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RT9722 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT9722 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 14 page  RT9722 1 DS9722-00 August 2011 www.richtek.com 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. Ordering Information Pin Configurations (TOP VIEW) WDFN-6L 2x2 SOT-23-5 145m Ω Ω Ω Ω Ω, 1.5A Power Switch with Programmable Current Limit General Description The RT9722 is a cost effective, low voltage, single P-MOSFET high side power switch IC. Typical 145m Ω switch on resistance and 10 μA quiescent current are realized in this IC. In order to fit different application, a SET pin is offered for current limit point setting, a resistor from SET to Ground sets the current limit for this switch. In addition, the RT9722 integrates a thermal shutdown circuit and under voltage lockout circuit for overall protection, and a FLAG output with delay is available to indicate fault conditions to the local controller. The RT9722 is an ideal solution for high side power load switch and can support flexible applications since it is available in various package such as WDFN-6L 2x2, SOT-23-5 and SOT-23-6. Features Programmable Current Limit : 0.2A to 1.5A Low Quiescent Current : 10 μμμμμA Low Shutdown Current : 0.1 μμμμμA 145m Ω Ω Ω Ω Ω Switch On Resistance Operating Voltage Range : 2.4V to 5.5V Under Voltage Lockout Thermal Shutdown Protection RoHS Compliant and Halogen Free Applications HandheldDevices Hot Swap Supplies Notebooks Peripheral Ports Personal Communication Devices VOUT GND SET VIN 4 23 5 EN/EN VOUT GND SET VIN 4 23 5 6 EN/EN FLG SET VIN NC VOUT 5 4 1 2 3 6 7 FLG EN/EN SOT-23-6 RT9722 Package Type B : SOT-23-5 E : SOT-23-6 QW : WDFN-6L 2x2 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) EN Function A : Active High B : Active Low |
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