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ASM8500EUR-45 PDF预览

ASM8500EUR-45

更新时间： 2024-11-27 14:37:35
品牌 Logo 应用领域
PULSECORE /
页数 文件大小 规格书
9页 138K
描述
Power Supply Support Circuit, Fixed, 1 Channel, PSSO3, PLASTIC, SOT-89, 3 PIN

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ASM8500EUR-45 技术参数

生命周期：Obsolete包装说明：PLASTIC, SOT-89, 3 PIN
Reach Compliance Code：unknown风险等级：5.68
Is Samacsys：N其他特性：RESET THRESHOLD VOLTAGE IS 4.5 V
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PSSO-G3长度：4.4455 mm
信道数量：1功能数量：1
端子数量：3最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified座面最大高度：1.6 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：1 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.499 mm
端子位置：SINGLE宽度：2.44 mm
Base Number Matches：1

ASM8500EUR-45 数据手册

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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 (VCC) level. Reset  
VCC  
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 VCC returns 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  
VCC  
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 VCC returns 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  
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