The SC417/SC427 is a stand-alone 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.
For selectable regular power-save see SC427 product page.
Feature
Power system:
Input voltage — 3V to 28V
Integrated bootstrap switch
Programmable LDO output — 200mA
1% reference tolerance -40 to +85 °C
Selectable internal/external bias power supply
EcoSpeed™ architecture with pseudo-fixed frequency adaptive on-time control
Logic input/output control
Independent control EN for LDO and switcher
Programmable VIN UVLO threshold
Power good output
Selectable ultrasonic/power save methods
Protections
Output capacitor types
Package — 5x5mm, 32-pin MLPQ
Lead-free and halogen free
RoHS and WEEE compliant
Applications
Office automation and computing
Networking and telecommunication equipment
Point-of-load power supplies and module replacement.
Packaging
Order Codes