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SI-8033JF 데이터시트(PDF) 1 Page - Sanken electric |
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SI-8033JF 데이터시트(HTML) 1 Page - Sanken electric |
1 / 2 page 34 ICs 1-1-3 DC/DC Converter ICs *5: Pin 5 is the ON/OFF 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. ON/OFF-pin voltage can be changed with an open-collec- tor 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 ON/OFF pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited. If this pin is not used, leave it open. *1: Reference voltage for SI-8015JF *3: Temperature Coefficient of Reference Voltage for SI-8015JF *2: VREF for SI-8015JF *4: ∆VREF/∆Ta for SI-8015JF SI-8000JF SI-8000JF ON/OFF 5 ON/OFF 5 ON/OFF C3 C3 5 VOUT. ON/OFF Soft start Soft start +VOUT. ON/OFF SI-8000JF ■Lineup Part Number SI-8015JF SI-8033JF SI-8050JF SI-8120JF VO (V)* 1.59 3.3 5.0 12.0 IO (A) 1.5 ■Absolute Maximum Ratings Unit V W W °C °C °C/W Ratings 43 16.6 (with infinite heatsink) 1.5 (without heatsink, standalone operation) +125 –40 to +125 6.0 Symbol VIN PD1 PD2 Tj Tstg θj-c Parameter DC Input Voltage Power Dissipation Junction Temperature Storage Temperature Thermal Resistance (Junction to Case) ■Recommended Operating Conditions Parameter DC Input Voltage Range Output Current Range Operating Junction Temperature Range Symbol VIN1 VIN2 IO Tjop Unit V V A °C Ratings SI-8015JF* SI-8033JF SI-8050JF SI-8120JF VO+2 to 40 5.3 to 40 7 to 40 14 to 40 VO+3 to 40 6.3 to 40 8 to 40 15 to 40 0 to 1.5 –30 to +125 ■Features • Compact full-mold package (equivalent to TO220) • Output current: 1.5A • High efficiency: 67 to 88% • Requires only 4 discrete components • Internally-adjusted phase correction and output voltage • Capable of downsize a choke-coil due to IC's high switching frequency (125kHz). (Compared with conventional Sanken devices) • Built-in foldback-overcurrent and thermal protection circuits • Output ON/OFF available (circuit current at output OFF: 200µA max.) • Soft start available by ON/OFF pin * SI-8015JF is a variable output voltage type. The variable output voltage range is from 2.5 V to 24 V. ■Electrical Characteristics (Ta=25°C) Conditions IO=0 to 1A IO=0 to 1.5A VIN≥VO+3V Full-Mold, Separate Excitation Step-down Switching Mode SI-8000JF Series ■Applications • Power supplies for telecommunication equipment • Onboard local power supplies * VREF(V) for SI-8015JF Unit V % kHZ mV mV mV/ °C A V µA mA µA Parameter Output Voltage*1 Efficiency Oscillation Frequency Line Regulation Load Regulation Overcurrent Protection Starting Current ON/OFF*5 Low Level Voltage Terminal Outflow Current at Low Voltage Quiescent Circuit Current Symbol VO*2 Conditions η Conditions f Conditions ∆VOLINE Conditions ∆VOLOAD Conditions ∆VO/∆Ta*4 IS1 Conditions VSSL ISSL Conditions Iq Conditions Iq(OFF) Conditions Ratings SI-8015JF SI-8033JF SI-8050JF SI-8120JF min. typ. max. min. typ. max. min. typ. max. min. typ. max. 1.558 1.59 1.622 3.234 3.30 3.366 4.90 5.00 5.10 11.76 12.00 12.24 VIN=12V, IO=0.5A VIN=15V, IO=0.5A VIN=20V, IO=0.5A VIN=24V, IO=0.5A 67 77 82 88 VIN=12V, IO=0.5A VIN=15V, IO=0.5A VIN=20V, IO=0.5A VIN=24V, IO=0.5A 125 125 125 125 VIN=12V, IO=0.5A VIN=15V, IO=0.5A VIN=20V, IO=0.5A VIN=24V, IO=0.5A 25 80 25 80 40 100 60 130 VIN=8 to 30V, IO=0.5A VIN=8 to 30V, IO=1.0A VIN=10 to 30V, IO=1.0A VIN=18 to 30V, IO=1.0A 10 30 10 30 10 40 10 40 VIN=12V, IO=0.2 to 0.8A VIN=15V, IO=0.5 to1.5A VIN=20V, IO=0.5 to 1.5A VIN=24V, IO=0.5 to 1.5A ±0.5 ±0.5 ±0.5 ±1.0 1.6 1.6 1.6 1.6 VIN=12V VIN=15V VIN=20V VIN=24V 0.5 0.5 0.5 0.5 100 100 100 100 VSSL=0V VSSL=0V VSSL=0V VSSL=0V 77 7 7 VIN=12V, IO=0A VIN=15V, IO=0A VIN=20V, IO=0A VIN=24V, IO=0A 200 200 200 200 VIN=12V, VON/OFF=0.3V VIN=15V, VON/OFF=0.3V VIN=20V, VON/OFF=0.3V VIN=24V, VON/OFF=0.3V Temperature Coefficient of Output Voltage*3 |
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