Overview
The MC34064P-5G is an undervoltage sensing circuit designed by onsemi, specifically for use as a reset controller in microprocessor-based systems. This device offers an economical solution for low voltage detection with a single external resistor. It features a trimmed-in-package bandgap reference and a comparator with precise thresholds and built-in hysteresis to prevent erratic reset operations. The MC34064P-5G is packaged in a 3-pin TO-92 through-hole package, making it suitable for a variety of applications including appliance, automotive, consumer, and industrial equipment.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Input Supply Voltage | 1.0 to 6.5 | V |
| Reset Threshold Voltage | 4.5 to 4.7 | V |
| Reset Output Type | Open Collector | |
| Active Logical Level | Low | |
| Maximum Output Current | 60 | mA |
| Operating Temperature Range | 0 to 70 | °C |
| Package Type | TO-92 | |
| Mounting Type | Through Hole | |
| Maximum Power Dissipation | 625 | mW |
| Quiescent Input Current (Vin = 5.0 V) | 390 to 500 | μA |
Key Features
- Trimmed-In-Package Temperature Compensated Reference: Ensures precise voltage detection across a range of temperatures.
- Precise Comparator Thresholds: Guaranteed over the operating temperature range with built-in hysteresis to prevent erratic reset operations.
- Open Collector Reset Output: Capable of sinking in excess of 10 mA, ensuring robust reset functionality.
- Internal Clamp Diode: For discharging delay capacitors, enhancing the reliability of the reset function.
- Low Standby Current: Minimizes power consumption when the device is in standby mode.
- Economical Packaging Options: Available in TO-92, TSOP-5, SOIC-8, and Micro8 surface mount packages.
- Pb-Free and RoHS Compliant: Ensures environmental compliance and safety.
Applications
The MC34064P-5G is versatile and can be used in various applications, including:
- Appliance Equipment: Monitoring power supplies in household and commercial appliances.
- Automotive Systems: Ensuring reliable operation of automotive electronics, especially those requiring site and change control (NCV prefix).
- Consumer Electronics: Protecting microprocessor-based systems in consumer devices from voltage fluctuations.
- Industrial Equipment: Monitoring and resetting logic power supplies in industrial control systems and machinery.
Q & A
- What is the primary function of the MC34064P-5G?
The MC34064P-5G is an undervoltage sensing circuit designed to act as a reset controller in microprocessor-based systems, detecting low voltage conditions and initiating a reset when necessary.
- What is the reset threshold voltage of the MC34064P-5G?
The reset threshold voltage is between 4.5 V and 4.7 V.
- What type of reset output does the MC34064P-5G have?
The MC34064P-5G has an open collector reset output.
- What is the maximum output current of the MC34064P-5G?
The maximum output current is 60 mA.
- What is the operating temperature range of the MC34064P-5G?
The operating temperature range is from 0°C to 70°C.
- What type of package does the MC34064P-5G come in?
The MC34064P-5G is packaged in a 3-pin TO-92 through-hole package.
- Is the MC34064P-5G Pb-Free and RoHS compliant?
Yes, the MC34064P-5G is Pb-Free and RoHS compliant.
- What are some common applications of the MC34064P-5G?
Common applications include appliance, automotive, consumer, and industrial equipment.
- What is the maximum power dissipation of the MC34064P-5G?
The maximum power dissipation is 625 mW.
- What is the quiescent input current of the MC34064P-5G at 5.0 V input voltage?
The quiescent input current is between 390 μA and 500 μA.
