SI-8000SD

3 A, Buck Converter IC SI-8000SD Series Data Sheet Description SI-8000SD series are buck converter ICs whose maximum output current is 3 A. These products have various functions including the Soft Start Function, the Output On/Off Function, the Overcurrent Protection and the Thermal Shutdown, and achieve a buck converter circuit with few external components. Features ● High Efficiency 84% (SI-8050SD: VIN = 20 V, IOUT = 1 A) ● Few Components ● Downsized Choke Coil (Switching Frequency 60 kHz (typ.)) ● Fixed Output Voltage ● Soft Start Function ● On/Off Function ● Low Supply Current during Output Off ● Protection Functions Overcurrent Protections (OCP): Drooping Type, Auto-restart Thermal Shutdown (TSD): Auto-restart Typical Application Package TO263-5L Not to scale Selection Guide Part Number SI-8033SD SI-8050SD Output Voltage 3.3 V 5V Applications For the systems requiring power supplies such as: ● Audio Visual Equipment ● Office Automation Equipment (e.g., Printer) ● Onboard power supply SI-8000SD VIN SW GND VOS SS VIN 12345 L1 VOUT CIN GND C3 D1 COUT GND SI-8000SD-DSE Rev.2.1 SANKEN ELECTRIC CO., LTD. 1 Aug. 25, 2020 https://www.sanken-ele.co.jp/en © SANKEN ELECTRIC CO., LTD. 2011 SI-8000SD Contents Description ------------------------------------------------------------------------------------------------------ 1 Contents --------------------------------------------------------------------------------------------------------- 2 1. Absolute Maximum Ra...