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UCC14341-Q1: UCC14341B - minimum VIN

Part Number: UCC14341-Q1

Tool/software:

Hello, We're testing UCC14341B-Q1 (The B-version which should operate at lower input voltages according to the datasheet)

We're running it at VDD-VEE 25V (40mA load) and COM-VEE 9V (10mA load). The problem is that the device doesn't start working at 8.5V as it should according to datasheet values.

When loaded, it starts working from 10.7VIN and unloaded from 9.6VIN - With higher input voltages it works normally.

I want to ask if you observed the same behavior in this module or if you have some advice for us. 

Thank you in advance for your answers.