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SI-8001FDE Scheda tecnica(PDF) 1 Page - Sanken electric |
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SI-8001FDE Scheda tecnica(HTML) 1 Page - Sanken electric |
1 / 9 page SANKEN ELECTRIC CO., LTD. http://www.sanken-ele.co.jp/en/ SI-8001FDE Description The SI-8001FDE DC voltage regulator is a DC-to-DC buck convertor that attains an oscillation frequency of 300 kHz, and has an integrated miniaturized choke coil, allowing it to serve as a small, high efficiency power supply in a compact TO263 package. The internal switching regulator function provides high efficiencyswitchingregulationwithoutanyneedforadjustment. The device requires only six external support components. The optional soft start function requires an additional capacitor. Optional on/off control can be performed using a transistor. The SI-8001FDE includes overcurrent and overtemperature protection circuits. Applications include: ▪ DVD recorder ▪ FPD TV ▪ Telecommunications equipment ▪ Office automation equipment, such as printers ▪ On-board local power supply ▪ Output voltage regulator for second stage of SMPS (switched mode power supply) Features and Benefits ▪ 3.5 A output current supplied in a small, surface mount power package ▪ High efficiency: 83% at VIN= 15 V, IO= 2.0 A,VO= 5 V ▪ Requires only six external components (optional soft start requires an additional capacitor) ▪ Oscillation circuit built-in (frequency 300 kHz typical) ▪ Constant-current mode overcurrent protection circuit and overtemperature protection circuit built-in ▪ Soft start function built-in (can be implemented as an on/off function; output-off state at low level) ▪ Low current consumption during output-off state DC-to-DC Step-Down Converter Functional Block Diagram Package: TO263-5 Not to scale Latch and Driver Overcurrent Protection Overtemperature Protection Reference Voltage Osc Reset Comparator Error Amplifier VIN 1 3 4 2 VOUT Di C2 C1 GND ADJ SW IN R1 R2 L1 PReg On/Off Soft Start 5 C3 SS Di SPB-G56S (Sanken) 27469.056 |
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