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ADP190

Analog Devices
Part Number ADP190
Manufacturer Analog Devices
Description High-Side Power Switch
Published Jul 25, 2009
Detailed Description Data Sheet FEATURES Low RDSON of 105 mΩ at 1.8 V Internal output discharge resistor (ADP191) Turn-on slew rate limiting ...
Datasheet PDF File ADP190 PDF File

ADP190
ADP190

Overview
Data Sheet 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 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 batteryoperated portable equipment.
The built-in level shifter for enable logic makes the ADP190/ADP191 compatible with modern processors and GPIO controllers.
Logic Controlled, High-Side Power Switches ADP190/ADP191 TYPICAL APPLICATIONS CIRCUIT VIN + GND – ADP190 ON EN OFF LEVEL SHIFT AND SLEW RATE CONTROL VOUT LOAD 07874-001 Figure 1.
VIN + GND – ON EN OFF ADP191 LEVEL SHIFT AND SLEW RATE CONTROL AND LOAD DISCHARGE Figure 2.
VOUT LOAD 07874-102 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.
Rev.
E Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility...


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