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LB11988D Folha de dados(PDF) 5 Page - Sanyo Semicon Device |
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LB11988D Folha de dados(HTML) 5 Page - Sanyo Semicon Device |
5 / 8 page LB11988D No.A0433-5/8 Pin Functions Pin Name Pin No. Input/Output Equivalent Circuit Pin Functions VCC 1 Power supply pin for supplying power to all circuits expect output section in IC; this voltage must be stabilized so as to eliminate ripple and noise. GND 11 GND for others than the output transistor. Minimum potential of output transistor is at RF pin UIN+, UIN- 7, 6 U-phase Hall device input pin; logic “H” presents IN+>IN- VIN+, VIN- 5, 4 V-phase Hall device input pin; logic “H” presents IN+>IN- WIN+, WIN- 3, 2 W-phase Hall device input pin; logic “H” presents IN+>IN- UOUT VOUT WOUT 16 15 14 U-phase output pin. V-phase output pin. W-phase output pin. (Built-in spark killer diode) RF 19 Output current detection pin. Connecting Rf between this pin and GND activates current limiting circuit. Then the lower over-saturation prevention circuit is activated in accordance with this pin voltage. Since the over-saturation prevention level is set with this voltage, the lower over-saturation prevention effect may deteriorate in the high current range if the Rf value is reduced to an extremely low level. VS 20 Power supply pin for supplying power to output section in IC. FR 12 Forward/Reverse switching pin. Continued on next page. Each (+) input 200 Ω 200 Ω Each (-) input 7 5 3 6 4 2 200 Ω Each OUT VS VCC Lower oversaturation prevention circuit block RF 20 19 15 14 16 200 Ω FR VCC 12 |
Nº de peça semelhante - LB11988D |
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Descrição semelhante - LB11988D |
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