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R5101G001A PDF预览

R5101G001A

更新时间： 2024-09-22 21:54:39
品牌 Logo 应用领域
理光 - RICOH 微处理器
页数 文件大小 规格书
17页 331K
描述
Microprocessor power management with Watchdog Timer

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中文翻译

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R5101G001A 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：LSSOP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.76
其他特性：WATCHDOG TIMER, THRESHOLD SET BY LASER-TRIM可调阈值：NO
模拟集成电路 - 其他类型：POWER SUPPLY MANAGEMENT CIRCUITJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：2.9 mm
湿度敏感等级：1信道数量：1
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：LSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, LOW 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：1.3 mm最大供电电压 (Vsup)：10 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS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：2.8 mm
Base Number Matches：1

R5101G001A 数据手册

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‘99.12.3  
Microprocessor power management with Watchdog Timer  
R5101G Series  
12345  
n OUTLINE  
The R5101G Series are microprocessor power management ICs with high accuracy output voltage and  
detector threshold and with ultra low supply current by CMOS process. Each of these ICs consists of a voltage  
regulator, a voltage detector and a watchdog timer. Thus, the R5101G Series have the function of a power  
management for microprocessor, a monitor of the voltage of a power source and a microprocessor supervisor.  
The built-in voltage regulator with an internal driver transistor can supply typically 50mA current to a system  
when the voltage difference between input and output is 2V. Therefore these ICs are very suitable for various  
power supply systems for microprocessors. The output voltage is monitored by the voltage detector which is  
built-in these ICs.  
The built-in voltage detector has an output delay function and the delay time can be set by an external  
capacitor(CD).  
The output voltage and the detector threshold voltage can be set individually for each IC by laser trimming.  
Furthermore, when a microprocessor works incorrectly, the watchdog timer which checks over microprocessor  
generates reset signals intermittently to prevent a whole system from being malfunction.  
The time period for watching and holding a reset signal of the watchdog timer can also be set individually  
by an external capacitor(CTW).  
n FEATURES  
l Built-in a watchdog timer  
l Time period for monitoring and generating a reset signal of the watchdog timer can be set by an external  
capacitor  
l Watchdog timer can be stopped individually by CE Pin  
l Low supply current · · · · · · · · · · · · · · · · · · · · · · ·TYP. 5µA  
l The output voltage of Voltage Regulator and the detector threshold voltage can be set individually with a step  
of 0.1V for each IC by laser trim  
l High Accuracy Output Voltage of Voltage Regulator and Detector Threshold · · · · ±2.5%  
l Power-on Reset Delay Time can be set by an external capacitor  
l Output Current · · · · · · · Typ. 50mA (at Vin - Vout = 2V)  
l Small Package · · · Ultra-mini SSOP-8G (0.65mm pitch ) Refer to Package Dimensions  
n APPLICATION  
l Power source for microprocessors  
n PIN CONFIGURATION  
SSOP8G(0.65mm pitch)  
Reset  
SCK  
CD  
CE  
GND  
CTW  
VDD  
VOUT  
12345  
Rev. 1.10  
- 1 -  
1234567...17

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