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GRM31CR61E106K Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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GRM31CR61E106K Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 15 page  RT8284 1 DS8284-01 March 2011 www.richtek.com Ordering Information 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, 23V, 340kHz Synchronous Step-Down Converter General Description The RT8284 is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8284'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 soft-start eliminates input current surge during start- up. The RT8284 also provides under voltage protection and thermal shutdown protection. The low current (< 3 μA) shutdown mode provides output disconnect, enabling easy power management in battery powered systems. The RT8284 is a available in a SOP-8 and SOP-8 (Exposed Pad) package. Features ±±±±±1.5% High Accuracy Feedback Voltage Input Voltage Range : 4.5V to 23V 2A Output Current Integrated N-MOSFETs Current Mode Control 340kHz Fixed Frequency Operation Output Adjustable Voltage Range : 0.923V to 20V Efficiency Up to 95% Programmable Soft-Start Stable with Low ESR Ceramic Output Capacitors Cycle-by-Cycle Over Current Protection Input Under Voltage Lockout Output Under Voltage Protection Thermal Shutdown Protection RoHS Compliant and Halogen Free Applications Wireless AP/Router Set-Top-Box Industrial and Commercial Low Power Systems LCD Monitors and TVs Green Electronics/Appliances Point of Load Regulation of High-Performance DSPs Pin Configurations (TOP VIEW) SOP-8 BOOT VIN SW GND SS EN FB COMP 2 3 4 5 6 7 8 BOOT VIN SW GND SS EN FB COMP GND 2 3 4 5 6 7 8 9 SOP-8 (Exposed Pad) Marking Information RT8284 GSYMDNN RT8284GS : Product Number YMDNN : Date Code RT8284 GSPYMDNN RT8284GSP : Product Number YMDNN : Date Code Package Type S : SOP-8 SP: SOP-8(Exposed Pad-Option 1) RT8284 Lead Plating System G : Green (Halogen Free and Pb Free) RT8284GS RT8284GSP |
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