component
RT5797ALGQW
Public Made by Adomby adom
Richtek Tech DC-DC Converters, DFN-8-EP(2x2). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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rt5797algqw: specified limits as data (metadata.characteristics, 33 rows from the datasheet)
2 files changed
+444−1
README.md+40@@ -27,6 +27,46 @@ RT5797ALGQW from Richtek Tech, in a DFN-8-EP(2x2). Pinout and pin descriptions e | Category | Power Management (PMIC) | | Pins | 9 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Supply Input Voltage (absolute max) | | -0.3 | | 6.5 | V | | 5 |+| LX Pin Switch Voltage | | -0.3 | | | V | max printed as VIN + 0.3V | 5 |+| LX Pin Switch Voltage (transient) | | -4.5 | | 7.5 | V | <20ns | 5 |+| Junction Temperature (absolute max) | | -40 | | 150 | °C | | 5 |+| Storage Temperature Range | | -65 | | 150 | °C | | 5 |+| Lead Temperature (soldering) | | | | 260 | °C | 10 sec soldering | 5 |+| ESD Susceptibility HBM | | | | 2 | kV | HBM (Human Body Model) | 5 |+| Power Dissipation WDFN-8L 2x2 | PD | | | 2.19 | W | TA = 25°C | 5 |+| Supply Input Voltage (recommended) | | 2.7 | | 6 | V | | 5 |+| Ambient Temperature Range (recommended) | | -40 | | 85 | °C | | 5 |+| Junction Temperature Range (recommended) | | -40 | | 125 | °C | | 5 |+| Input Voltage | VIN | 2.7 | | 6 | V | | 5 |+| Feedback Reference Voltage | VREF | 0.594 | 0.6 | 0.606 | V | | 5 |+| Feedback Leakage Current | IFB | | | 0.1 | A | VFB = 0.6V | 5 |+| DC Bias Current (Active) | | | 22 | 36 | A | VFB = 0.63V, not switching | 5 |+| DC Bias Current (Shutdown) | | | | 1 | A | | 5 |+| Switching Leakage Current | | | | 1 | A | | 5 |+| Switching Frequency | | 0.8 | 1 | 1.2 | MHz | | 5 |+| Switch On Resistance, Low | RNMOS | | 70 | 85 | m | ISW = 0.3A | 5 |+| Switch On Resistance, High | RPMOS | | 100 | 125 | m | ISW = 0.3A | 5 |+| Valley Current Limit | ILIM | 3.03 | 3.7 | 4.6 | A | | 5 |+| Under-Voltage Lockout Threshold (rising) | VUVLO | | 2.25 | 2.5 | V | VDD rising | 5 |+| Enable Threshold Voltage H-Level | VENH | 0.7 | 0.85 | 1.05 | V | EN rising | 6 |+| Enable Threshold Voltage L-Level | VENL | 0.5 | 0.75 | 0.95 | V | EN falling | 6 |+| PG Pin Threshold (relative to VOUT) | | 85 | 90 | 95 | % | Rising | 6 |+| PG Pin Threshold (relative to VOUT) | | 80 | 85 | 90 | % | Falling | 6 |+| PG Open-Drain Impedance | | | | 20 | | PG = low | 6 |+| Soft-Start Time | tSS | 0.5 | 1.2 | 2 | ms | | 6 |+| Minimum Off Time | tOFF_MIN | 70 | 120 | 180 | ns | | 6 |+| Maximum Duty Cycle | DMAX | 70 | | | % | (Note 5) | 6 |+| Output Discharge Switch On Resistance | | 1.2 | 1.8 | 2.4 | k | | 6 |+| Over-Voltage Protection (relative to VOUT) | VOVP | 115 | 120 | 125 | % | Rising | 6 |+| Package Thermal Resistance, Junction-to-Ambient (WDFN-8L 2x2) | JA | | 45.5 | | °C/W | Natural convection, TA = 25°C, JEDEC 51-7 four-layer board (Note 2) | 5 |+ ## CAD (KiCad official) - Symbol: `RT5797ALGQW`
page.json+404−1@@ -186,6 +186,409 @@ "Package": "DFN-8-EP(2x2)", "Category": "Power Management (PMIC)", "Pins": "9"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "0ebe371e02364fc5",+ "rows": [+ {+ "name": "Supply Input Voltage (absolute max)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": 6.5,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "LX Pin Switch Voltage",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.3,+ "typ": null,+ "max": null,+ "conditions": "max printed as VIN + 0.3V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "LX Pin Switch Voltage (transient)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -4.5,+ "typ": null,+ "max": 7.5,+ "conditions": "<20ns",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature (absolute max)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Storage Temperature Range",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Lead Temperature (soldering)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 260,+ "conditions": "10 sec soldering",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "ESD Susceptibility HBM",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "kV",+ "min": null,+ "typ": null,+ "max": 2,+ "conditions": "HBM (Human Body Model)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Power Dissipation WDFN-8L 2x2",+ "symbol": "PD",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 2.19,+ "conditions": "TA = 25°C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Supply Input Voltage (recommended)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 