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Analog Devices Semiconductor Electronic Components Datasheet

ADP198 Datasheet

High-Side Load Switch

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Data Sheet
Logic Controlled, 1 A, High-Side Load
Switch with Reverse Current Blocking
ADP198
FEATURES
Low RDSON of 50 mΩ @ 3.3 V (WLCSP only)
Low input voltage range: 1.65 V to 6.5 V
1 A continuous operating current
Built-in level shift for control logic that can be operated by
1.2 V logic
Low 2.5 μA quiescent current @ VIN = 2.8 V
Low 1.1 μA shutdown current @ VIN = 2.8 V
Reverse current blocking
Programmable start-up time
Ultrasmall 1 mm × 1 mm, 4-ball, 0.5 mm pitch (WLCSP)
Tiny 8-lead lead frame chip scale package (LFCSP)
2.0 mm × 2.0 mm × 0.55 mm, 0.5 mm pitch
APPLICATIONS
Mobile phones
Digital cameras and audio devices
Portable and battery-powered equipment
GENERAL DESCRIPTION
The ADP198 is a high-side load switch designed for operation
between 1.65 V and 6.5 V that is protected against reverse
current flow from output to input. A load switch provides power
domain isolation, thereby helping to keep subsystems isolated and
powered independently and enabling reduced power consumption.
The ADP198 contains a low on-resistance P-channel MOSFET
that supports more than 1 A of continuous load current. The
low 2.5 μA quiescent current and ultralow shutdown current
make the ADP198 ideal for battery-operated portable
TYPICAL APPLICATION CIRCUITS
ADP198
VIN
+
GND
REVERSE
POLARITY
PROTECTION
VOUT
EN
ON
OFF
LEVEL SHIFT
AND SLEW
RATE CONTROL
LOAD
Figure 1. WLCSP
ADP198
VIN
+
VIN
SEL0
SEL1
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ON EN
OFF
GND
REVERSE
POLARITY
PROTECTION
SLEW
RATE CONTROL
LEVEL SHIFT
Figure 2. LFCSP
VOUT
VOUT
LOAD
equipment. The built-in level shifter for enable logic makes the
ADP198 compatible with modern processors and general-purpose
input/output (GPIO) controllers. The LFCSP version also allows
the user to program the start-up time to control the inrush
current at turn on.
The ADP198 is available in an ultrasmall 1 mm × 1 mm, 4-ball,
0.5 mm pitch WLCSP. An 8-lead, 2 mm × 2 mm × 0.55 mm,
0.5 mm pitch LFCSP is also available.
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.
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 ©2011–2012 Analog Devices, Inc. All rights reserved.
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Analog Devices Semiconductor Electronic Components Datasheet

ADP198 Datasheet

High-Side Load Switch

No Preview Available !

ADP198
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Typical Application Circuits............................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings ....................................................... 5
Thermal Data ................................................................................ 5
Thermal Resistance ...................................................................... 5
ESD Caution.................................................................................. 5
Pin Configurations and Function Descriptions ........................... 6
REVISION HISTORY
6/12—Rev. C to Rev. D
Changes to Table Headings in Table 6 ......................................... 14
Added Text to Diode OR’ing Applications Section.................... 15
Updated Outline Dimensions ....................................................... 16
4/12—Rev. B to Rev. C
Changes to VOUT Time Parameters ............................................. 3
11/11—Rev. A to Rev. B
Changes to WLCSP Turn-On Delay Time Parameter................. 3
Changes to Ordering Guide .......................................................... 16
10/11—Rev. 0 to Rev. A
Change to Features Section ............................................................. 1
Changes to Table 1, Specifications Section ................................... 3
Change to Ground Current Section............................................. 12
Changes to Enable Feature Section .............................................. 13
Updated Outline Dimensions ....................................................... 16
10/11—Revision 0: Initial Version
Data Sheet
Typical Performance Characteristics ..............................................8
Theory of Operation ...................................................................... 11
Applications Information .............................................................. 12
Ground Current.......................................................................... 12
Enable Feature ............................................................................ 13
Timing.......................................................................................... 14
Diode OR’ing Applications ....................................................... 15
Packaging and Ordering Information ......................................... 16
Outline Dimensions................................................................... 16
Ordering Guide .......................................................................... 16
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Rev. D | Page 2 of 16
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Part Number ADP198
Description High-Side Load Switch
Maker Analog Devices
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ADP198 Datasheet PDF






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