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
- Over-voltage/under-voltage
- TC compensated RDS(ON) sensed current limit
- Thermal shutdown
Output capacitor types
- High ESR — SP, POSCAP, OSCON
- Ceramic capacitors
- 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
- MLPQ-32 5x5mm
Order Codes
- SC417MLTRC
- SC417EVB: SC417 Evaluation Board
