Hi Ralf,
c.) What I get is something between 12...15V when VBB is 15...35V WHY??
I get that result even without any external stuff only with pullup-47kOhm
The internal path activates at approximately 12V to protect the high side FET.
d.) MOST IMPORTANT QUESTION: ???? CAN I BE SURE THAT THE VOLTAGE AT OUTn WILL NEVER!! DROP BELOW 12V ????
Figure4: Pullup is connected like the most right picture
Yes, I can switch the load to GND
Pin 15 VPROPI is open in my app.
When the output is disabled, consider it a 12V zener to ground. With variations, it is possible to be slightly lower or higher across temperature. With a 47kOhm pullup to VM (and VM is >15V), the voltage at OUTn should be above 11V when the outputs are Hi-Z.
c.) What I get is something between 12...15V when VBB is 15...35V WHY??
I get that result even without any external stuff only with pullup-47kOhm
The internal path activates at approximately 12V to protect the high side FET.
d.) MOST IMPORTANT QUESTION: ???? CAN I BE SURE THAT THE VOLTAGE AT OUTn WILL NEVER!! DROP BELOW 12V ????
Figure4: Pullup is connected like the most right picture
Yes, I can switch the load to GND
Pin 15 VPROPI is open in my app.
When the output is disabled, consider it a 12V zener to ground. With variations, it is possible to be slightly lower or higher across temperature. With a 47kOhm pullup to VM (and VM is >15V), the voltage at OUTn should be above 11V when the outputs are Hi-Z.