2.7,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Ambient Temperature Range (recommended)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 85,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature Range (recommended)",+ "symbol": "",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Input Voltage",+ "symbol": "VIN",+ "kind": "electrical",+ "unit": "V",+ "min": 2.7,+ "typ": null,+ "max": 6,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Feedback Reference Voltage",+ "symbol": "VREF",+ "kind": "electrical",+ "unit": "V",+ "min": 0.594,+ "typ": 0.6,+ "max": 0.606,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Feedback Leakage Current",+ "symbol": "IFB",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 0.1,+ "conditions": "VFB = 0.6V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "DC Bias Current (Active)",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": 22,+ "max": 36,+ "conditions": "VFB = 0.63V, not switching",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "DC Bias Current (Shutdown)",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Switching Leakage Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Switching Frequency",+ "symbol": "",+ "kind": "electrical",+ "unit": "MHz",+ "min": 0.8,+ "typ": 1,+ "max": 1.2,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Switch On Resistance, Low",+ "symbol": "RNMOS",+ "kind": "electrical",+ "unit": "m",+ "min": null,+ "typ": 70,+ "max": 85,+ "conditions": "ISW = 0.3A",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Switch On Resistance, High",+ "symbol": "RPMOS",+ "kind": "electrical",+ "unit": "m",+ "min": null,+ "typ": 100,+ "max": 125,+ "conditions": "ISW = 0.3A",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Valley Current Limit",+ "symbol": "ILIM",+ "kind": "electrical",+ "unit": "A",+ "min": 3.03,+ "typ": 3.7,+ "max": 4.6,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Under-Voltage Lockout Threshold (rising)",+ "symbol": "VUVLO",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 2.25,+ "max": 2.5,+ "conditions": "VDD rising",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Enable Threshold Voltage H-Level",+ "symbol": "VENH",+ "kind": "electrical",+ "unit": "V",+ "min": 0.7,+ "typ": 0.85,+ "max": 1.05,+ "conditions": "EN rising",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Enable Threshold Voltage L-Level",+ "symbol": "VENL",+ "kind": "electrical",+ "unit": "V",+ "min": 0.5,+ "typ": 0.75,+ "max": 0.95,+ "conditions": "EN falling",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "PG Pin Threshold (relative to VOUT)",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": 85,+ "typ": 90,+ "max": 95,+ "conditions": "Rising",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "PG Pin Threshold (relative to VOUT)",+ "symbol": "",+ "kind": "electrical",+ "unit": "%",+ "min": 80,+ "typ": 85,+ "max": 90,+ "conditions": "Falling",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "PG Open-Drain Impedance",+ "symbol": "",+ "kind": "electrical",+ "unit": "",+ "min": null,+ "typ": null,+ "max": 20,+ "conditions": "PG = low",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Soft-Start Time",+ "symbol": "tSS",+ "kind": "timing",+ "unit": "ms",+ "min": 0.5,+ "typ": 1.2,+ "max": 2,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Minimum Off Time",+ "symbol": "tOFF_MIN",+ "kind": "timing",+ "unit": "ns",+ "min": 70,+ "typ": 120,+ "max": 180,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Maximum Duty Cycle",+ "symbol": "DMAX",+ "kind": "electrical",+ "unit": "%",+ "min": 70,+ "typ": null,+ "max": null,+ "conditions": "(Note 5)",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Output Discharge Switch On Resistance",+ "symbol": "",+ "kind": "electrical",+ "unit": "k",+ "min": 1.2,+ "typ": 1.8,+ "max": 2.4,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Over-Voltage Protection (relative to VOUT)",+ "symbol": "VOVP",+ "kind": "electrical",+ "unit": "%",+ "min": 115,+ "typ": 120,+ "max": 125,+ "conditions": "Rising",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Package Thermal Resistance, Junction-to-Ambient (WDFN-8L 2x2)",+ "symbol": "JA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 45.5,+ "max": null,+ "conditions": "Natural convection, TA = 25°C, JEDEC 51-7 four-layer board (Note 2)",+ "source_page": 5,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -227,4 +630,4 @@ "visibility": { "public": true }-}+}