M81019FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M81019FP

1200V HIGH VOLTAGE HALF BRIDGE DRIVER

MITSUBISHI ELECTRIC  

MITSUBISHI SEMICONDUCTORS <HVIC>

M81019FP

1200V HIGH VOLTAGE HALF BRIDGE DRIVER

4. FO INPUT TIMING DIAGRAM

When FO is pulled down to low level in case the FO of other phases becomes low level (fault happened) or the MCU/

DSP sets FO to low level, the outputs (HOUT, LOUT) of the driver will be shut down. As soon as FO goes high again,

the output will respond to the following active input signal.

HIN

LIN

FO

HOUT

LOUT

Note1: Delay times between input and output signals are not shown in the figure above.

Note2: The minimum FO pulse width should be more than 500ns (because of FO input filter circuit).

5. LOW SIDE VCC SUPPLY POWER RESET SEQUENCE

When the VCC supply voltage is lower than power reset trip voltage, the power reset gets active and the outputs (HOUT/

LOUT) become “L”. As soon as the VCC supply voltage goes higher than the power reset trip voltage, the outputs will

respond to the following active input signals.

VCC

VPOR voltage

HIN

LIN

HOUT

LOUT

Note1: Delay times between input and output signals are not shown in the figure above.

7

Aug. 2009

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