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IMP809SEUR-T from IMP

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IMP809SEUR-T

Manufacturer: IMP

3-Pin Microcontroller Power Supply Supervisor

Partnumber Manufacturer Quantity Availability
IMP809SEUR-T,IMP809SEURT IMP 174400 In Stock

Description and Introduction

3-Pin Microcontroller Power Supply Supervisor The IMP809SEUR-T is a microprocessor supervisory circuit manufactured by IMP (Integrated Micro Products). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
- **IMP (Integrated Micro Products)**  

### **Specifications:**  
- **Type:** Microprocessor Supervisory Circuit  
- **Function:** Monitors system voltage and provides a reset signal to the microprocessor during power-up, power-down, or brownout conditions.  
- **Reset Threshold Voltage:** Adjustable or fixed (specific value depends on variant).  
- **Reset Timeout Period:** Typically 140ms (exact value may vary).  
- **Operating Voltage Range:** 1.8V to 5.5V (typical).  
- **Quiescent Current:** Low (exact value depends on variant).  
- **Output Type:** Active-low or active-high reset (depends on variant).  
- **Package:** SOT-23 (3-lead or 5-lead, depending on variant).  
- **Operating Temperature Range:** -40°C to +85°C (industrial grade).  

### **Descriptions:**  
- The IMP809SEUR-T is designed to ensure proper microprocessor operation by monitoring the power supply and asserting a reset signal when voltage falls below a specified threshold.  
- It is commonly used in embedded systems, industrial controls, and battery-powered applications.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **Small Form Factor:** Available in compact SOT-23 packages.  
- **Manual Reset Input:** Allows external reset triggering (if applicable).  
- **Wide Operating Voltage Range:** Supports various power supply levels.  

For exact threshold voltages, timeout periods, and pin configurations, refer to the official datasheet from IMP.

Application Scenarios & Design Considerations

3-Pin Microcontroller Power Supply Supervisor

Alternative Part Number

  • MAX809SEUR+T --: Pin-compatible 3-pin SOT-23 microprocessor reset supervisor with the same active-low reset and 2.93V threshold, widely available and a direct functional drop-in.
  • MCP809T-315E/TT --: SOT-23 reset supervisor with comparable reset threshold and active-low output, suitable replacement with good availability and similar electrical behavior.
  • APX809S-31SA-7 --: Low-cost SOT-23 voltage supervisor with equivalent reset function and threshold, offering a cost-effective alternative from a different series.

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