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參數資料
| 型號： | ASM1817R-10F |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | GIGATRUE 550 CAT PATCH CBL SNAGLSS 15FT GR 25 PK |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | LEAD FREE, PLASTIC, SOT-23, 3 PIN |
| 文件頁數： | 1/9頁 |
| 文件大小： | 232K |
| 代理商： | ASM1817R-10F |
Alliance Semiconductor
ASM1817
2575 Augustine Drive . Santa Clara, CA 95054 . Tel: 408.855.4900 . Fax: 408.855.4999 . www.alsc.com
Notice: The information in this document is subject to change without notice
rev 1.5
Low Power, 3.3V/3.0V μP Reset, Active HIGH, Push-Pull Output
February 2005
General Description
The ASM1817 voltage supervisory device with low-power, 3.3V/
3.0V μP Reset, active HIGH, Push-Pull output. Maximum
supply current over temperature is a low 15μA (at 3.6V).
The ASM1817 generates an active HIGH reset signal whenever
the monitored supply is out of tolerance. A precision reference
and comparator circuit monitor power supply (V
CC
)
level.
Tolerance level options are 5%, 10% and 20% percent. When
an out-of-tolerance condition is detected, an internal power-fail
signal is generated which forces an active HIGH reset signal.
After V
CC
returns to an in-tolerance condition, the reset signal
remains active for 150ms to allow the power supply and system
microprocessor to stabilize.
The ASM1817 is designed with a push-pull output stage and
operates over the extended industrial temperature range.
Devices are available in TO-92 and compact surface mount
SOT-23 packages.
Other low power products in this family include the ASM1810/
11/12/15/16, ASM1233D and ASM1233M.
Key Features
Low Supply Current
20 μA maximum (5.5 V)
15 μA maximum (3.6 V)
Automatically restarts a microprocessor after power failure
150ms reset delay after V
CC
returns to an in-tolerance con-
dition
Active HIGH power-up reset
Precision temperature-compensated voltage reference and
comparator
Eliminates external components
TO-92 and compact surface mount SOT-23 package
Push-Pull output for minimum current drain
Operating temperature -40°C to +85°C
Applications
Set-top boxes
Cellular phones
PDAs
Energy management systems
Embedded control systems
Printers
Single board computers
Typical Operating Circuit
Block Diagram
Microprocessor
V
CC
RESET
RESET
GND
ASM1817
ASM1817
V
CC
Supply
Bias
Reference
Delay
150ms
Typical
-
Tolerance
GND
RESET
+
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| ASM1817-10 | Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ASM1817R-10F/T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
| ASM1817R-20 | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
| ASM1817R-20/T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
| ASM1817R-20F | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
| ASM1817R-20F/T | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 3.3V/3.0V uP Reset, Active HIGH, Push-Pull Output |
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