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GRM32ER71C226M Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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GRM32ER71C226M Datasheet(HTML) 1 Page - Richtek Technology Corporation |
1 / 15 page RT8284N ® DS8284N-03 May 2012 www.richtek.com 1 © Copyright 2012 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Ordering Information Pin Configurations (TOP VIEW) 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 RT8284N 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 RT8284N'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 RT8284N also provides under voltage protection and thermal shutdown protection. The low current (< 3 μA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems. The RT8284N 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 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) 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 Package Type S : SOP-8 SP: SOP-8 (Exposed Pad-Option 1) RT8284N Lead Plating System G : Green (Halogen Free and Pb Free) Marking Information RT8284NGS : Product Number YMDNN : Date Code RT8284NGSP : Product Number YMDNN : Date Code RT8284N GSPYMDNN RT8284N GSYMDNN RT8284NGS RT8284NGSP |
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