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MC33064D-5R2 from MOTOROLA

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MC33064D-5R2

Manufacturer: MOTOROLA

UnderVoltage Sensing Circuit
Partnumber Manufacturer Quantity Availability
MC33064D-5R2,MC33064D5R2 MOTOROLA 100 In Stock

Description and Introduction

UnderVoltage Sensing Circuit The MC33064D-5R2 is a voltage monitor IC manufactured by Motorola.  

### **Specifications:**  
- **Type:** Undervoltage Monitor  
- **Operating Voltage Range:** 1.6V to 5.5V  
- **Threshold Voltage:** 5.2V (fixed)  
- **Accuracy:** ±2%  
- **Supply Current:** 150µA (typical)  
- **Output Type:** Open Collector  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TO-226 (TO-92 variant)  

### **Descriptions and Features:**  
- Designed for power supply monitoring in automotive, industrial, and consumer applications.  
- Provides a reset signal when the supply voltage drops below the threshold.  
- Open-collector output allows flexibility in interfacing with different logic levels.  
- Low standby current consumption for energy-efficient operation.  
- Built-in hysteresis for noise immunity.  
- Suitable for battery-powered and critical voltage monitoring applications.  

This IC ensures system reliability by preventing operation outside safe voltage levels.

Application Scenarios & Design Considerations

UnderVoltage Sensing Circuit

Alternative Part Number

  • MC34064D-5R2G --: ON Semiconductor's direct successor to the Motorola MC33064 series; same undervoltage sensing function and 5V threshold in an SOIC-8 package, widely available and pin-compatible.
  • MCP131-450E/TO --: Voltage supervisor with 4.5V/5V-class threshold in a small package, suitable as a functional replacement for supply monitoring where exact threshold tolerance is acceptable.
  • TL7705ACD --: Classic 5V supply voltage supervisor in SOIC-8, offering reset output and programmable delay, a common cross-series substitute for 5V undervoltage detection.

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