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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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LM3447MT/NOPB Scheda tecnica(PDF) 5 Page - Texas Instruments |
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LM3447MT/NOPB Scheda tecnica(HTML) 5 Page - Texas Instruments |
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5 / 25 page  13 Input Voltage Sense and Feedforward Control 1 5 FET Turn-on Logic Angle Detection Circuit 3 11 Internal Regulators VCC UVLO / OVP Thermal Shutdown 10 UVLO OVP DISABLE S Q Q R 9 LEB + 275mV 14 UVLO 13.5V 4.2V Angle Decoding Circuit 4 Reference Generator 2 Thermal Foldback 1.75V 7.88k + 6 7 PWM Comparator Error Amplifier Triggered Ramp Generator 2.5V 280mV Fault Timer VREF 12 3.5V 1.75V Valley Detection Circuit 8 LEB + 1.75V AUX OVP Comparator Logic and Control VAC FF FLT2 TSNS INV COMP AUX HOLD FLT1 VCC GATE ISNS BIAS GND ENHOLD Hold Enable OVP ENHOLD Hold Enable ENHOLD Hold Enable LM3447 www.ti.com SNOSC65 A – APRIL 2012 – REVISED MAY 2012 DEVICE INFORMATION FUNCTIONAL BLOCK DIAGRAM Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM3447 |
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