Datasheet > ADP190

ADP190

更新时间： 2022-05-24 15:47:18

品牌	Logo	应用领域
亚德诺 - ADI		开关电源开关
页数	文件大小	规格书
16页	642K
描述
Logic Controlled, High-Side Power Switches

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ADP190 数据手册

Logic Controlled,

High-Side Power Switches

ADP190/ADP191

FEATURES

TYPICAL APPLICATIONS CIRCUIT

Low RDS_ONof 105 mΩ at 1.8 V

ADP190

VIN

VOUT

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

–

GND

LOAD

LEVEL SHIFT

AND SLEW

RATE CONTROL

OFF

Low 2 μA (maximum) ground current

Ultralow shutdown current: <1 μA

Figure 1.

ADP191

Ultrasmall 0.8 mm × 0.8 mm, 4-ball, 0.4 mm pitch WLCSP

VIN

VOUT

–

GND

APPLICATIONS

LEVEL SHIFT

AND SLEW

Mobile phones

Digital cameras and audio devices

Portable and battery-powered equipment

LOAD

RATE CONTROL

AND LOAD

OFF

DISCHARGE

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 mm²and 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. D

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

www.analog.com

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