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UCD9224 Controller + UCD74120 Driver fails regulation

Other Parts Discussed in Thread: UCD74120, UCD9224

Hi E2E, 

I'm using the UCD9224 Controller in combination with the UCD74120 Driver. 

The problem I'm facing is that the voltage is being regulated for a short time (5 seconds best case, immediately turns off worst case)  as the following image shows

The conditions when its regulating are the following ones (It starts regulating with faults already present): 

When it stops regulating, the following conditions arises 

The configurations are the following ones 

Source.zip

The problem is with the 1.8V, 1.2V runs OK. For the moment, dependencies on 1.8V are off. 

Any guess ? The PS provides enough current 

Thanks !