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CM3403-46ST PDF预览

CM3403-46ST

更新时间: 2024-09-15 21:54:39
品牌 Logo 应用领域
CALMIRCO 电源电路电源管理电路光电二极管监控
页数 文件大小 规格书
6页 184K
描述
Micropower Supply Voltage Supervisor (SVS)

CM3403-46ST 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOT-23包装说明:TSSOP,
针数:3Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.92Is Samacsys:N
其他特性:RESET THRESHOLD NOMINAL IS 4.63V可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G3
长度:2.92 mm信道数量:1
功能数量:1端子数量:3
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:RECTANGULAR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:1.12 mm最大供电电压 (Vsup):6 V
最小供电电压 (Vsup):表面贴装:YES
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:1.3 mm
Base Number Matches:1

CM3403-46ST 数据手册

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CM3403  
Micropower Supply Voltage Supervisor (SVS)  
Product Description  
Features  
Precision voltage sensor  
Two threshold options: 2.93V or 4.63V  
Stable over temperature  
The CM3403 is a micropower low voltage supply  
supervisor designed to provide the necessary power-  
on reset control for microprocessors and memory  
applications. An internal pull-down resistor on the  
RESET output ensures the output remains valid under  
all supply conditions.  
Valid output logic while V = 0V.  
CC  
Power-on reset pulse width of  
140ms (min.) to 460ms (max.)  
Low quiescent current (40µA typ.)  
No external components required  
3-pin SOT23 package  
During either a cold-start power-up or a complete  
power-down sequence, the RESET output will remain  
at 0V while the V  
input voltage is between the  
CC  
"809" compatible pinout  
threshold level and ground.  
Lead-free versions available  
When the V input exceeds the preset threshold volt-  
CC  
age, an internal timer is triggered and the RESET out-  
put remains active for a minimum of 140ms, at which  
point the output is taken inactive.  
Applications  
Critical µP and µC power monitoring  
PCI applications  
Memory integrity during "brownouts"  
In the event of a "brown-out" condition and the V  
CC  
voltage collapses below the threshold the RESET out-  
put is immediately asserted.  
Both the trigger threshold and the precision delay pulse  
are internally controlled eliminating the requirement for  
external components.  
The CM3403 is housed in a 3-pin SOT23 package and  
is available with optional lead-free finishing.  
Typical Application Circuit  
Simplified Electrical Schematic  
V
IN  
+
VCC  
Rising Edge  
RESET  
CM3403  
Microprocessor  
Delay  
-
Threshold  
Reference  
R
PULLDOWN  
V
RESET  
GND  
V
CC  
RESET  
GND  
CC  
GND  
© 2004 California Micro Devices Corp. All rights reserved.  
10/29/04 430 N. McCarthy Blvd., Milpitas, CA 95035-5112  
Tel: 408.263.3214  
Fax: 408.263.7846  
www.calmicro.com  
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