component
UCC28740QDRQ1
Public Made by Adomby adom
Texas Instruments AC-DC Controllers And Regulators, SOIC-7. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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page.json+9−6@@ -52,19 +52,19 @@ "number": "1", "name": "VDD", "type": "power_in",- "description": "Bias-supply input to controller with operating range 9 V to 35 V, UVLO turn-on threshold 21 V, turn-off threshold 7.75 V, and requirement for 0.047 \u00b5F bypass capacitor to GND."+ "description": "Bias-supply input to controller with operating range 9 V to 35 V, UVLO turn-on threshold 21 V, turn-off threshold 7.75 V, and requirement for 0.047 µF bypass capacitor to GND." }, { "number": "2", "name": "VS", "type": "power_in",- "description": "Voltage-sense input connected to auxiliary-winding voltage divider for demagnetization timing feedback, constant-current control, and overvoltage detection with voltage range from \u22120.75 V to 7 V."+ "description": "Voltage-sense input connected to auxiliary-winding voltage divider for demagnetization timing feedback, constant-current control, and overvoltage detection with voltage range from −0.75 V to 7 V." }, { "number": "3", "name": "FB", "type": "input",- "description": "Feedback input receiving current signal from optocoupler output transistor with internal 2.5\u00d7 current divider applied to generate control-law voltage, maximum current \u00b11.2 mA, and maximum voltage 7 V."+ "description": "Feedback input receiving current signal from optocoupler output transistor with internal 2.5× current divider applied to generate control-law voltage, maximum current ±1.2 mA, and maximum voltage 7 V." }, { "number": "4",@@ -76,7 +76,7 @@ "number": "5", "name": "CS", "type": "input",- "description": "Current-sense input connected to ground-referenced current-sense resistor for peak primary-current monitoring with voltage range \u22120.5 V to 5 V and thresholds 194 mV minimum to 773 mV maximum."+ "description": "Current-sense input connected to ground-referenced current-sense resistor for peak primary-current monitoring with voltage range −0.5 V to 5 V and thresholds 194 mV minimum to 773 mV maximum." }, { "number": "6",@@ -88,7 +88,7 @@ "number": "8", "name": "HV", "type": "input",- "description": "High-voltage startup pin rated to 700 V for charging VDD capacitor with startup current of 250 \u00b5A typical and run-state leakage current of 0.5 \u00b5A maximum."+ "description": "High-voltage startup pin rated to 700 V for charging VDD capacitor with startup current of 250 µA typical and run-state leakage current of 0.5 µA maximum." } ], "provenance": {@@ -166,5 +166,8 @@ "docs/ucc28740qdrq1-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ]+ ],+ "visibility": {+ "public": true+ } }