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STM1815SWX7F from ST,ST,ST Microelectronics

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STM1815SWX7F

Manufacturer: ST,ST

Low Power Reset Circuit

Partnumber Manufacturer Quantity Availability
STM1815SWX7F ST,ST 24000 In Stock

Description and Introduction

Low Power Reset Circuit The STM1815SWX7F is a microprocessor reset circuit manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Type:** Voltage Monitor  
- **Reset Threshold Voltage:** Adjustable or fixed (specific value depends on variant)  
- **Operating Voltage Range:** Typically 1.0V to 5.5V  
- **Output Type:** Active-Low or Active-High (depends on variant)  
- **Package:** SOT-23-5  
- **Temperature Range:** Industrial (-40°C to +85°C)  
- **Reset Timeout Period:** Typically 140ms (may vary by variant)  
- **Quiescent Current:** Low power consumption (exact value depends on variant)  

### **Descriptions & Features:**  
- Monitors system voltage and generates a reset signal when voltage falls below a threshold.  
- Ensures proper microprocessor initialization during power-up/down or brownout conditions.  
- Manual reset input capability (if supported by variant).  
- Small form factor (SOT-23-5 package) for space-constrained applications.  
- Suitable for industrial, automotive, and consumer electronics applications.  

For exact threshold voltage and other variant-specific details, refer to the official ST datasheet.

Application Scenarios & Design Considerations

Low Power Reset Circuit
Partnumber Manufacturer Quantity Availability
STM1815SWX7F ST 1 In Stock

Description and Introduction

Low Power Reset Circuit The STM1815SWX7F is a microprocessor reset circuit manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** 1.1V to 5.5V  
- **Reset Threshold Voltage Options:** Adjustable or fixed (1.6V, 2.2V, 2.7V, 3.0V, 3.3V, 5.0V)  
- **Reset Timeout Period:** 140ms (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The STM1815SWX7F is a low-power voltage detector designed to monitor microprocessor power supplies.  
- It provides a reset signal to the microprocessor when the supply voltage drops below a specified threshold, ensuring proper system initialization.  
- It is suitable for battery-powered and portable applications due to its low quiescent current.  

### **Features:**
- **Low Quiescent Current:** Typically 1µA (minimizes power consumption)  
- **Manual Reset Input:** Allows external reset control  
- **Power-On Reset (POR):** Ensures proper startup  
- **Wide Operating Voltage Range:** Supports 1.1V to 5.5V  
- **Small Form Factor:** SOT-23-5 package for space-constrained designs  
- **High Accuracy:** Tight threshold tolerance for reliable operation  

This device is commonly used in embedded systems, industrial controls, and consumer electronics where reliable power monitoring is required.

Application Scenarios & Design Considerations

Low Power Reset Circuit

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