LT3435 - High Voltage 3A, 500kHz Step-Down Switching Regulator with 100µA Quiescent Current; Package: TSSOP; Pins: 16; Temperature Range: -40°C to 85°C
IC REG BUCK ADJ 3A 16TSSOP
Adjustable 54V 3A DC/DC Controller, SOP Package, -40°C to 125°C