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UCC28950 / DCDC converter module for automotive

K.Yaita
Guru 29720 points
Other Parts Discussed in Thread: UCC28950-Q1, UCC28950
Hi,
 
My customer designs DCDC converter module for automotive and he wants to use UCC28950-Q1.
Could I ask you 2 questions below?
 
・Does UCC28950 start up properly in the case that lead storage battery is connected to the output? My customer assumes the condition that output voltage of UCC28950 is 10-15V and voltage of lead storage battery is 8-16V.
 
・How does UCC28950 work under the condition that output voltage of UCC28950 is lower than lead storage battery voltage?(reverse cuurent is occured, go to burst mode, etc..)
 
Your help would be appreciated.
 
Best Regards,
Yaita / Japan disty