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SI-8213L Scheda tecnica(PDF) 3 Page - Sanken electric |
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SI-8213L Scheda tecnica(HTML) 3 Page - Sanken electric |
3 / 4 page 94 SI-8201L•8203L/SI-8301L SI-8211L•8213L sBlock Diagram sStandard External Circuit VIN Vref LIN L1 DI Tr1 VO GND Amp. Drive VIN Vref LIN L1 DI Tr1 Tr2 VO GND Amp. Drive VIN GND SI-8200L VIN GND LIN ++ C1 220 µF C2 470 µF GND VO VO DC Input VIN VIN NC GND SI-8300L GND GND LIN ++ C1 470 µF C2 470 µF VO VO DC Input sTa-PD Characteristics VO :Output voltage IO :Output current ηχ :Efficiency (%) The efficiency depends on the input voltage and the output current.Thus, obtain the value from the efficiency graph and substitute the percentage in the formula above. PD=VO•IO 100 –1 ηχ 1.5 1.0 0.5 0 0 25 50 75 100 Ambient Temperature Ta ( °C) SI-8201L 8203L SI-8211L 8213L sCaution 1. A low-impedance capacitor suitable for switching applications must be used for the external capacitor and must be connected as close to the IC as possible in order to assure low ripple voltage and stable switching operation. 2. The SI-8200L and 8300L series do not have a built-in overcurrent protection circuit. Thus, avoid short-circuit conditions that may cause an overcurrent. 3. The SI-8300L series may not start up if the input voltage rises too rapidly. Do not use the SI-8300L series in applications where the input terminal, pin6, is opened and closed directly in a state where the input voltage is already applied. 4. Terminals LIN and NC in the connection diagram must be left unconnected to other circuits. 5. The IC's metalic heatsink is electrically floating. Do not connect it to GND or any other circuit. 6. Since the SI-8200L and 8300L series have an open-package construction, they can only be used in specific environments. Verify the operating environment and use the IC within the conditions indicated in the reliability data. qSI-8200L/8300L Series 3.0 2.0 1.0 0 0 25 50 75 100 Ambient Temperature Ta ( °C) SI-8301L |
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