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ASM1834AU

更新时间： 2024-02-07 02:34:33
品牌 Logo 应用领域
PULSECORE 电源电路电源管理电路微处理器光电二极管监控输入元件
页数 文件大小 规格书
10页 261K
描述
Dual 5V and 3.3V μP Power Supply Supervisor with Manual Reset

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ASM1834AU 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SOIC包装说明：TSSOP,
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-PDSO-G8JESD-609代码：e0
长度：3 mm信道数量：2
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：SQUARE封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：1.1 mm最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：1.2 V标称供电电压 (Vsup)：5 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：TIN LEAD端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

ASM1834AU 数据手册

 浏览型号ASM1834AU的Datasheet PDF文件第2页浏览型号ASM1834AU的Datasheet PDF文件第3页浏览型号ASM1834AU的Datasheet PDF文件第4页浏览型号ASM1834AU的Datasheet PDF文件第5页浏览型号ASM1834AU的Datasheet PDF文件第6页浏览型号ASM1834AU的Datasheet PDF文件第7页 
November 2006  
rev 1.5  
ASM1834/A/D  
Dual 5V and 3.3V µP Power Supply Supervisor with Manual Reset  
All devices operate over the extended industrial temperature  
range. Devices are available in 8-pin DIP, surface mount 8-pin  
SO and 8-Pin MicroSO packages. Die are also available.  
General Description  
The ASM1834 supervisors simultaneously monitor both 3.3V  
and 5V power sources and generate reset signals when either  
supply is out of tolerance. When an out-of-tolerance condition is  
detected, the output-reset signal of the affected supply  
becomes active and resets the system microprocessor/  
microcontroller. On power-up and after the supply voltage  
returns to an in-tolerance condition, the reset signal remains  
active for approximately 350ms. This allows the power supply  
and system microprocessor to stabilize.  
Key Features  
•
•
•
•
•
Monitors 5V and 3.3V supplies simultaneously  
5V and 3.3V power-on reset  
350ms reset time  
Debounced pushbutton reset input  
Push-pull CMOS output  
• ASM1834, ASM1834D  
• Eliminates external pull-up resistors  
• Active LOW (ASM1834), HIGH (ASM1834D)  
Open Drain Output  
Tolerance levels are independently selectable for both supplies.  
Tolerance options are 5% and 10% percent for the 5V supply  
and 10% and 20% percent for the 3.3V supply.  
•
• ASM1834A  
• Active LOW  
The ASM1834 and ASM1834D have push-pull reset output  
stages. The ASM1834A reset outputs are open drain devices  
that can both be connected to either 5V or 3.3V supply. The  
ASM1834 and ASM1834A have active LOW reset outputs. The  
ASM1834D has active HIGH reset outputs.  
•
•
Selectable 5V and 3.3V trip point tolerance  
Internal power drawn from highest input voltage, 5V or  
3.3V  
Precision temperature-compensated voltage reference and  
comparator  
Low cost surface mount SO, compact MicroSO and DIP  
packages.  
Wide operating temperature, -40°C to +85°C  
•
•
•
All devices can generate reset signals through an internally  
debounced pushbutton reset input that affects both reset  
outputs.  
Applications  
Typical Operating Circuit  
•
•
•
•
•
•
•
Microprocessors  
PDAs, Hand-held PCs  
Embedded Controllers  
Telecommunication Systems  
Power Supplies  
Wireless / Cellular Systems  
Networking Hardware  
3.3V  
+5V  
5V  
3.3V  
ASM1834  
µP  
5V  
3.3V  
IN  
IN  
RESET  
RESET  
GND  
PBRST  
GND  
5VTOL  
3.3VTOL  
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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