ADP191
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ADP191

Logic Controlled, High-Side Power Switches

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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: 1.2 V to 3.6 V
  • Ultrasmall 0.8 mm × 0.8 mm, 4-ball, 0.4 mm pitch WLCSP
  • 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
  • 500 mA continuous operating current
Additional Details
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The ADP190 / ADP191 are high-side load switches designed for operation from 1.2 V to 3.6 V. These load switches 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. 

APPLICATIONS

  • Mobile phones
  • Digital cameras and audio devices
  • Portable and battery-powered equipment
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file View Data Sheet (Rev.E)
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1ku List Price Starting From $0.37
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ADP191

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Data Sheet

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UPDATED 03/09/2010
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ADP190/ADP191: Logic Controlled, High-Side Power Switches Data Sheet (Rev.E)

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Application Note

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UPDATED 04/27/2010
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AN-1072: How to Successfully Apply Low Dropout Regulators redirect icon

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AN-1072: 在系统中成功运用低压差稳压器 (Rev.0) redirect icon

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低ドロップアウト・レギュレータの活用方法 (Rev.AN-1072) redirect icon

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UPDATED 06/17/2015
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Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADP191ACBZ-R7 4-Ball WLCSP (0.8mm x 0.8mm) external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

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Feb 28, 2012

- 11_0175

Shipping Changes for WLCSP Products with 8mm Carrier Tape Width

ADP191ACBZ-R7

PRODUCTION

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PCN11_0175_Form

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Material_Report

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Qualification Report Summary

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Detailed Parts List

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Apr 8, 2011

- 11_0028

WLCSP Shipping Changes

ADP191ACBZ-R7

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PCN11_0028_Form

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PCN

Feb 28, 2012

- 11_0175

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Shipping Changes for WLCSP Products with 8mm Carrier Tape Width

ADP191ACBZ-R7

PRODUCTION

pdf

PCN11_0175_Form

external-icon

xls

Material_Report

Download
Qualification Report Summary

xls

Detailed Parts List

Download
Apr 8, 2011

- 11_0028

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WLCSP Shipping Changes

ADP191ACBZ-R7

PRODUCTION

pdf

PCN11_0028_Form

external-icon

xls

Material_Report

Download

pdf

Reliability Report

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