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Original question:

UCC27211: HO Is going low even though HI is High

UCC27211: If the both inputs are H then output LO and HO should be Low?

anil kumar yarlagadda
Prodigy 50 points
Part Number: UCC27211
Other Parts Discussed in Thread: UCC27301A

Tool/software:

Dearn TI Team,

1) The table 6.2 shows output HO and LO pins are High, if both the inputs are High. 

2) section 5.1, the HS DC minimum voltage is mentioned -1V, is it correct or -10V.

please give the clarification, Is it correct or printing mistake.

  • 0
    TI__Expert 6105 points

    Hi Anil,

    1. Yes, both outputs are high when both inputs are high. This device does not have cross-conduction protection (interlock), but if you would like a device with interlock, then we recommend the UCC27301A.

    2. Yes, -1V is the absolute minimum the HS pin can handle at DC.

    Thanks,
    Rubas