SLUU224A May 2005 – March 2022 TPS40100
The EVM is equipped with an enable/disable switch. Please see Section 5.3.4. Closing S1 will disable the device by pulling the UVLO pin of the TPS40100 low. Opening the S1 will enable the device, provided that the appropriate input voltage is present. J3 pin 4 is an enable monitor pin that provides a connection for user observation.