LB1666 Sanyo Semiconductor Corporation, LB1666 Datasheet
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LB1666
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LB1666 Summary of contents
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... DC brushless fan motor) drivers Features and Functions . Protection against motor lock and automatic return can be . provided with a minimum number of external parts. The LB1663, LB1663M, LB1666 can be operated from either power supply by changing an external resistor. . Possible to connect a Hall element direct to the LB1663, LB1663M, LB1666. . ...
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Specifications [LB1663] Absolute Maximum Ratings 25°C Parameter Symbol Maximum input current I CC Output supply voltage V O Maximum output current I max O RD flow-in current supply voltage V RD Allowable power Pd ...
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... V V input voltage IN Amp input offset voltage Amp input bias current RD output saturation voltage V C flow-out current C discharge current Comparator input threshold voltage [LB1666] Absolute Maximum Ratings 25°C Parameter Symbol Maximum input current I CC Output supply voltage V O Maximum output current I ...
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Pin Assignment Equivalent Circuit Block Diagram and Sample Application Circuit Constant current circuit (Note) *1: Radio noise reduction capacitor: 0.01 to 0.1 µF. *2: Use a less leaky capacitor. LB1663, 1663M, 1666 Top view No. 2552- 4/6 ...
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Truth Table IN+ IN– C OUT1 Output Protection For C marked with 1 µF Lock detect time Lock protect time (output on) Lock protect time (output off) Pin ...
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Rotation Output on Lock 1 When a fan is rotating, the capacitor is charged at 3 µA (typ) and discharged through the C with pulses according to the rotational speed. 2 When a fan is locked, no discharge occurs through ...