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參數資料
| 型號： | ASM1233MS-3 |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數： | 1/11頁 |
| 文件大?。?/td> | 175K |
| 代理商： | ASM1233MS-3 |
Alliance Semiconductor
ASM1233D-L/D/M
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 1.3
Low Power, 5V/3.3V, μP Reset, Active LOW, Open-Drain Output
March 2005
General Description
The ASM1233D-L/1233D/1233M are voltage supervisors with
low-power, 5/3.3V μP Reset, with an active LOW, open-drain
output. Maximum supply current over temperature is 15μA for
3.3V devices and 20μA for 5V devices.
The ASM1233D-L/1233D/1233M generates an active LOW
reset signal whenever the monitored supply is out of tolerance.
A precision reference and comparator circuit monitors power
supply (V
CC
) level. The tolerance are 5%,10% and 15%. When
an out-of-tolerance condition is detected, an internal power-fail
signal is generated which forces an active LOW reset signal.
After V
CC
returns to an in-tolerance condition, the reset signal
remains active for 350ms to allow the power supply and system
microprocessor to stabilize.
The ASM1233D-L/1233D/1233M is designed with an open-
drain output stage and operates over the extended industrial
temperature range. These devices are available in compact
SOT-223, SO-8 and TO-92 packages.
Other low power products in this family include ASM1810/11/
12/15/16/17.
Key Features
Low Supply Current
15μA maximum (<=3.6V), 20μA maximum (5.5V)
Automatically restarts a microprocessor after power failure
350ms reset delay after V
CC
returns to an in-tolerance con-
dition
Active LOW power-up reset, 5k
internal pull-up
Precision temperature-compensated voltage reference and
comparator
Eliminates external components
Low-cost SOT-223/SO-8/TO-92 packages
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
V
CC
Microprocessor
V
CC
RESET
RESET
GND
A
GND
Supply
Tolerance
Bias
Reference
350ms
Typical
-
ASM1233D-L,ASM1233D,ASM1233M
RESET
Delay
+
5.0k
相關PDF資料 |
PDF描述 |
|---|---|
| ASM1233MS-3F | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233MS-5 | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233MS-55 | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233MS-55F | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233MS-5F | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ASM1233MS-3/S | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 5V/3.0V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233MS-3F | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233MS-5 | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Low Power, 5V/3.3V, μP Reset, Active LOW, Open-Drain Output |
| ASM1233MS-5/S | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Power, 5V/3.0V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233MS-55 | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:Low Power, 5V/3.3V, μP Reset, Active LOW, Open-Drain Output |
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