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RT9018A15GSP Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9018A15GSP Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 12 page  RT9018A/B 1 DS9018A/B-04 September 2007 www.richtek.com Pin Configurations Maximum 3A, Ultra Low Dropout Regulator Ordering Information Features Maximum 3A Low-Dropout Voltage Regulator High Accuracy Output Voltage ±±±±±1.5% Typically 220mV Dropout at 3A Power Good Output Output Voltage Pull Low Resistance when Disable Thermal and Over Current Protection RoHS Compliant and 100% Lead (Pb)-Free Applications Front Side Bus VTT (1.2V/3A) NoteBook PC Applications Motherboard Applications 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. (TOP VIEW) WDFN-10L 3x3 General Description The RT9018A/B is a high performance positive voltage regulator designed for use in applications requiring very low Input voltage and very low dropout voltage at up to 3A(Peak). It operates with a VIN as low as 1.0V and VDD voltage 3V with output voltage programmable as low as 0.8V. The significant feature includes ultra low dropout, ideal for applications where VOUT is very close to VIN. Additionally, there is an enable pin to further reduce power dissipation while shutdown. The RT9018A/B provides excellent regulation over variations in line, load and temperature. and provides a power OK signal to indicate if the voltage level of Vo reaches 90% of its rating value. The RT9018A/B is available in the SOP-8 (Exposed Pad) and WDFN-10L 3x3 packages with 1V, 1.05V, 1.2V, 1.5V, 1.8V and 2.5V internally preset outputs that are also adjustable using external resistors. 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. SOP-8 (Exposed Pad) RT9018A/B Package Type SP : SOP-8 (Exposed Pad-Option 1) QW : WDFN-10L 3x3 Enable Pin Function A : Internal Pull High B : Internal Pull Low Output Voltage 10 : 1V/Adj 1K : 1.05V/Adj 12 : 1.2V/Adj 15 : 1.5V/Adj 18 : 1.8V/Adj 25 : 2.5V/Adj Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) VOUT VOUT PGOOD ADJ VDD VIN VIN EN VIN VOUT 9 8 7 1 2 3 4 5 10 GND 11 PGOOD EN VIN VDD GND ADJ NC VOUT GND 2 3 4 5 6 7 8 9 |
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