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RS6511-ADSEP Datasheet(PDF) 1 Page - Orister Corporation |
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RS6511-ADSEP Datasheet(HTML) 1 Page - Orister Corporation |
1 / 10 page Page No. : 1/10 DS‐RS6511‐07 February, 2010 www.Orister.com RS6511 3A, 20V, 400KHz DC/DC Asynchronous Step‐Down Converter General Description The RS6511 is a high‐efficiency asynchronous step‐down DC/DC converter that can deliver up to 3A output current from 4.75V to 20V input supply. The RS6511's current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors. Cycle‐by‐cycle current limit provides protection against shorted outputs and thermal shutdown protection. The RS6511 also provides output under voltage protection and thermal shutdown protection. The low current (<30μA) shutdown mode provides output disconnection, enabling easy power management in battery‐powered systems. Features Applications ● 3A Output Current ● Up to 93% Efficiency ● Integrated 100mΩ Power MOSFET Switches ● Fixed 400KHz Frequency ● Cycle‐by‐Cycle Over Current Protection ● Thermal Shutdown function ● Wide 4.75V to 20V Operating Input Range ● Output Adjustable from 1.23V to 18V ● Programmable Under Voltage Lockout ● Available in an SOP‐8 with Exposed Pad Package ● RoHS Compliant and 100% Lead (Pb)‐Free and Green (Halogen Free with Commercial Standard) ● PC Motherboard, Graphic Card ● LCD Monitor ● Set‐Top Boxes ● DVD‐Video Player ● Telecom Equipment ● ADSL Modem ● Printer and other Peripheral Equipment ● Microprocessor core supply ● Networking power supply ● Pre‐Regulator for Linear Regulators ● Green Electronics/Appliances Application Circuits OUTPUT ON INPUT C2 22uF/6.3V U1 RS6511‐ADSE 2 3 8 5 4 7 6 IN SW NC FB GND EN COMP C5 10nF L1 15uH C1 10uF/35V D1 B340A R1 16.9KΩ 1% C6 (Optional) R3 5.6KΩ R2 10KΩ 1% C3 8.2nF OFF 4.75V to 21V 3.3V/3A CERAMIC x2 CERAMIC x2 This integrated circuit can be damaged by ESD. Orister Corporation recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. |
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