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ASM690ACSA

更新时间： 2024-02-27 04:42:41
品牌 Logo 应用领域
PULSECORE 电源电路电池电源管理电路微处理器光电二极管监控
页数 文件大小 规格书
15页 344K
描述
μP Power Supply Supervisor With Battery Backup Switch

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ASM690ACSA 技术参数

是否Rohs认证：不符合生命周期：Transferred
零件包装代码：DIP包装说明：DIP, DIP8,.3
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.32Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：R-CDIP-T8JESD-609代码：e0
信道数量：2功能数量：1
端子数量：8封装主体材料：CERAMIC, METAL-SEALED COFIRED
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：5 V
认证状态：Not Qualified座面最大高度：5.08 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.1 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：1.1 V
标称供电电压 (Vsup)：5 V表面贴装：NO
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.62 mm
Base Number Matches：1

ASM690ACSA 数据手册

 浏览型号ASM690ACSA的Datasheet PDF文件第2页浏览型号ASM690ACSA的Datasheet PDF文件第3页浏览型号ASM690ACSA的Datasheet PDF文件第4页浏览型号ASM690ACSA的Datasheet PDF文件第5页浏览型号ASM690ACSA的Datasheet PDF文件第6页浏览型号ASM690ACSA的Datasheet PDF文件第7页 
ASM690A/692A  
ASM802L/802M  
ASM805L  
April 2008  
rev 1.7  
µP Power Supply Supervisor With Battery Backup Switch  
General Description  
• Short circuit protection and thermal limiting  
The ASM690A / ASM692A / ASM802L / ASM802M /  
ASM805L offers complete single chip solutions for power  
supply monitoring and control battery functions in  
microprocessor systems. Each device implements four  
functions: Reset control, watchdog monitoring, battery-  
backup switching and powerfailure monitoring. In addition  
to microprocessor reset under power-up and power-down  
conditions, these devices provide battery-backup  
switching to maintain control in power loss and brown-out  
situations. Additional monitoring capabilities can provide  
an early warning of unregulated power supply loss before  
the voltage regulator drops out. The important features of  
these four functions are:  
• Small 8-pin SO and 8-pin PDIP packages  
• No external components  
• Specified over full temperature range  
Applications  
• Embedded control systems  
• Portable/Battery operated systems  
• Intelligent instruments  
• Wireless instruments  
• Wireless communication systems  
• PDAs and hand-held equipments  
• µP / µC power supply monitoring  
• Safety system  
• 1.6 second watchdog timer to keep microprocessor  
responsive  
Typical Operating Circuit  
• 4.40V or 4.65V VCC threshold for microprocessor reset  
at power-up and power-down  
•
SPDT (Single-pole, Double-throw) PMOS switch  
connects backup power to RAM if VCC fails  
• 1.25V threshold detector for power loss or general  
purpose voltage monitoring  
These features are pin-compatible with the industry  
standard power-supply supervisors. Short-circuit and  
thermal protection have also been added. The ASM690A  
/ ASM802L / ASM805L generate a reset pulse when the  
supply voltage drops below 4.65V and the ASM692A /  
ASM802M generate a reset below 4.40V. The ASM802L /  
ASM802M have power-fail accuracy to ± 2%. The  
ASM805L is the same as the ASM690A except that  
RESET is provided instead of RESET.  
Block Diagram  
Features  
• Two precision supply-voltage monitor options  
4.65V (ASM690A / ASM802L / ASM805L)  
4.40V (ASM692A / ASM802M )  
• Battery-backup power switch on-chip  
• Watchdog timer: 1.6 second timeout  
• Power failure / low battery detection  
PulseCore Semiconductor Corporation  
1715 S. Bascom Ave Suite 200 Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018  
www.pulsecoresemi.com  
Notice: The information in this document is subject to change without notice.  
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