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ADP198 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 ADP198
기능 High-Side Load Switch
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ADP198 데이터시트, 핀배열, 회로
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.
datasheet pdf - http://www.DataSheet4U.net/




ADP198 pdf, 반도체, 판매, 대치품
ADP198
Timing Diagram
TURN-ON
DELAY
90%
10%
TURN-ON
RISE
VEN
TURN-OFF
DELAY
VOUT
TURN-OFF
FALL
Figure 3. Timing Diagram
Data Sheet
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Rev. D | Page 4 of 16
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ADP198 전자부품, 판매, 대치품
Data Sheet
ADP198
VOUT 1
VOUT 2
GND 3
ADP198
TOP VIEW
(Not to Scale)
8 VIN
7 VIN
6 EN
SEL1 4
5 SEL0
NOTES
1. THE EXPOSED PAD IS CONNECTED TO THE SUBSTRATE OF THE ADP198
AND MUST BE CONNECTED TO GROUND.
Figure 5. 8-Lead LFCSP Pin Configuration
Table 5. Pin Function Descriptions, LFCSP
Pin No. Mnemonic Description
1
VOUT
Output Voltage. Connect Pin 1 and Pin 2 together.
2
VOUT
Output Voltage. Connect Pin 1 and Pin 2 together.
3 GND
Ground.
4 SEL1
Select Turn-On Time.
5 SEL0
Select Turn-On Time.
6 EN
Enable Input. Drive EN high to turn on the switch and drive EN low to turn off the switch.
7 VIN
Input Voltage. Connect Pin 7 and Pin 8 together.
8 VIN
Input Voltage. Connect Pin 7 and Pin 8 together.
EP Exposed Pad. The exposed pad is connected to the substrate of the ADP198 and must be connected to ground.
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Rev. D | Page 7 of 16
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