SC508

SC508/SC508A POWER MANAGEMENT EcoSpeed® DC-DC Buck Controller with Integrated LDO Features Description  Power system Input voltage — 4.5V to 46V Output voltage — 0.6V to >85% x VIN Integrated bootstrap switch Fixed 5V LDO output — 200mA 1% reference Selectable internal/external bias power supply EcoSpeed® architecture with pseudo-fixed fre- quency adaptive on-time control The SC508/SC508A is a synchronous EcoSpeed® buck regulator which incorporates Semtech’s advanced, patented adaptive on-time control architecture to provide excellent light-load efficiency and fast transient response. It features an integrated bootstrap switch and a fixed 5V LDO in a 3 x 3(mm) package. The device is highly efficient and uses minimal PCB area. The SC508A is available for automotive applications and is qualified to AEC-Q100.  Logic input and output control Independent control EN for LDO and switcher Programmable soft-start time PPorowgera...