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RT8271 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT8271 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 15 page  RT8271 1 DS8271-02 March 2011 www.richtek.com Ordering Information Pin Configurations (TOP VIEW) MSOP-10 (Exposed Pad) Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. 2A, 24V, 1.2MHz Step-Down Converter Applications Distributive Power Systems Battery Charger DSL Modems Pre-regulator for Linear Regulators Marking Information For marking information, contact our sales representative directly or through a Richtek distributor located in your area, otherwise visit our website for detail. General Description The RT8271 is a high voltage buck converter that can support the input voltage range from 4.75V to 24V and the output current can be up to 2A. Current Mode operation provides fast transient response and eases loop stabilization. The RT8271 also provides adjustable soft- start to be a flexible solution for customers. The chip provides protection functions such as cycle-by- cycle current limiting and thermal shutdown protection. In shutdown mode, the regulator draws 22 μA of supply current. The RT8271 is available in the SOP-8 and MSOP-10 (Exposed Pad) surface mount package. Features Wide Operating Input Range : 4.75V to 24V Adjustable Output Voltage Range : 0.92V to 16V Output Current up to 2A 22 μμμμμA Low Shutdown Current Power MOSFET : 0.18 Ω Ω Ω Ω Ω High Efficiency up to 92% 1.2MHz Fixed Switching Frequency Stable with Low ESR Output Ceramic Capacitors Programmable Soft-Start Thermal Shutdown Protection Cycle-By-Cycle Over Current Protection RoHS Compliant and Halogen Free SS FB NC VIN NC EN COMP SW GND BOOT 5 6 7 8 4 3 2 10 9 GND 11 BOOT VIN SW GND SS EN FB COMP 2 3 4 5 6 7 8 SOP-8 Package Type S : SOP-8 FP : MSOP-10 (Exposed Pad) RT8271 Lead Plating System G : Green (Halogen Free and Pb Free) |
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Similar Description - RT8271 |
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