SI-8000FD

1-1-3 DC/DC Converter ICs SI-8000FD Series Surface Mount, Separate Excitation Step-down Switching Mode ■Features Surface-mount package (TO263-5) Output current: 3.5 A High efficiency: 83% (Vo = 5 V, VIN = 15 V, Io = 2 A) Requires only 6 discrete components Built-in reference oscillator (300 kHz) Built-in drooping-type overcurrent and thermal protection circuits Built-in soft start circuit (Output ON/OFF available) - SI-8001FDE Built-in on/off function (active Low) - SI-8001FDL Low current consumption during off - SI-8001FDL ■Applications DVD recorder, FPD-TV OA equipment, such as printers Onboard local power supplies ■Lineup Part Number VO(V) IO(A) Function SI-8001FDE Soft start Variable(0.8 to 24) 3.5 SI-8001FDL ON/OFF ■Absolute Maximum Ratings Parameter Ratings Symbol SI-8001FDE SI-8001FDL Unit Conditions Input Voltage ON/OFF Control Voltage Power Dissipation*1 Junction Temperature*2 Storage Temperature Thermal Resistance (Junction to Case) Thermal Resistance (Junction to Ambient Air) VIN Vc PD Tj Tstg θj-c θj-a 43 – VIN 3 +150 –40 to +150 3*1 33.3*1 V V W °C °C °C/W °C/W When mounted on glass-epoxy board measuring 40×40 mm (copper laminate area: 100%) When mounted on glass-epoxy board measuring 40×40 mm (copper laminate area: 100%) When mounted on glass-epoxy board measuring 40×40 mm (copper laminate area: 100%) *1 : Limited by thermal protection circuit *2 : This product has built-in thermal protection circuits that may activate wh...