component
LM5123QRGRRQ1
Public Made by Adomby adom
Texas Instruments DC-DC Converters, VQFN-20(3.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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page.json+10−7@@ -89,19 +89,19 @@ "number": "7", "name": "HB", "type": "passive",- "description": "High-side driver power supply with internal bootstrap diode connected from VCC; connect 0.1\u03bcF capacitor between this pin and SW."+ "description": "High-side driver power supply with internal bootstrap diode connected from VCC; connect 0.1μF capacitor between this pin and SW." }, { "number": "8", "name": "BIAS", "type": "power_in",- "description": "Power supply input voltage for VCC regulator; accepts 3.8V to 42V; connect 1\u03bcF capacitor between pin and ground."+ "description": "Power supply input voltage for VCC regulator; accepts 3.8V to 42V; connect 1μF capacitor between pin and ground." }, { "number": "9", "name": "VCC", "type": "power_out",- "description": "Internal VCC regulator output (5V nominal) and power supply for internal MOSFET drivers; connect 4.7\u03bcF capacitor between pin and PGND."+ "description": "Internal VCC regulator output (5V nominal) and power supply for internal MOSFET drivers; connect 4.7μF capacitor between pin and PGND." }, { "number": "10",@@ -119,7 +119,7 @@ "number": "12", "name": "MODE", "type": "input",- "description": "Device switching mode selection pin for FPWM, diode emulation, and skip modes; open or >500k\u03a9 to AGND selects skip mode, <0.4V selects DE mode, >2.0V selects FPWM mode."+ "description": "Device switching mode selection pin for FPWM, diode emulation, and skip modes; open or >500kΩ to AGND selects skip mode, <0.4V selects DE mode, >2.0V selects FPWM mode." }, { "number": "13",@@ -143,13 +143,13 @@ "number": "16", "name": "VREF/RANGE", "type": "power_in",- "description": "1.0V internal reference voltage output and VOUT range selection pin; connect 470pF capacitor to AGND; output voltage range selected by resistor divider during configuration (75-100k\u03a9 for 5-20V, 20-35k\u03a9 for 15-57V)."+ "description": "1.0V internal reference voltage output and VOUT range selection pin; connect 470pF capacitor to AGND; output voltage range selected by resistor divider during configuration (75-100kΩ for 5-20V, 20-35kΩ for 15-57V)." }, { "number": "17", "name": "SS", "type": "bidirectional",- "description": "Soft start time programming pin; external capacitor and internal 20\u03bcA current source set soft start ramp rate of error amplifier reference during startup."+ "description": "Soft start time programming pin; external capacitor and internal 20μA current source set soft start ramp rate of error amplifier reference during startup." }, { "number": "18",@@ -253,5 +253,8 @@ "docs/lm5123qrgrrq1-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }