The SC403BMLTRT is a stand-alone synchronous EcoSpeed® buck power supply which incorporates Semtech’s advanced patent-pending adaptive on-time control architecture to provide excellent light-load efficiency and fast transient response. It features integrated power MOSFETs, a bootstrap switch, and a programmable LDO in a 5x5mm package. The device is highly efficient and uses minimal PCB area.
Feature
- Power System:
- Input voltage — 3V to 28V
- Internal or external bias voltage — 3V to 5V
- Integrated bootstrap switch
- Programmable LDO output — 200mA
- 1% reference tolerance -40 to +85 °C
- EcoSpeedTM 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 mode
- Programmable soft start time
Protections:
- Over-voltage and under-voltage
- TC compensated RDS(ON) sensed current limit
- Thermal shutdown
- Any ESR — SP, POSCAP, OSCON, and ceramic capacitors
Package:
- Lead-free package — 5x5mm, 32-pin MLPQ
- Fully RoHS/WEEE compliant and halogen free
Applications
- Office automation and computing
- Networking and telecommunication equipment
- Point of load power supplies and module replacement
Packaging
- MLPQ-32
Order Codes
- SC403MLTRT - Available in tape and reel only. A reel contains 3000 devices.
- SC403EVB: SC403 Evaluation Board
