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LM4132: LM4132AMF-2.5/NOPB

Part Number: LM4132

Using the 2.5V reference the output is 2.85V (14% error) with 5.05Vinput and Cin=Cout and 20k Ohms load. If I remove the 20k Ohm load the Vref output measures 4.4V. The EN pin is pulled up to Vin through a zero Ohm jumper. What is the issue?

Kind regards,

Joe