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MAX809SQ293T1G from ON/PBF,ON Semiconductor

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MAX809SQ293T1G

Manufacturer: ON/PBF, ON

Very Low Supply Current 3−Pin Microprocessor Reset Monitors

Partnumber Manufacturer Quantity Availability
MAX809SQ293T1G ON/PBF, ON 9000 In Stock

Description and Introduction

Very Low Supply Current 3−Pin Microprocessor Reset Monitors The MAX809SQ293T1G is a microprocessor reset circuit manufactured by ON Semiconductor. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Type:** Voltage Monitor  
- **Reset Threshold Voltage:** 2.93V  
- **Output Type:** Active-Low, Push-Pull  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Timeout Period:** 140ms (min)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-3  

### **Descriptions:**  
- The MAX809SQ293T1G is a low-power voltage monitor designed to ensure proper system operation by resetting microprocessors during power-up, power-down, or brownout conditions.  
- It asserts a reset signal when the supply voltage drops below the preset threshold (2.93V).  

### **Features:**  
- **Precision Monitoring:** Accurate 2.93V threshold with ±2% tolerance.  
- **Low Quiescent Current:** Typically 5µA, reducing power consumption.  
- **No External Components Required:** Simplifies circuit design.  
- **Push-Pull Output:** Eliminates the need for an external pull-up resistor.  
- **Wide Voltage Range:** Operates from 1.2V to 5.5V.  
- **Small Form Factor:** Available in a compact SOT-23-3 package.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Very Low Supply Current 3−Pin Microprocessor Reset Monitors

Alternative Part Number

  • APX809S-29SRG-7 --: Pin-compatible 3-pin voltage supervisor with 2.93V threshold and active-low reset, direct functional drop-in for the MAX809 series.
  • TPS3809L30DBVR --: Low-power 3-pin reset supervisor with similar 2.93V-class threshold and active-low output, widely available and reliable substitute.
  • MCP809T-290I/TT --: 3-pin voltage supervisor with 2.9V threshold and active-low reset, comparable function and package for the MAX809 application.
  • TPS3808G30DBVR --: Supervisory reset IC with 3.0V threshold and active-low push-pull output, functionally similar to the MAX809 series; different series name and manufacturer.
  • APX803L-30SA-7 --: Voltage supervisor with 3.0V detection and active-low reset output, a common cross for MAX809-type supervisors from a different series.
  • MCP131T-300E/TO --: 3.0V reset supervisor with active-low output in a small package, suitable replacement for MAX809 reset ICs from a distinct product family.

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