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LB1877M Arkusz danych(PDF) 3 Page - Sanyo Semicon Device |
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LB1877M Arkusz danych(HTML) 3 Page - Sanyo Semicon Device |
3 / 7 page LB1877M No. 6199-3/7 Pin Function Pin number Pin name Function 20 UOUT U-phase output 1 VOUT V-phase output 2 WOUT W-phase output 6 UB U-phase base of 3-phase differential 5 VB V-phase base of 3-phase differential 4 WB W-phase base of 3-phase differential 18 VCC Power supply 7 OSC Startup oscillator pin 8 COM Output waveform detection comparator voltage 3 P – GND Output transistor and predriver ground 9 GND Ground pin 11 S/S Start/stop pin 19 DR Forward/reverse pin 12 VREF Reference voltage 0.9V 14 VSP Output waveform peak detection pin 13 IN+ Error amp non-inverted pin 15 OUT Error amp output pin 10 RI Current feedback resistor connection pin 16 FC Frequency response adjustment pin 17 LB Motor start lockup prevention. Connect to GND via capacitor Pin Assignment 20 19 18 17 16 15 14 13 12 11 RI COM OSC GND UB VSP VREF IN+ S/S OUT FC LB VCC DR UOUT LB1877M VB WB WOUT VOUT PGND 1 2 3 4 5 6 7 8 9 10 Top view |
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