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ADM7171 Probelm

Question asked by arunverma on Oct 28, 2015
Latest reply on Oct 29, 2015 by hyao



We are using ADM7171 adjustable regulator from 5.5V (input) to 5.0 Volts (Output). Recently we got a new batch of IC's and all the IC's are not regulating the output. Suppose we give 5.0 Volt input it gives output of 5.0 - VDO(dropout Voltage) but output keep on increasing as we increase the input and it is not clipping to 5.0Volts. Last time we used the same IC's (Old batch) and we never found any problem. One more thing we noticed that when there no load, these IC's are working fine but whenever we give some load (300-500mA), these are not working as expected. Any comments or suggestions?



Arun Verma