I use the viper06HS to generate +3.3V. i follow the reference design provided by eDesignSuite.When i turn on my system. the viper06HS provide 1.24V do you idea?I attach my schematic
I have modify my first schematic to generate +4V with VIPER06. I have changed the value R2 by 100K and i have add a resistor of 470K to D4.1 and now it is works.thanks for your help