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MAX802SESA from MAX,MAXIM - Dallas Semiconductor

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MAX802SESA

Manufacturer: MAX

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.925V. Active-low reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2%

Partnumber Manufacturer Quantity Availability
MAX802SESA MAX 4 In Stock

Description and Introduction

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.925V. Active-low reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2% The MAX802SESA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** 2.32V, 2.93V, 3.08V, 4.38V, 4.63V  
- **Reset Timeout Period:** 140ms (min), 280ms (typ)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Quiescent Current:** 5μA (typ)  

### **Descriptions:**
- The MAX802SESA monitors microprocessor power supply voltages and provides a reset signal if the voltage falls below a preset threshold.  
- It ensures proper system operation by holding the microprocessor in reset until the supply voltage stabilizes.  
- The device is designed for low-power applications and features a manual reset input.  

### **Features:**
- **Precision Voltage Monitoring:** Ensures reliable reset generation.  
- **Low Quiescent Current:** Ideal for battery-powered systems.  
- **Manual Reset Input:** Allows external reset control.  
- **No External Components Required:** Simplifies circuit design.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures robust performance.  
- **Power-On Reset (POR) Function:** Provides reset upon power-up.  

This information is based solely on the manufacturer's datasheet for the MAX802SESA.

Application Scenarios & Design Considerations

3.0V or 3.3V microprocessor supervisory circuit. Reset threshold 2.925V. Active-low reset. Watchdog input. Backup-battery switch. Power-fail threshold accuracy +-2%. Power-fail comparator. Reset window +-2%

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