PT4711A [Rochester]

The PT4711 is a 45-watt DC/DC converter that produces two independently regulated output voltages from a -48V telecom supply. It features flexible on/off control, input under-voltage lockout, over-temperature protection, short-circuit protection, and internal power-up sequencing. The module requires no heat sink and occupies as little as 1.2 in² of PCB area, with options for vertical, horizontal, or surface-mount packaging.