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參數(shù)資料
| 型號(hào)： | ADM869LARQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | 2 A, High-Side P-Channel Switch with Current Limit and Thermal Shutdown |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封裝： | MO-137AB, QSOP-16 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 124K |
| 代理商： | ADM869LARQ |
REV. A
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
ADM869L
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
2 A, High-Side P-Channel Switch with
Current Limit and Thermal Shutdown
FUNCTIONAL BLOCK DIAGRAM
TEMPERATURE
SENSOR AND
CONTROL
CIRCUITRY
MAIN FET
MIRROR FET
IN
(2.7V TO 5.5V)
OUT
R
SET
SET
FAULT
GND
ON
R
PULLUP
10k TO 100k
V
0 TO 5.5V
ON
ON
ON
ON
OVERTEMP
ADM869L
CURRENT
LIMIT
AMPLIFIER
1.24V
BANDGAP
REFERENCE
MIRROR
AMPLIFIER
0.1 F
22 F
FEATURES
2 A Load Current
45 m
On Resistance
User-Settable Current Limit
12 A Typical Quiescent Current
10 nA Typical Shutdown Current
40 nA Typical Switch Off Leakage
Short-Circuit Protection
Thermal Shutdown
FAULT
Output
Small, 16-Lead QSOP Package
APPLICATIONS
Desktop Computers
Palmtop Computers
Notebook Computers
Hand-Held Instruments
Universal Serial Bus (USB)
GENERAL DESCRIPTION
The ADM869L is a logic controlled P-channel switch with low
on resistance, capable of sourcing up to 2 A from supply voltages
between 2.7 V and 5.5 V. A user-settable current limit allows
the trip current to be set between 400 mA and 2 A with an
accuracy of
±
21%. This allows the system power supply to be
protected against short circuits and surge currents in peripheral
loads powered via the ADM869L. Over-current and over-
temperature conditions are signalled by a
FAULT
output.
The ADM869L also offers low quiescent current of typically
12
μ
A and shutdown current of typically 10 nA.
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| ADM869LARQ-REEL7 | 制造商:Analog Devices 功能描述:Current Limit SW 1-IN 1-OUT 2.7V to 5.5V 2.4A 16-Pin QSOP T/R 制造商:Analog Devices 功能描述:CURRENT LIMIT SW 1-IN 1-OUT 2.7V TO 5.5V 2.4A 16QSOP - Tape and Reel |
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| ADM869LARQZ-REEL7 | 制造商:Analog Devices 功能描述:Current Limit SW 1-IN 1-OUT 2.7V to 5.5V 2.4A 16-Pin QSOP T/R 制造商:Analog Devices 功能描述:CURRENT LIMIT SW 1-IN 1-OUT 2.7V TO 5.5V 2.4A 16QSOP - Tape and Reel |
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