M81721FP Mitsumi Electronics, Corp., M81721FP Datasheet - Page 7

• Manufacturer Part Number: M81721FP
• Description: 600v High Voltage Half Bridge Driver
• Manufacturer: Mitsumi Electronics, Corp.

4. FO INPUT TIMING DIAGRAM
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 V
Note1 : Delay times between input and output signals are not shown in the figure above.
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.
When the V
LOUT) become “L”. As soon as the V
spond to the following active input signals.
HOUT
LOUT
HOUT
LOUT
V
HIN
LIN
HIN
LIN
CC
FO
CC
CC
supply voltage is lower than power reset trip voltage, the power reset gets active and the outputs (HOUT/
SUPPLY POWER RESET SEQUENCE
CC
V
POR
supply voltage goes higher than the power reset trip voltage, the outputs will re-
voltage
7
600V HIGH VOLTAGE HALF BRIDGE DRIVER
MITSUBISHI SEMICONDUCTORS <HVIC>
M81721FP
Aug. 2009