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CAT1232LPW-T13 PDF预览

CAT1232LPW-T13

更新时间： 2024-02-03 00:39:16
品牌 Logo 应用领域
CATALYST 电源电路电源管理电路复位电路光电二极管监控
页数 文件大小 规格书
9页 120K
描述
5V and 3.3V Supply Voltage Monitor and Reset Circuit

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中文翻译

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CAT1232LPW-T13 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP16,.4针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.15
Is Samacsys：N其他特性：RESET THRESHOLD VOLTAGE IS 5V
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：10.3 mm湿度敏感等级：1
信道数量：1功能数量：1
端子数量：16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：SOP封装等效代码：SOP16,.4
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260电源：1/5.5 V
认证状态：Not Qualified座面最大高度：2.65 mm
子类别：Power Management Circuits最大供电电流 (Isup)：0.05 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：1 V
标称供电电压 (Vsup)：5.5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：MATTE TIN
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：7.5 mmBase Number Matches：1

CAT1232LPW-T13 数据手册

 浏览型号CAT1232LPW-T13的Datasheet PDF文件第2页浏览型号CAT1232LPW-T13的Datasheet PDF文件第3页浏览型号CAT1232LPW-T13的Datasheet PDF文件第4页浏览型号CAT1232LPW-T13的Datasheet PDF文件第5页浏览型号CAT1232LPW-T13的Datasheet PDF文件第6页浏览型号CAT1232LPW-T13的Datasheet PDF文件第7页 
CAT1232LP/CAT1832  
5V and 3.3V Supply Voltage Monitor and Reset Circuit  
FEATURES  
DESCRIPTION  
ꢀ Selectable reset voltage tolerance  
— CAT1232LP for 5V supply  
— CAT1832 for 3.3V supply  
The CAT1232LP and CAT1832 microprocessor  
supervisors can halt and restart a “hung-up” or “stalled”  
microprocessor, restart a microprocessor after a power  
failure, and debounce a manual/push-button micro-  
processor reset switch. The devices are drop in  
replacements for the Maxim/Dallas Semiconductor  
DS1232LP and DS1832 supervisors  
ꢀ Selectable watchdog period:  
150ms, 600ms or 1.2 sec  
ꢀ Two reset outputs  
Precision reference and comparator circuits monitor the  
5V or 3.3V system power supply voltage, VCC. During  
power-up or when the power supply falls outside  
selectabletolerancelimits, boththeRESETandRESET  
become active. After the power supply voltage rises  
above the RESET threshold voltage, the reset signals  
remain active for a minimum of 250ms, allowing the  
power supply and system processor to stabilize. The  
trip-point tolerance input, TOL, selects the trip level  
tolerance to be either 5% or 10% for the CAT1232LP 5V  
supply and 10% or 20% for the CAT1832 3.3V supply.  
— Active high, push-pull reset output  
— Active low, open-drain reset output  
(CAT1232LP)  
— Active low, push-pull reset output (CAT1832)  
ꢀ Debounced manual push-button reset  
ꢀ Compact SOIC and MSOP packages  
APPLICATIONS  
ꢀ Microprocessor Systems  
ꢀ Portable Equipment  
ꢀ Controllers  
Each device has a push-pull, active HIGH reset output.  
The CAT1232LP also has an open drain, active LOW  
reset output while the CAT1832 also has a push-pull,  
active LOW reset output.  
ꢀ Single Board Computers  
ꢀꢀ Instrumentations  
A debounced manual reset input activates the reset  
outputs and holds them active for a minimum period of  
250ms after being released.  
ꢀ Telecommunications  
Also included is a watchdog timer to reset a  
microprocessor that has stopped due to a software or  
hardware failure. Three watchdog time-out periods are  
selectable: 150ms, 600ms and 1.2sec. If the ST input is  
not strobed low before the watchdog time out period  
expires, the reset signals become active for a minimum  
of 250ms.  
FUNCTIONAL DIAGRAM  
VCC  
(CAT1232LP)  
RESET  
TOL  
Tolerance Selection  
Reference  
+
VCC  
–
40kΩ  
RESET  
RESET  
PBRST  
TD  
Push Button Debounce  
Watchdog Timebase Selection  
Watchdog Transition Detector  
Reset &  
Watchdog Timer  
(CAT1832)  
ST  
© 2005 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Doc. No. 25089, Rev. A  
1
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