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LB1955 датащи(PDF) 4 Page - Sanyo Semicon Device |
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LB1955 датащи(HTML) 4 Page - Sanyo Semicon Device |
4 / 7 page No. 5452-4/7 LB1955 Pin Functions Pin No. Pin Function 23, 24 UIN1, UIN2 U phase Hall element input 25, 26 VIN1, VIN2 V phase Hall element input 27, 28 WIN1, WIN2 W phase Hall element input 16 UOUT U phase output 15 VOUT V phase output 13 WOUT W phase output 11 LCTR Pin connected to the center points of the coils that are Y-connected to the U, V, and W outputs. 9 VCC Power supply 10 VREF Reference voltage output 8 GND GND 14 Rf Output current detection 1 VG Closed loop control gain switching 2 FC Speed control loop frequency characteristics correction 3 LIM Output current limit setting 4 VC Speed control 5 PG PG waveform output 6 FG FG waveform output (FGR shorted to GND) 7 FGR PG/FG synthesized output (FGR shorted to PG) 18 SH PG waveform sample-and-hold circuit capacitor connection 22 AGC Connection for the capacitor used by the AGC circuit, which holds the input gain at a fixed level. 12, 17, 19 NC No connection 20, 21 Recommended Special Magnetization Waveforms Note: Note that the intersections between the special magnetization and general waveforms and the intersections between pairs of general waveforms must be set up to be 30° apart. Hall Input Order Note: The Hall input order must be set up to be W → V → U. B ≤ A < 7/6 × B 8/6 × D ≤ C ≤ 10/6 × D Hall input |
Аналогичный номер детали - LB1955 |
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Аналогичное описание - LB1955 |
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