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+14−11@@ -64,13 +64,13 @@ "number": "3", "name": "VOUT/SENSE", "type": "input",- "description": "Output voltage sensing pin for internal feedback divider requiring 0.1\u00b5F bypass capacitor with 5V to 57V operating range."+ "description": "Output voltage sensing pin for internal feedback divider requiring 0.1µF bypass capacitor with 5V to 57V operating range." }, { "number": "4", "name": "PGOOD", "type": "tri_state",- "description": "Open-drain power good indicator output pin with 5k\u03a9 to 100k\u03a9 external pull-up resistor transitioning on output voltage under-voltage threshold."+ "description": "Open-drain power good indicator output pin with 5kΩ to 100kΩ external pull-up resistor transitioning on output voltage under-voltage threshold." }, { "number": "5",@@ -88,19 +88,19 @@ "number": "7", "name": "HB", "type": "passive",- "description": "Bootstrap driver supply pin charged from VCC through internal bootstrap diode requiring 0.1\u00b5F capacitor between HB and SW."+ "description": "Bootstrap driver supply pin charged from VCC through internal bootstrap diode requiring 0.1µF capacitor between HB and SW." }, { "number": "8", "name": "BIAS", "type": "power_in",- "description": "VCC regulator power supply input accepting 3.8V to 42V range with 1\u00b5F bypass capacitor supporting 0.8V minimum boost input when BIAS \u2265 3.8V."+ "description": "VCC regulator power supply input accepting 3.8V to 42V range with 1µF bypass capacitor supporting 0.8V minimum boost input when BIAS ≥ 3.8V." }, { "number": "9", "name": "VCC", "type": "power_out",- "description": "Internal regulated 5V power supply output (4.75V to 5.25V) requiring 4.7\u00b5F bypass capacitor and 100mA minimum pull current during device configuration."+ "description": "Internal regulated 5V power supply output (4.75V to 5.25V) requiring 4.7µF bypass capacitor and 100mA minimum pull current during device configuration." }, { "number": "10",@@ -118,7 +118,7 @@ "number": "12", "name": "MODE", "type": "input",- "description": "Switching mode selection pin configured at startup for skip mode (open or >500k\u03a9 to AGND), diode emulation mode (<0.4V), or FPWM mode (>2.0V/VCC) with dynamic mode switching."+ "description": "Switching mode selection pin configured at startup for skip mode (open or >500kΩ to AGND), diode emulation mode (<0.4V), or FPWM mode (>2.0V/VCC) with dynamic mode switching." }, { "number": "13",@@ -130,7 +130,7 @@ "number": "14", "name": "SYNC/DITHER/VH/CP", "type": "bidirectional",- "description": "Multiplex pin functioning as external synchronous clock input (0.75\u00d7fRT to 1.5\u00d7fRT), spread spectrum dither capacitor pin (\u00b16% to +5% modulation), VCC hold pin when >2.0V, and charge pump enable pin when >2.0V."+ "description": "Multiplex pin functioning as external synchronous clock input (0.75×fRT to 1.5×fRT), spread spectrum dither capacitor pin (±6% to +5% modulation), VCC hold pin when >2.0V, and charge pump enable pin when >2.0V." }, { "number": "15",@@ -142,13 +142,13 @@ "number": "16", "name": "VREF/RANGE", "type": "power_in",- "description": "1.0V internal reference voltage output with 330pF to 1nF bypass capacitor requirement and VOUT range selection pin configured at startup with 75k\u03a9 to 100k\u03a9 (5V-20V) or 20k\u03a9 to 35k\u03a9 (15V-57V)."+ "description": "1.0V internal reference voltage output with 330pF to 1nF bypass capacitor requirement and VOUT range selection pin configured at startup with 75kΩ to 100kΩ (5V-20V) or 20kΩ to 35kΩ (15V-57V)." }, { "number": "17", "name": "SS", "type": "bidirectional",- "description": "Soft start capacitor pin charged by 20\u00b5A internal current source providing 120\u00b5s ramp with forced diode emulation below 1.5V and SS-FB clamp at 55mV above feedback voltage."+ "description": "Soft start capacitor pin charged by 20µA internal current source providing 120µs ramp with forced diode emulation below 1.5V and SS-FB clamp at 55mV above feedback voltage." }, { "number": "18",@@ -166,7 +166,7 @@ "number": "20", "name": "COMP", "type": "output",- "description": "Error amplifier output pin providing compensation network interface with 10M\u03a9 output impedance and 3MHz bandwidth for loop filter design."+ "description": "Error amplifier output pin providing compensation network interface with 10MΩ output impedance and 3MHz bandwidth for loop filter design." }, { "number": "21",@@ -252,5 +252,8 @@ "docs/lm5123qrgrrq1-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }