Sanken 8050SD
SI-08050SD
FEATURES
● Surface-mount package (TO263-5)● Output current: 3.0A Surface Mount, Separate Excitation Step-down Switching Mode Regulator ICs
●Lineup Part Number VO (V) IO (A) SI-8033SD 3.3 3 SI-8050SD 5.0
● High efficiency: 79% typ. (SI-8033SD), 84% typ. (SI-8050SD)
● Requires only 4 discrete external components
● Internally-adjusted phase correction and output voltage
● Built-in reference oscillator (60kHz)
● Built-in overcurrent and thermal protection circuits
● Output ON/OFF available
● Soft start available by S.S pin
●
ABSOLUTE MAXIMUM RATINGS
Parameter DC Input Voltage Power Dissipation*2 Junction Temperature Storage Temperature Thermal Resistance (Junction to Case) Thermal Resistance (Junction to Ambient Air) Symbol VIN PD Tj Tstg Ratings 43*1 3 +125 –40 to +125 3 33.3 Unit V W °C °C °C/W °C/W When mounted on glass-epoxy board 40 × 40 mm (copper area: 100%) When mounted on glass-epoxy board 40 × 40 mm (copper area: 100%) Conditions θ j-c θ j-a●
APPLICATIONS
● Power supplies for telecommunication equipment● Onboard local power supplies *1: 35V for SI-8033SD *2: Limited by thermal protection circuit.