SNVSB87 November 2018 LM3880-Q1
The Simple Power Supply Sequencer is used to implement a power-up and power-down sequence of three power supplies.
Sequence 1 for the LM3880-Q1, e.g. orderable part number LM3880-Q1MF-1AA has a power-up sequence (1 – 2 – 3) and power-down sequence (3 – 2 –1). See Table 3 and Table 4 for other sequence options or contact TI if other sequence options are desired.