Datasheet > ASM8500EZR-42F

ASM8500EZR-42F

更新时间： 2024-11-28 03:03:07

品牌	Logo	应用领域
ALSC		/
页数	文件大小	规格书
9页	138K
描述
Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, ROHS COMPLIANT, TO-92, 3 PIN

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ASM8500EZR-42F 数据手册

May 2005

ASM8500

rev 1.7

Low Power 5V / 3.3V µP Reset Active LOW, Open - Drain Output

•

Printers

General Description

Single board computers

The ASM8500 is a voltage supervisory device with a low-power,

^5V/3.3V µP Reset, active LOW, open-drain output. Typical

supply current over temperature is a low 6µA.

Typical Operating Circuit

The ASM8500 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. Reset

V_CC

ASM8500

threshold tolerance level is ±1.7% at room temperature. 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

Microprocessor

RESET

GND

RESET

remains active for 1.5ms to allow the power supply and system

microprocessor to stabilize.

The ASM8500 is designed with a open-drain output stage and

operates over the extended industrial temperature range.

Devices are available in compact surface mount SOT-89 and 3-

lead TO-92 packages.

Block Diagram

V_CC

Other low power products in this family include the ASM1810/

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

ASM8500

5.5ΚΩ

Supply

Tolerance

Bias

Key Features

RESET

•

Low Supply Current

Delay

1.5ms

Typical

• 6 µA typical (5.5 V)

•

Automatically restarts a microprocessor after power failure

1.5ms reset delay after V_CCreturns to an in-tolerance con-

Reference

dition

•

Active LOW power-up reset

Precision temperature-compensated voltage reference and

comparator

GND

•

Eliminates external components

Compact surface mount SOT-89 and TO-92 packages

Operating temperature -40°C to +85°C

Applications

•

Set-top boxes

Cellular phones

PDAs

Energy management systems

Embedded control systems

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ASM8500EZR-42F相关器件

型号	品牌	获取价格	描述	数据表
ASM8500EZR-42F-T	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, ROHS COMPLIANT, TO-92, 3 PIN
ASM8500EZR-42F-T	ALSC	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, ROHS COMPLIANT, TO-92, 3 PIN
ASM8500EZR-42-T	ALSC	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, TO-92, 3 PIN
ASM8500EZR-45	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, TO-92, 3 PIN
ASM8500EZR-45	ALSC	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, TO-92, 3 PIN
ASM8500EZR-45F	ALSC	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, ROHS COMPLIANT, TO-92, 3 PIN
ASM8500EZR-45F	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, ROHS COMPLIANT, TO-92, 3 PIN
ASM8500EZR-45F-T	ALSC	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, ROHS COMPLIANT, TO-92, 3 PIN
ASM8500EZR-45F-T	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, ROHS COMPLIANT, TO-92, 3 PIN
ASM8500EZR-45-T	PULSECORE	获取价格	Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, TO-92, 3 PIN

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