ASM1233M

更新时间： 2024-11-23 22:47:55

品牌	Logo	应用领域
ALSC		电源电路电源管理电路光电二极管
页数	文件大小	规格书
9页	205K
描述
Low Power, 5V/3.0V, uP Reset, Active LOW, Open-Drain Output

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中文翻译

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数据手册

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ASM1233M 数据手册

October 2003

ASM1233M

rev 1.0

Low Power, 5V/3.0V, µP Reset, Active LOW, Open-Drain Output

General Description

Applications

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.

•

Set-top boxes

Cellular phones

PDAs

Energy management systems

Embedded control systems

Printers

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

)

Single board computers

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_CCreturns to an in-tolerance condition, the reset signal

Typical Operating Circuit

V_CC

remains active for 350ms to allow the power supply and system

microprocessor to stabilize.

ASM1233M

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.

Microprocessor

RESET

GND

RESET

Other low power products in this family include the ASM1810/

11/12/15/16/17 and ASM1233D.

Key Features

Block Diagram

•

Low Supply Current

•20 µA maximum (5.5 V)

V_CC

•15µA maximum (3.6 V)

•

Automatically restarts a microprocessor after power failure

350ms reset delay after V_CCreturns to an in-tolerance con-

ASM1233M

dition

5.0kΩ

•

Active LOW power-up reset, 5kΩ internal pull-up

Precision temperature-compensated voltage reference and

comparator

Supply

Tolerance

Bias

RESET

Delay

150ms

Typical

•

Eliminates external components

Low-cost TO-92 package

Compact surface mount SO-8 package

Operating temperature -40°C to +85°C

Reference

GND

Alliance Semiconductor

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

12 3 4 5 6 7...9

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与ASM1233M相关器件

型号	品牌	获取价格	描述	数据表
ASM1233M-3	ALSC	获取价格	Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output
ASM1233M-3	PULSECORE	获取价格	Low Power, 5V/3.3V, μP Reset, Active LOW, Ope
ASM1233M-3/S	ALSC	获取价格	Low Power, 5V/3.0V, uP Reset, Active LOW, Open-Drain Output
ASM1233M-3F	PULSECORE	获取价格	Low Power, 5V/3.3V, μP Reset, Active LOW, Ope
ASM1233M-3F	ALSC	获取价格	Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output
ASM1233M-5	PULSECORE	获取价格	Low Power, 5V/3.3V, μP Reset, Active LOW, Ope
ASM1233M-5	ALSC	获取价格	Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output
ASM1233M-5	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, BCY3, TO-92, 3 PIN
ASM1233M-5/S	ALSC	获取价格	Low Power, 5V/3.0V, uP Reset, Active LOW, Open-Drain Output
ASM1233M-55	ALSC	获取价格	Low Power, 5V/3.3V, uP Reset, Active LOW, Open-Drain Output

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