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MAX809SW from PHILIPS

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MAX809SW

Manufacturer: PHILIPS

3-pin microprocessor resets

Partnumber Manufacturer Quantity Availability
MAX809SW PHILIPS 15000 In Stock

Description and Introduction

3-pin microprocessor resets The MAX809SW is a microprocessor reset circuit manufactured by Philips (now NXP Semiconductors). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Type:** Voltage Monitor / Reset IC  
- **Reset Threshold Voltage:** 4.63V (typical)  
- **Operating Voltage Range:** 1.1V to 5.5V  
- **Output Type:** Active-Low Reset  
- **Reset Timeout Period:** 140ms (minimum)  
- **Package:** SOT-23 (3-pin)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The MAX809SW is a low-power voltage supervisor designed to monitor system power supplies and provide a reset signal to microprocessors or microcontrollers when the voltage drops below a preset threshold.  
- It ensures proper system operation by holding the reset signal active until the supply voltage stabilizes.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Low Power Consumption:** Typically 6µA supply current.  
- **No External Components Required:** Simplifies circuit design.  
- **Guaranteed Reset Valid Down to Vcc = 1V:** Ensures reset functionality even at very low voltages.  
- **Small Form Factor:** SOT-23 package for space-constrained applications.  

This information is based on the Philips/NXP datasheet for the MAX809SW.

Application Scenarios & Design Considerations

3-pin microprocessor resets

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