "min": null,+ "typ": 30,+ "max": 45,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "PG Threshold Offset from Feedback Voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": 6.5,+ "typ": 10,+ "max": 13.5,+ "conditions": "VFB Rising",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "PG Hysteresis as % of Output Voltage",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": null,+ "typ": 0.8,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "PG Leakage",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": 0.01,+ "max": 1,+ "conditions": "VPG = 3V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "PG Sink Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "µA",+ "min": 220,+ "typ": null,+ "max": 350,+ "conditions": "VPG = 0.4V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Minimum Switch On-Time",+ "symbol": "",+ "kind": "timing",+ "unit": "ns",+ "min": null,+ "typ": 70,+ "max": null,+ "conditions": "",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "Minimum Switch Off-Time",+ "symbol": "",+ "kind": "timing",+ "unit": "ns",+ "min": null,+ "typ": 130,+ "max": 180,+ "conditions": "VIN = 10V",+ "source_page": 4,+ "source": "datasheet"+ },+ {+ "name": "BOOST Pin Above SW Pin",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 25,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "FB/VOUT, RT, PG Voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "BD Voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 25,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Storage Temperature Range",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Operating Junction Temperature Range (E grade)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "LT3973E",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-Ambient Thermal Resistance (θJA)",+ "symbol": "",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 40,+ "max": null,+ "conditions": "DD package (10-lead 3mm × 3mm DFN)",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-Case Thermal Resistance (θJC)",+ "symbol": "",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 5,+ "max": null,+ "conditions": "DD package (10-lead 3mm × 3mm DFN)",+ "source_page": 2,+ "source": "datasheet"+ }+ ] } }, "variants": [