Found 4 alternatives for LM5115MTC by Rochester Electronics, LLC. Pmic Power Supply Controllers Monitors — 16-TSSOP (0.173", 4.40mm Width).
IC SECONDARY SIDE CTRLR 16TSSOP
IC SECONDARY SIDE CTRLR 16TSSOP
LM5115A 75V, SECONDARY SIDE POST
SWITCHING CONTROLLER, VOLTAGE-MO