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參數(shù)資料
| 型號： | ASM1233AZ-15 |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Low Power, 3.3V, uP Reset, Active LOW, Open-Drain Output |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封裝： | SOT-223, 4 PIN |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 209K |
| 代理商： | ASM1233AZ-15 |
Alliance Semiconductor
ASM1233A
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, 3.3V, μP Reset, Active LOW, Open-Drain Output
November 2003
General Description
The ASM1233A is a voltage supervisor with low-power, 3.3V
μP Reset, with an active LOW, open-drain output. Maximum
supply current over temperature is a low 15μA.
The ASM1233A 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. The tolerance is 15% for the 3.3V, ASM1233A. 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 ASM1233A is designed with a open-drain output stage and
operates over the extended industrial temperature range.
Devices are available in compact SOT-223 packages.
Other low power products in this family include the ASM1810/
11/12/15/16/17, ASM1233D, and ASM1233M
Key Features
Low Supply Current
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 SOT-223 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
350ms
Typical
-
Microprocessor
ASM1233A
V
CC
RESET
Delay
+
V
CC
RESET
RESET
GND
ASM1233A
5.0k
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ASM1233A | KJ 6C 6#22 PIN PLUG |
| ASM1233D-10 | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233D-10F | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233D-15 | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
| ASM1233D-15F | Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ASM1233AZ-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 |
| ASM1233D | 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 |
| ASM1233D-10 | 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 |
| ASM1233D-10F | 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 |
| ASM1233D-15 | 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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