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ADP195 Datasheet

High-Side Power Switch

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Data Sheet
Logic Controlled, High-Side Power Switch
with Reverse Current Blocking
ADP195
FEATURES
Ultralow on resistance (RDSON)
50 mΩ @ 3.6 V
55 mΩ @ 2.5 V
65 mΩ @ 1.8 V
100 mΩ @ 1.2 V
Input voltage range: 1.1 V to 3.6 V
1.1 A maximum continuous operating current
Low enable control logic threshold can be operated from
1.2 V to 3.3 V
Low 1 μA (typical) ground current @ 1.8 V
Low 4 μA (maximum) reverse current @ 3.6 V
Ultralow shutdown current: 0.7 μA (typical) @ 1.8 V
Reverse current blocking
Tiny 4-ball wafer level chip scale package (WLCSP)
1.0 mm × 1.0 mm, 0.5 mm pitch
Tiny 6-lead lead frame chip scale package (LFCSP)
2.0 mm × 2.0 mm × 0.55 mm, 0.65 mm pitch
APPLICATIONS
Mobile phones
Digital cameras and audio devices
GPS devices
Personal media players
Portable and battery-powered equipment
TYPICAL APPLICATIONS CIRCUIT
VIN
+
GND
ADP195
REVERSE
POLARITY
PROTECTION
VOUT
ON
EN OFF
LEVEL SHIFT
AND SLEW
RATE CONTROL
LOAD
Figure 1.
GENERAL DESCRIPTION
The ADP195 is a high-side load switch designed for operation
between 1.1 V to 3.6 V and protected against reverse current
flow from output to input. This load switch provides power
domain isolation helping extended power domain isolation. The
device contains a low on-resistance, P-channel MOSFET that
supports over 1.1 A of continuous current and minimizes power
loss. The low 1 μA of quiescent current and ultralow shutdown
current make the ADP195 ideal for battery-operated portable
equipment. The built-in level shifter for enable logic makes the
ADP195 compatible with many processors and GPIO
controllers.
In addition to operating performance, the ADP195 occupies
minimal printed circuit board (PCB) space with an area of less
than 1.0 mm2 and a height of 0.60 mm.
It is available in an ultrasmall 1 mm × 1 mm, 4-ball, 0.5 mm
pitch WLCSP. A 6-lead 2 mm × 2 mm × 0.55 mm, 0.65 mm
pitch LFCSP is also available.
Rev. C
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.
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 ©2010–2012 Analog Devices, Inc. All rights reserved.


Analog Devices Semiconductor Electronic Components Datasheet

ADP195 Datasheet

High-Side Power Switch

No Preview Available !

ADP195
TABLE OF CONTENTS
Features .............................................................................................. 1 
Applications....................................................................................... 1 
Typical Applications Circuit............................................................ 1 
General Description ......................................................................... 1 
Revision History ............................................................................... 2 
Specifications..................................................................................... 3 
Timing Diagram ........................................................................... 3 
Absolute Maximum Ratings............................................................ 4 
Thermal Data ................................................................................ 4 
Thermal Resistance ...................................................................... 4 
ESD Caution.................................................................................. 4 
REVISION HISTORY
1/12—Rev. B to Rev. C
Changes to General Description Section ...................................... 1
Changes to Table 2............................................................................ 4
Updated Outline Dimensions ....................................................... 12
2/11—Rev. A to Rev. B
Added 6-Lead LFCSP.........................................................Universal
Changes to Features, Applications, and General Description
Sections .............................................................................................. 1
Added VIN to VOUT Resistance, LFCSP Parameter, Table 1.......... 3
Changes to Table 2 and Table 3....................................................... 4
Added Figure 4; Renumbered Sequentially .................................. 5
Added Table 5; Renumbered Sequentially .................................... 5
Added Figure 6, Figure 8, and Figure 10 ....................................... 6
Changes to Theory of Operation Section...................................... 9
Updated Outline Dimensions ....................................................... 12
Changes to Ordering Guide .......................................................... 12
Data Sheet
Pin Configurations and Function Descriptions ............................5 
Typical Performance Characteristics ..............................................6 
Theory of Operation .........................................................................9 
Applications Information .............................................................. 10 
Ground Current.......................................................................... 10 
Enable Feature ............................................................................ 10 
Timing ......................................................................................... 11 
Outline Dimensions ....................................................................... 12 
Ordering Guide .......................................................................... 12 
7/10—Rev. 0 to Rev. A
Changes to Features and Applications Sections ............................1
Changed 10 μA Ground Current to 1 μA Ground Current in
General Description Section............................................................1
Changes to Table 2 and Thermal Resistance Section ...................4
Added Thermal Data Section .........................................................4
3/10—Revision 0: Initial Version
Rev. C | Page 2 of 12


Part Number ADP195
Description High-Side Power Switch
Maker Analog Devices
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ADP195 Datasheet PDF






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