ZHCSAO6G December 2012 – June 2019 UCC27531 , UCC27533 , UCC27536 , UCC27537 , UCC27538
PRODUCTION DATA.
The Enable (EN) pin of the UCC2753x has an internal pull-up resistor to an internal reference voltage so leaving Enable floating turns on the driver and allows it to send output signals properly. If desired, the Enable can also be driven by low-voltage logic to enable and disable the driver.