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SI-8050W Datasheet(PDF) 1 Page - Sanken electric |
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SI-8050W Datasheet(HTML) 1 Page - Sanken electric |
1 / 2 page 14 ICs 1-1-3 DC/DC Converter ICs ■Features •Surface-mount package (SOP8) • Output current: 0.6A • High efficiency: 75 to 80% • Requires only 4 discrete components • Internally-adjusted phase correction and output voltage adjustment performed internally • Built-in reference oscillator (60kHz) • Built-in overcurrent and thermal protection circuits ■Electrical Characteristics (Ta=25°C) Unit V % kHZ mV mV mV/ °C dB A Parameter Output Voltage Efficiency Oscillation Frequency Line Regulation Load Regulation Temperature Coefficient of Output Voltage Ripple Rejection Overcurrent Protection Starting Current Symbol VO Conditions η Conditions f Conditions ∆VOLINE Conditions ∆VOLOAD Conditions ∆VO/∆Ta RREJ Conditions IS1 Conditions ■Absolute Maximum Ratings Unit V W °C °C °C/W °C/W Ratings 35 1 –30 to +125 –40 to +125 22 100 Symbol VIN PD Tj Tstg θj-L θj-a Parameter DC Input Voltage Power Dissipation Junction Temperature Storage Temperature Thermal Resistance (Junction to 7-Pin Lead) Thermal Resistance (Junction to Ambient Air)*1 ■Recommended Operating Conditions Parameter DC Input Voltage Range Output Current Range Operating Junction Temperature Range Symbol VIN IO Tjop Unit V A °C Ratings SI-8033W SI-8050W 5.3 to 28 7 to 33 0 to 0.6 –30 to +125 *1: Glass-epoxy board of 40 × 40mm (copper laminate area 4.3%) Ratings SI-8033W SI-8050W min. typ. max. min. typ. max. 3.17 3.30 3.43 4.80 5.00 5.20 VIN=15V, IO=0.3A VIN=20V, IO=0.3A 75 80 VIN=15V, IO=0.3A VIN=20V, IO=0.3A 60 60 VIN=15V, IO=0.3A VIN=20V, IO=0.3A 60 80 80 100 VIN=8 to 28V, IO=0.3A VIN=10 to 30V, IO=0.3A 20 30 30 40 VIN=15V, IO=0.1 to 0.4A VIN=20V, IO=0.1 to 0.4A ±0.5 ±0.5 45 45 f=100 to 120HZ f=100 to 120HZ 0.61 0.61 VIN=15V VIN=20V Surface-Mount, Separate Excitation Step-down Switching Mode SI-8000W Series ■Applications • Power supplies for telecommunication equipment • Onboard local power supplies |
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