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參數(shù)資料
| 型號： | ASM1233M |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Low Power, 5V/3.0V, uP Reset, Active LOW, Open-Drain Output |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封裝： | PLASTIC, SOT-89 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 204K |
| 代理商： | ASM1233M |
Alliance Semiconductor
ASM1233M
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 1.0
Low Power, 5V/3.0V, μP Reset, Active LOW, Open-Drain Output
October 2003
General Description
The ASM1233M is a voltage supervisor with low-power, 5V μP
Reset, with an active LOW, open-drain output. Maximum supply
current over temperature is a low 20μA.
The ASM1233M generates an active LOW 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% ,and 10% for a 5V power
supply. The tolerance is 15% for the 3.3V, ASM1233M. 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 ASM1233M is designed with a open-drain output stage and
operates over the extended industrial temperature range.
Devices are available in compact surface mount SO-8
packages and 3-lead TO-92 packages.
Other low power products in this family include the ASM1810/
11/12/15/16/17 and ASM1233D.
Key Features
Low Supply Current
20 μA maximum (5.5 V)
15μA maximum (3.6 V)
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 TO-92 package
Compact surface mount SO-8 package
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
GND
Supply
Tolerance
Bias
Reference
Typical
-
Microprocessor
ASM1233M
V
CC
RESET
Delay
150ms
+
1
2
4
V
CC
RESET
RESET
GND
ASM1233M
5.0k
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| ASM1810R-10F | Low Power, 5V uP Reset Active LOW, Push-Pull Output |
| ASM1810-10F | Low Power, 5V uP Reset Active LOW, Push-Pull Output |
| ASM1810-15 | Low Power, 5V uP Reset Active LOW, Push-Pull Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM1233M-3 | 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 |
| ASM1233M-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 |
| ASM1233M-3F | 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 |
| ASM1233M-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 |
| ASM1233M-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 |
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