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SI-8000S Dataheets PDF



Part Number SI-8000S
Manufacturers ETC
Logo ETC
Description Separate Excitation Step-down Switching Mode
Datasheet SI-8000S DatasheetSI-8000S Datasheet (PDF)

1-1-3 DC/DC Converter ICs SI-8000S Series Full-Mold, Separate Excitation Step-down Switching Mode ■Features • Compact full-mold package (equivalent to TO220) • Output current: 3.0A • High efficiency: 79 to 91% • Requires only 4 discrete components • Internally-adjusted phase correction and output voltage • Built-in reference oscillator (60kHz) • Built-in overcurrent and thermal protection circuits • Built-in soft start circuit (Output ON/OFF available) ■Lineup Part Number VO(V) IO(A) SI-8033.

  SI-8000S   SI-8000S



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1-1-3 DC/DC Converter ICs SI-8000S Series Full-Mold, Separate Excitation Step-down Switching Mode ■Features • Compact full-mold package (equivalent to TO220) • Output current: 3.0A • High efficiency: 79 to 91% • Requires only 4 discrete components • Internally-adjusted phase correction and output voltage • Built-in reference oscillator (60kHz) • Built-in overcurrent and thermal protection circuits • Built-in soft start circuit (Output ON/OFF available) ■Lineup Part Number VO(V) IO(A) SI-8033S 3.3 SI-8050S 5.0 SI-8090S 9.0 3.0 SI-8120S 12.0 ■Absolute Maximum Ratings Parameter DC Input Voltage Power Dissipation Junction Temperature Storage Temperature SW Terminal Applied Reverse Voltage Thermal Resistance(junction to case) Symbol VIN PD1 PD2 Tj Tstg VSW θ j-c *35V for SI-8033S Ratings 43* 18(With infinite heatsink) 1.5(Without heatsink, stand-alone operation) +125 –40 to +125 –1 5.5 ■Applications • Power supplies for telecommunication equipment • Onboard local power supplies ■Recommended Operating Conditions Parameter DC Input Voltage Range Output Current Range Operating Junction Temperature Range Symbol VIN IO Tjop SI-8033S 5.5 to 28 SI-8050S 7 to 40 Ratings SI-8090S 12 to 40 0 to 3.0 –30 to +125 SI-8120S 15 to 40 SI-8150S 18 to 40 SI-8150S 15.0 Unit V W W °C °C V °C/W Unit V A °C ■Electrical Characteristics Parameter Output Voltage SI-8000S*1 SI-8000SS Efficiency Oscillation Frequency Line Regulation Load Regulation Temperature Coefficient of Output Voltage Symbol VO Conditions η Conditions f Conditions ∆VOLINE Conditions ∆VOLOAD Conditions SI-8033S min. typ. max. 3.17 3.30 3.43 3.234 3.30 3.366 VIN=15V, IO=1.0A 79 VIN=15V, IO=1.0A 60 VIN=15V, IO=1.0A 25 80 VIN=8 to 28V, IO=1.0A 10 30 VIN=15V, IO=0.5 to 1.5A ∆VO/∆Ta ±0.5 SI-8050S min. typ. max. 4.80 5.00 5.20 4.90 5.00 5.10 VIN=20V, IO=1.0A 84 VIN=20V, IO=1.0A 60 VIN=20V, IO=1.0A 40 100 VIN=10 to 30V, IO=1.0A 10 40 VIN=20V, IO=0.5 to 1.5A ±0.5 Ratings SI-8090S min. typ. max. 8.55 9.00 9.45 VIN=21V, IO=1.0A 88 VIN=21V, IO=1.0A 60 VIN=21V, IO=1.0A 50 120 VIN=15 to 30V, IO=1.0A 10 40 VIN=21V, IO=0.5 to 1.5A ±1.0 SI-8120S min. typ. max. 11.50 12.00 12.50 VIN=24V, IO=1.0A 90 VIN=24V, IO=1.0A 60 VIN=24V, IO=1.0A 60 130 VIN=18 to 30V, IO=1.0A 10 40 VIN=24V, IO=0.5 to 1.5A ±1.0 SI-8150S min. typ. max. 14.25 15.00 15.75 VIN=25V, IO=1.0A 91 VIN=25V, IO=1.0A 60 VIN=25V, IO=1.0A 60 130 VIN=21 to 30V, IO=1.0A 10 40 VIN=25V, IO=0.5 to 1.5A ±1.0 (Ta=25°C) Unit V % kHZ mV mV mV/ °C Overcurrent Protection Starting Current Soft Low-Level Voltage Start Pin*2 Outflow Current at Low Voltage IS1 Conditions VSSL ISSL Conditions 3.1 VIN=15V 3.1 VIN=20V 3.1 VIN=21V VSSL=0.2V 3.1 VIN=24V 3.1 VIN=25V A V µA *1:“S” may be printed to the right of the marking (except SI-8090S, SI-8120S, SI-8150S). *2:Pin 5 is a soft start pin. Soft start at power on can be performed with a capacitor connected to this pin. The output can also be turned ON/OFF with this pin. The output is stopped .


SI-8050FDL SI-8000S SI-8033S


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