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MAX812LEUS+T from MAX,MAXIM - Dallas Semiconductor

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MAX812LEUS+T

Manufacturer: MAX

4-Pin µP Voltage Monitors with Manual Reset Input

Partnumber Manufacturer Quantity Availability
MAX812LEUS+T,MAX812LEUST MAX 31200 In Stock

Description and Introduction

4-Pin µP Voltage Monitors with Manual Reset Input The **MAX812LEUS+T** is a microprocessor (μP) supervisory circuit manufactured by **Maxim Integrated**. Below are its specifications, descriptions, and features:

### **Manufacturer:**  
- **Maxim Integrated** (now part of Analog Devices)

### **Description:**  
- The **MAX812LEUS+T** is a **low-power microprocessor (μP) supervisory circuit** designed to monitor system power supply voltages.  
- It provides a **reset signal** to the microprocessor when the supply voltage drops below a preset threshold, ensuring proper system operation.  
- Available in a **SOT-143-4 package**.

### **Key Features:**  
1. **Voltage Monitoring:**  
   - Monitors **3.3V, 5V, or adjustable voltage** supplies.  
   - **Reset threshold options** (e.g., 4.63V, 4.38V, 3.08V, 2.93V, or adjustable).  

2. **Reset Output:**  
   - **Active-low RESET output** (asserted when VCC falls below threshold).  
   - **140ms (min) reset timeout delay** after VCC rises above threshold.  

3. **Low Power Consumption:**  
   - **6μA (typ) supply current** for power efficiency.  

4. **Manual Reset Input:**  
   - Includes a **manual reset (MR) input** for external reset triggering.  

5. **Wide Operating Range:**  
   - **1.2V to 5.5V operating voltage range**.  

6. **Temperature Range:**  
   - **Industrial temperature range (-40°C to +85°C)**.  

7. **Package:**  
   - **SOT-143-4 (small-outline transistor package)**.  

### **Applications:**  
- Microprocessor and microcontroller power monitoring.  
- Embedded systems, industrial controls, and automotive electronics.  
- Battery-powered devices requiring reliable reset functionality.  

### **Key Specifications:**  
- **Reset Threshold Accuracy:** ±1.5% (typ).  
- **Output Type:** Push-Pull (active-low RESET).  
- **Lead-Free & RoHS Compliant**.  

For exact threshold options and detailed electrical characteristics, refer to the **official datasheet**.  

Would you like additional details on pin configuration or application notes?

Application Scenarios & Design Considerations

4-Pin µP Voltage Monitors with Manual Reset Input

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