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ADP190CB-EVALZ Datasheet(PDF) 1 Page - Analog Devices |
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ADP190CB-EVALZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 16 page Logic Controlled, High-Side Power Switches ADP190/ADP191 Rev. D Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2009-2010 Analog Devices, Inc. All rights reserved. FEATURES Low RDSON of 105 mΩ at 1.8 V Internal output discharge resistor (ADP191) Turn-on slew rate limiting (ADP191) Low input voltage range: 1.1 V to 3.6 V 500 mA continuous operating current Built-in level shift for control logic that can be operated by 1.2 V logic Low 2 μA (maximum) ground current Ultralow shutdown current: <1 μA Ultrasmall 0.8 mm × 0.8 mm, 4-ball, 0.4 mm pitch WLCSP APPLICATIONS Mobile phones Digital cameras and audio devices Portable and battery-powered equipment TYPICAL APPLICATIONS CIRCUIT GND EN + – LOAD VIN VOUT ADP190 LEVEL SHIFT AND SLEW RATE CONTROL OFF ON Figure 1. GND EN + – LOAD VIN VOUT ADP191 LEVEL SHIFT AND SLEW RATE CONTROL AND LOAD DISCHARGE OFF ON Figure 2. GENERAL DESCRIPTION The ADP190/ADP191 are high-side load switches designed for operation from 1.1 V to 3.6 V. These load switchs provide power domain isolation for extended power battery life. The devices contain a low on-resistance P-channel MOSFET that supports more than 500 mA of continuous current and minimizes power loss. The low 2 μA (maximum) of ground current and ultralow shutdown current make the ADP190/ADP191 ideal for battery- operated portable equipment. The built-in level shifter for enable logic makes the ADP190/ADP191 compatible with modern processors and GPIO controllers. The ADP191 controls the turn-on slew rate of the switch to reduce the input inrush current. The ADP191 also incorporates an internal output discharge resistor to discharge the output capacitance when the ADP191 output is disabled. Beyond operating performance, the ADP190/ADP191 occupy minimal printed circuit board (PCB) space with an area less than 0.64 mm2 and a height of 0.60 mm. It is available in an ultrasmall 0.8 mm × 0.8 mm, 4-ball, 0.4 mm pitch WLCSP. |
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