SC403中文资料6A EcoSpeed® Integrated FET Regulator with Programmable LDO数据手册Semtech规格书

描述 Description

The SC403 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.

特性 Features

·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

应用 Application

·Office automation and computing
·Networking and telecommunication equipment
·Point of load power supplies and module replacement