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LB11683H Datasheet(PDF) 5 Page - ON Semiconductor |
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LB11683H Datasheet(HTML) 5 Page - ON Semiconductor |
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5 / 7 page  LB11683H No. A0954-5/7 Pin Functions Pin No. Symbol Description Pin Voltage Equivalent Circuit 1 UOUT 28 VOUT 27 WOUT 3-phase motor driver output 3 RF Minimum potential of 3-phase motor driver output transistor. Constant current control is made through detection of this voltage. The current limiter also functions by detecting this potential. 1 27 20 μA 28 30k Ω 3.9k Ω 3.9k Ω 30k Ω 3 10k Ω 21 20 19 VCC 22 VCC Power supply 8 to 13.8V 26 MCOM Motor coil neutral point input pin. The coil voltage waveform is detected with reference to this voltage. 21 UIN 20 VIN 19 WIN Coil waveform detection comparator input pin. This pin is connected to each phase output through the internal 10k Ω resistor. 21 20 19 200 Ω 27 28 1 200 Ω 26 200 Ω VCC 18 C1 17 C2 Triangular wave generating capacitor connection pin. This triangular wave performs soft-switching of the coil output waveforms. 18 17 1k Ω VREG 1/2VREG-VF VCC 2S 15 μA15μA5μA 16 CX In the VCO circuit, the operation frequency range and minimum operation frequency are determined by means of the capacitor value connected this pin and ground. 16 300 Ω VREG VCC 100 μA 15 VCOIN VCO circuit voltage input pin. The PCOUT pin voltage is input via CR filter. 15 50k Ω VREG VCC 50 μA 50 μA 10k Ω 1.75V Continued on next page. |
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