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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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AM9799 Scheda tecnica(PDF) 1 Page - Diodes Incorporated |
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AM9799 Scheda tecnica(HTML) 1 Page - Diodes Incorporated |
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1 / 9 page  Preliminary Datasheet Single Phase Full-wave Low Voltage Fan Motor Driver AM9799 Jun. 2011 Rev. 1. 1 BCD Semiconductor Manufacturing Limited 1 General Description The AM9799 is a single-phase DC brushless motor driver IC featuring BiCMOS process. It is suitable for fan motor drivers for low voltage equipment such as the note personal computers. The AM9799 includes lock shutdown, automatic restart, frequency generator (FG), have been incorporated into one chip. When the motor is under lock condition, lock shutdown function turns off the output current. When the lock condition is removed, the IC automatically restarts and allows DC fan to run. In addition, the FG function is to output rotation speed signal. It features MOS-FET driver circuit for better saturation characteristics. Slew late of amplifiers and feedback resistors are optimized to achieve low-noise motor operation. The AM9799 is available in MSOP-8 package. Features • Lock Detection and Rotational Speed Sensing Mechanisms are Built-in • Rotor-locked Protection and Automatic Restart When the Motor Lock is Undone • Hall Bias Built-in and Hall Inputs Have a Hysteresis • Built-in Thermal Shutdown Circuit • Built-in Over Current Protection • Built-in Short Protection • Operating Voltage: VCC=2V to 6V • BiCMOS Technology • Compact Package: MSOP-8 Applications • CPU Cooler Fan in Notebook Personal Computers Figure 1. Package Type of AM9799 MSOP-8 |
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Descrizione simile - AM9799 |
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