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LM18298 Datasheet(PDF) 6 Page - National Semiconductor (TI) |
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LM18298 Datasheet(HTML) 6 Page - National Semiconductor (TI) |
6 / 8 page Applications Information TLH9302 – 9 TLH9302 – 10 Enable B Inputs Motor Direction Input 3 e H Input 4 e L Clockwise H Input 3 e L Input 4 e H Counterclockwise Input 3 e Input 4 Dynamic Braking L Input 3 e X Input 4 e Input 3 Coast to a Stop L e Low H e High X e don’t care FIGURE 4 Bidirectional DC Motor Control Enable B Input 3 Motor 1 Input 4 Motor 2 H H Dynamic Braking H Run H L Run L Dynamic Braking L X Coast to a Stop X Coast to a Stop L e Low H e High X e Don’t Care FIGURE 5 2-Motor Controller (Using both High- and Low-Side Driver Modes) TLH9302 – 11 FIGURE 6 Two-Phase Bipolar Stepper Motor Control Circuit CLAMP DIODES When driving inductive loads diodes are necessary to clamp spikes at the LM18298 outputs Clamp diodes must have a recovery time of 200 ns or better and a forward drop of 12V or less at the rated load current Typical devices are the MB346 (Microsemi Corp Santa Ana CA) and the V331X (Varo Semiconductor Inc Garland TX) 6 |
Similar Part No. - LM18298 |
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Similar Description - LM18298 |
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