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ASM1834U

更新时间： 2024-11-24 20:16:31
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
11页 171K
描述
2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, MICRO, SOP-8

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ASM1834U 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：MICRO, SOP-8
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.14Is Samacsys：N
其他特性：MANUAL RESET INPUT可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：S-PDSO-G8
JESD-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封装等效代码：TSSOP8,.19
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电源：1.5/5 V
认证状态：Not Qualified座面最大高度：1.1 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.03 mA
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)：3.3 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阈值电压标称：+2.6,2.9,4.4,4.6V
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

ASM1834U 数据手册

 浏览型号ASM1834U的Datasheet PDF文件第2页浏览型号ASM1834U的Datasheet PDF文件第3页浏览型号ASM1834U的Datasheet PDF文件第4页浏览型号ASM1834U的Datasheet PDF文件第5页浏览型号ASM1834U的Datasheet PDF文件第6页浏览型号ASM1834U的Datasheet PDF文件第7页 
ASM1834, ASM1834A,  
ASM1834D  
Dual 5 V and 3.3 V mP  
Power Supply Supervisor  
with Manual Reset  
http://onsemi.com  
Description  
The ASM1834 supervisors simultaneously monitor both 3.3 V and  
5 V 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 350 ms. This allows the power  
supply and system microprocessor to stabilize.  
PDIP−8  
NO SUFFIX  
CASE 646AA  
MICRO−8  
U SUFFIX  
CASE 846AA  
SOIC−8  
S SUFFIX  
CASE 751BD  
Tolerance levels are independently selectable for both supplies.  
Tolerance options are 5% and 10% for the 5 V supply and 10% and  
20% for the 3.3 V supply.  
PIN CONFIGURATION  
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 5 V or 3.3 V supply. The ASM1834 and  
ASM1834A have active LOW reset outputs. The ASM1834D has  
active HIGH reset outputs.  
All devices can generate reset signals through an internally  
debounced pushbutton reset input that affects both reset outputs.  
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.  
1
5V  
3.3V  
IN  
IN  
ASM1834  
ASM1834A  
ASM1834D  
5V RESET*  
5V TOL  
GND  
3.3V RESET*  
3.3V TOL  
PBRST  
(Top View)  
*AS1834D reset outputs are active HIGH  
(5V RESET and 3.3V RESET) Outputs are  
open−drain for AS1834A.  
Features  
• Monitors 5 V and 3.3 V Supplies Simultaneously  
• 5 V and 3.3 V Power−on Reset  
• 350 ms Reset Time  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 11 of this data sheet.  
• Debounced Pushbutton Reset Input  
• Push−pull CMOS Output  
ASM1834, ASM1834D  
Eliminates External Pull−up Resistors  
Active LOW (ASM1834), HIGH (ASM1834D)  
• Open Drain Output  
ASM1834A  
Active LOW  
Applications  
• Microprocessors  
• Selectable 5 V and 3.3 V Trip Point Tolerance  
• Internal Power Drawn from Highest Input Voltage,  
• PDAs, Hand−held PCs  
• Embedded Controllers  
• Telecommunication Systems  
• Power Supplies  
5 V or 3.3 V  
• Precision Temperature−compensated Voltage Reference  
and Comparator  
• Low Cost Surface Mount SO, Compact MicroSO and  
DIP Packages  
• Wireless / Cellular Systems  
• Networking Hardware  
• Wide Operating Temperature: −40°C to +85°C  
© Semiconductor Components Industries, LLC, 2011  
1
Publication Order Number:  
August, 2011 − Rev. 3  
ASM1834/D  
1234567...11

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