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MAX809SQ120T1G from ON,ON Semiconductor

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MAX809SQ120T1G

Manufacturer: ON

Very Low Supply Current 3−Pin Microprocessor Reset Monitors

Partnumber Manufacturer Quantity Availability
MAX809SQ120T1G ON 6085 In Stock

Description and Introduction

Very Low Supply Current 3−Pin Microprocessor Reset Monitors The **MAX809SQ120T1G** is a microprocessor reset circuit manufactured by **ON Semiconductor**.  

### **Specifications:**  
- **Type:** Voltage Monitor  
- **Reset Threshold Voltage:** 1.20V  
- **Output Type:** Active-Low, Push-Pull  
- **Operating Voltage Range:** 1.0V to 5.5V  
- **Reset Timeout Period:** 140ms (typical)  
- **Quiescent Current:** 6µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-3  

### **Descriptions:**  
The MAX809SQ120T1G is a low-power voltage monitor designed to provide a reset signal to microprocessors or other digital systems when the supply voltage drops below a preset threshold (1.20V). It ensures proper system operation by holding the reset signal active until the supply voltage stabilizes.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures accurate reset at 1.20V threshold.  
- **Low Power Consumption:** Only 6µA typical quiescent current.  
- **Push-Pull Output:** No external pull-up resistor required.  
- **Wide Operating Voltage Range:** Supports 1.0V to 5.5V.  
- **Small Form Factor:** Available in a compact SOT-23-3 package.  
- **Industrial Temperature Range:** Suitable for harsh environments (-40°C to +85°C).  

This device is commonly used in **battery-powered systems, embedded controllers, and portable electronics** where reliable power-on reset functionality is critical.

Application Scenarios & Design Considerations

Very Low Supply Current 3−Pin Microprocessor Reset Monitors

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