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.
T...