SLUS224G September 1994 – July 2022 UC1842A , UC1843A , UC1844A , UC1845A , UC2842A , UC2843A , UC2844A , UC2845A , UC3842A , UC3843A , UC3844A , UC3845A
PRODUCTION DATA
During system start-up, VCC voltage starts to rise from 0. Before the VCC voltage reaches its corresponding start threshold, the IC is operating in UVLO mode. After the UVLO turn start-up threshold is met the device will become active and the reference will come up to 5 V.