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ASM802LCPA-T PDF预览

ASM802LCPA-T

更新时间： 2024-11-30 20:04:07
品牌 Logo 应用领域
安森美 - ONSEMI 光电二极管
页数 文件大小 规格书
12页 196K
描述
IC POWER SUPPLY MANAGEMENT CKT, Power Management Circuit

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ASM802LCPA-T 技术参数

生命周期：Obsolete包装说明：,
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.31
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITBase Number Matches：1

ASM802LCPA-T 数据手册

 浏览型号ASM802LCPA-T的Datasheet PDF文件第2页浏览型号ASM802LCPA-T的Datasheet PDF文件第3页浏览型号ASM802LCPA-T的Datasheet PDF文件第4页浏览型号ASM802LCPA-T的Datasheet PDF文件第5页浏览型号ASM802LCPA-T的Datasheet PDF文件第6页浏览型号ASM802LCPA-T的Datasheet PDF文件第7页 
ASM690A/692A,  
ASM802L/802M, ASM805L  
mP Power Supply Supervisor  
with Battery Backup Switch  
Description  
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 power failure 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:  
http://onsemi.com  
PDIP−8  
P SUFFIX  
SOIC−8  
S SUFFIX  
CASE 646AA  
CASE 751BD  
• 1.6 second watchdog timer to keep microprocessor responsive  
PIN CONFIGURATIONS  
• 4.40 V or 4.65 V VCC threshold for microprocessor reset at  
1
V
V
power−up and power−down  
OUT  
BATT  
ASM690A,  
ASM692A,  
ASM802L,  
ASM802M  
• SPDT (Single−pole, Double−throw) PMOS switch connects backup  
power to RAM if VCC fails  
V
RESET  
WDI  
CC  
GND  
PFI  
• 1.25 V threshold detector for power loss or general purpose voltage  
PFO  
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 4.65 V and the  
ASM692A / ASM802M generate a reset below 4.40 V. 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.  
1
V
V
OUT  
BATT  
V
RESET  
WDI  
CC  
ASM805L  
GND  
PFI  
PFO  
(Top Views)  
Features  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 11 of this data sheet.  
• Two Precision Supply−voltage Monitor Options  
4.65 V (ASM690A / ASM802L / ASM805L)  
4.40 V (ASM692A / ASM802M)  
• Battery−backup Power Switch On−chip  
• Watchdog Timer: 1.6 Second Timeout  
• Power Failure / Low Battery Detection  
• Short Circuit Protection and Thermal Limiting  
• 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 Communication Systems  
• PDAs and Hand−held Equipments  
• mP / mC Power Supply Monitoring  
• Safety System  
• Wireless Instruments  
© Semiconductor Components Industries, LLC, 2011  
1
Publication Order Number:  
ASM690A/D  
August, 2011 − Rev. 3  
1234567...12

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