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LB1940T Datasheet(PDF) 4 Page - Sanyo Semicon Device |
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LB1940T Datasheet(HTML) 4 Page - Sanyo Semicon Device |
4 / 8 page LB1940T/1940U No.7232-4/8 Pin Assignment Pin Description Pin No. Pin No. LB1940T LB1940U Pin Name Description LB1940T LB1940U Pin Name Description 1 20 VC1 Reference voltage input for 1ch control 1 10 VS2 Motor power supply (+) 2 19 S-GND GND for control system 2 9 OUT4 Motor drive output 4 3 18 VC2 Reference voltage input for 2ch control 3 8 RFG2 Constant-current detection pin 4 17 Vref Reference voltage output 4 7 OUT3 Motor drive output 3 5 16 ENA1 Signal input for 1ch control 5 6 OUT2 Motor drive output 2 6 15 ENA2 Signal input for 2ch control 6 5 RFG1 Constant-current detection pin 1 7 14 IN1 Signal input for 1ch control 7 4 OUT1 Motor drive output 1 8 13 IN2 Signal input for 2ch control 8 3 VDD Control system power supply (+) 9 12 FC1 C connection pin for 1ch phase compensation 9 2 SVDD Control system power output 10 11 FC2 C connection pin for 2ch phase compensation 10 1 VS1 Motor power supply (+) 10 9 8 7 6 5 4 3 2 1 20 13 14 11 15 16 17 18 19 12 VC1 S-GND VC2 Vref ENA1 ENA2 IN1 IN2 FC1 FC2 VS2 OUT4 RFG2 OUT3 OUT2 RFG1 OUT1 VDD SVDD VS1 Top view LB1940T 20 13 14 15 16 17 18 19 12 VC1 S-GND VC2 Vref ENA1 ENA2 IN1 IN2 FC1 11 FC2 10 VS2 9 OUT4 8 RFG2 7 OUT3 6 OUT2 5 RFG1 4 OUT1 3 VDD 2 SVDD 1 VS1 Top view LB1940U |
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