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RT9185BGS Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9185BGS Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 14 page  RT9185 1 DS9185-11 March 2007 www.richtek.com Features Fixed Output Voltages : 3.35V at 1.5A, 2.55V at 0.8A and 1.5V or 1.8V at 0.3A Low Quiescent Current (Typically 0.4mA) Operating Voltage Ranges : 3.5V to 5.5V Ultra-Fast Transient Response Tight Load and Line Regulation Current Limiting Protection Thermal Shutdown Protection Only Low-ESR Ceramic Capacitors Required for Stability Custom Voltage Available RoHS Compliant and 100% Lead (Pb)-Free Pin Configurations Applications Mother-board Power Supply CD/DVD-ROM, CD/RW XDSL Router IA Equipments Cable Modems Triple, Ultra-Fast CMOS LDO Regulator Ordering Information General Description The RT9185 series are efficient, precise triple-channel CMOS LDO regulators specifically designed for mother- board application. The device is intended to powering the standby voltage in which 3.3V_PCI, 2.5V_Clock and 1.8V_ICH2 or 1.5V_ICH4 core voltage of the PC based computer system. Moreover, it is also optimized for CD/ DVD-ROM, CD/RW, XDSL Router or IA equipments applications. The regulator outputs are capable of sourcing 1.5A, 0.8A and 0.3A of output current respectively. The RT9185 also works with low-ESR ceramic capacitors, reducing the amount of board space necessary for power applications. The other features include faster transient response, low dropout voltage, high output accuracy, current limiting and thermal shutdown protections. The RT9185 regulators are available in fused SOP-8, 5-lead TO-252 and 5-lead TO-263 packages. (TOP VIEW) TO-252-5 SOP-8 TO-263-5 VOUT1 VDD VOUT2 VOUT3 GND GND GND GND 2 3 4 5 6 7 8 2 3 4 5 VOUT1 VDD GND (TAB) VOUT3 VOUT2 4 2 3 5 VOUT1 VDD GND (TAB) VOUT2 VOUT3 Note : RichTek Pb-free and Green 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. 100%matte tin (Sn) plating. RT9185 Package Type S : SOP-8 L5 : TO-252-5 M5 : TO-263-5 Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) VOUT3 A : 1.8V B : 1.5V Other voltage versions please contact RichTek for detail. |
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