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RT9186B-25GF Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9186B-25GF Datasheet(HTML) 1 Page - Richtek Technology Corporation |
1 / 13 page RT9186A/B 1 DS9186AB-10 August 2007 www.richtek.com Pin Configurations Low Profile 500mA LDO with Enable and Power Good/Reset Ordering Information Features l 2.5V to 5.5V Wide Input Range l Guaranteed 500mA Output Current l Low 160mV Dropout at 500mA l 1.8V/2.5V/3.3V Preset Output Voltage Version with Adjustable Range from 0.8V to 4.5V. l Reset Output with 6ms (typ.) Delay Time l Power Good Output l Low 190 µA Ground Pin Current l 0.1 µA Shutdown Current l Thermal and Over Current Protection l RoHS Compliant and 100% Lead (Pb)-Free Applications l Notebook Computer l PDAs/SHDs l PCMCIA/Cardbus Card Product l Mobile Phone 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) RT9186A RT9186B General Description The RT9186 is a low-dropout linear regulator providing up to 500mA load current with 160mV dropout. It is especially designed for the application of portable and smart handheld device. The RT9186 operates from 2.5V to 5.5V supply. The internal P-MOSFET pass transistor allows the regulator to work with 190 µA low quiescent current. Its preset output voltage version covers the most frequently used values, including 1.8V/2.5V/3.3V. Output voltage can also be adjusted via the ADJ pin for those other than the preset values. With only 0.1 µA required in the shut down mode, one enable pin is able to control output on/off. RT9186A contains PGOOD function. On the other hand, RT9186B contains RST function with 6ms (typ.) time delay. MSOP-8 VDFN-8L 3x3 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. MSOP-8 RT9186A/B Package Type F : MSOP-8 QV : VDFN-8L 3x3 (V-Type) Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) − Output Voltage Default : Adjustable 18 : 1.8V 25 : 2.5V 33 : 3.3V A : Power Good Function B : Reset Function VDFN-8L 3x3 9 7 6 5 1 2 3 4 8 VIN EN VIN VOUT VOUT ADJ GND PGOOG 9 7 6 5 1 2 3 4 8 VIN EN VIN VOUT VOUT ADJ GND RST 5 6 7 8 4 3 2 VIN VOUT VOUT ADJ GND EN PGOOD VIN VIN EN VIN 5 6 7 8 4 3 2 VOUT VOUT ADJ GND RST |
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