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SI-8000FFE 数据表(PDF) 1 Page - Sanken electric |
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SI-8000FFE 数据表(HTML) 1 Page - Sanken electric |
1 / 2 page 50 ICs 1-1-3 DC/DC Converter ICs Parameter Reference Voltage Temperature Coefficient of Reference Voltage Efficiency Oscillation Frequency Line Regulation Load Regulation Overcurrent Protection Starting Current Low Level Voltage SS Pin Outflow Current at Low Voltage Quiescent Circuit Current ■Features • Compact full-mold package (equivalent to TO220) • 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) ■Applications • DVD recorder, FPD-TV • OA equipment, such as printers • Onboard local power supplies ■Lineup Part Number Vo (V) Io (A) Function SI-8001FFE Variable (0.8 to 24) 3.5 Soft start Unit V W W °C °C °C/W °C/W Symbol VIN PD1-1 PD1-2 PD2-1 PD2-2 Tj Tstg θj-c θj-a Parameter Input Voltage Power Dissipation (With infinite heatsink) Power Dissipation (Without heatsink) Junction Temperature*1 Storage Temperature Thermal Resistance (Junction to Case) Thermal Resistance (Junction to Ambient Air) ■Absolute Maximum Ratings Conditions Limited by thermal protection circuit, Tj=150°C Tj=125°C Limited by thermal protection circuit, Tjmax=150°C Tj=125°C ■Recommended Operating Conditions *: The minimum value of the input voltage range is 4.5 V or Vo +3 V, whichever is higher. Parameter Input Voltage Range Output Voltage Range Output Current Range Operating Junction Temperature Range Operating Temperature Range Symbol VIN VO IO Tjop Top Unit V V A °C °C Ratings SI-8001FFE Vo+3*1 to 40 0.8 to 24 0 to 3.5 –30 to +125 –30 to +85 *: This product has built-in thermal protection circuits that may activate when the junction temperature exceeds 130°C. The recommended design for the junction temperature during IC operation is below 125°C. Ratings SI-8001FFE 43 22.7 18.2 2.15 1.72 +150 –40 to +150 5.5 58 Symbol VADJ Conditions ∆VADJ/∆T Conditions η Conditions fo Conditions ∆VOLINE Conditions ∆VOLOAD Conditions IS Conditions VSSL ISSL Conditions Iq Conditions Iq(OFF) Conditions ■Electrical Characteristics Unit V mV/ °C % kHz mV mV A V µA mA µA (R1=4.2kΩ, R2=0.8kΩ when Ta=25°C and Vo=5V) Ratings SI-8001FFE min. typ. max. 0.784 0.800 0.816 VIN=15V, Io=0.2A ±0.1 VIN=15V, Io=0.2A, Tc=0 to 100°C 83 VIN=15V, Io=2A 270 300 330 VIN=15V, Io=2A 55 80 VIN=10 to 30V, Io=2A 15 50 VIN=15V, Io=0.2 to 3.5A 3.6 VIN=15V 0.5 630 VIN=15V, VSS=0V 6 VIN=15V, Io=0A 200 600 VIN=15V, Vss=0V *: Pin 5 is the SS 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 by setting the voltage of this pin to VSSL or lower. SS-pin voltage can be changed with an open-collector drive circuit of a transistor. When using both the soft-start and ON/OFF functions together, the discharge current from C3 flows into the ON/ OFF control transistor. Therefore, limit the current securely to protect the transistor if C3 capacitance is large. The SS pin is pulled up (3.7 V typ.) to the power supply in the IC, so applying the external voltage is prohibited. If this pin is not used, leave it open. SI-8000FFE SI-8000FFE SS 5SS 5SS C3 C3 5 VO.ON/OFF Soft start Soft start +Vo. ON/OFF SI-8000FFE Full-Mold, Separate Excitation Step-down Switching Mode SI-8000FFE Series |
类似零件编号 - SI-8000FFE |
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类似说明 - SI-8000FFE |
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