поискавой системы для электроныых деталей |
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FAN8902 датащи(PDF) 10 Page - Fairchild Semiconductor |
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FAN8902 датащи(HTML) 10 Page - Fairchild Semiconductor |
10 / 14 page FAN8902(KA3902) 10 8. Operational Mode Selection The FAN8902 has three operation modes as follows: - STOP: Turned-off the power MOSFET - LINEAR: Linearly controlled the power MOSFET - FULL-ON: Fully turned-on the power MOSFET The voltage, VSRT (PIN #9) and VMAX (PIN #7), in the application circuit are as follows: -VSRT (PIN #9) = Vref × R7 / (R5 + R6 + R7) -VMAX (PIN #7) = Vref × (R6 + R7) / (R5 + R6 + R7) 9. Over Voltage Protector (Ovp) If the voltage, VBAT ≥ 36[V], the output (pin #12) is grounded, and the switching device (power MOSFET) is turned-off, and the motor is stopped. Then if the voltage, VBAT → 36[V], the switching device is turned-on again, and the motor is operated. 10. Totem-pole Output The FAN8902 has a single totem-pole output driver which can be drive current to peak ±0.8[A]. Motor current Normal operation Stalled state Reduced switch-on time VCMD VCS VLa Uncontrolled without the FAN8902 Controlled with the FAN8902 IMAX current [A] ISRT VSRT VCMD [V] VMAX VBAT FULL-ON STOP LINEAR Motor |
Аналогичный номер детали - FAN8902 |
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Аналогичное описание - FAN8902 |
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