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LB1981V Folha de dados(PDF) 4 Page - Sanyo Semicon Device |
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LB1981V Folha de dados(HTML) 4 Page - Sanyo Semicon Device |
4 / 9 page LB1981V No. 5917-4/9 Pin Descriptions Pin number 3 4 5 6 7 8 9 10 Pin name STBY SEL CSLP FRC VS VCC2 VCC1 CLSP1 CLSP2 Pin voltage VCC1 max –0.2V min VCC1 max –0.2V min VCC1 max –0.2V min 0V to VCC2 2.7V to 10V 2.7V to 6V Equivalent circuit Pin function When this pin is at 0.7V or less or when it is open, only the FG/PG amplifier operates. In the motor drive state, the pin should be at 2V or higher. CSLP pin charge/discharge current switching pin. Setting this pin to 2V or higher switches the triangular wave slope that determines soft switching. Motor forward/reverse switching pin. Low: reverse (–0.2V to +0.7V or open) High: forward (2V to VCC1) Power supply pin for determining output amplitude by supplying motor voltage. Must be lower than VCC2 voltage. Power supply pin for supplying source side predriver voltage and coil waveform detect comparator voltage. Power supply pin for circuits except motor voltage, source side predriver voltage, and coil waveform detect comparator voltage. Pins for connecting triangular wave oscillator capacitor. This triangular wave coil output performs waveform soft switching. Continued on next page 3 100k Ω 100k Ω VCC1 A10858 4 100k Ω 100k Ω VCC1 A10859 5 50k Ω 50k Ω VCC1 A10860 20 µA 9 10 4 µA20µA 8 µA 1k Ω VCC1 A10861 |
Nº de peça semelhante - LB1981V |
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Descrição semelhante - LB1981V |
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