Overview
The MC33064D-5G, produced by onsemi, is a processor supervisor and undervoltage sensing circuit designed for use as a reset controller in microprocessor-based systems. This component 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 device is packaged in an 8-pin SOIC-8 surface mount package, making it suitable for various applications requiring compact and reliable voltage monitoring.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Power Input Supply Voltage | Vin | -1.0 | 10 | V | |
| Reset Output Voltage | VO | 10 | V | ||
| Reset Output Sink Current | ISink | Internally Limited | mA | ||
| Clamp Diode Forward Current, Reset to Input Pin | IF | 100 | mA | ||
| Operating Ambient Temperature | TA | -40 | +85 | °C | |
| Storage Temperature Range | Tstg | -65 | +150 | °C | |
| Threshold Voltage (High State Output) | VIH | 4.5 | 4.61 | 4.7 | V |
| Threshold Voltage (Low State Output) | VIL | 4.5 | 4.59 | 4.7 | V |
| Hysteresis | VH | 0.01 | 0.02 | 0.05 | V |
| Quiescent Input Current (Vin = 5.0 V) | Iin | 390 | 500 | μA |
Key Features
- Trimmed-In-Package Temperature Compensated Reference: Ensures precise voltage detection across various temperatures.
- Precise Comparator Thresholds: Guaranteed over the operating temperature range to prevent erratic reset operations.
- Comparator Hysteresis: Prevents oscillations and ensures stable reset signals.
- Open Collector Reset Output: Capable of sinking in excess of 10 mA, suitable for driving external loads.
- Internal Clamp Diode: For discharging delay capacitors.
- Guaranteed Reset Operation with 1.0 V Input: Ensures functionality even at low input voltages.
- Low Standby Current: Minimizes power consumption in standby mode.
- Economical and Compact Packaging: Available in SOIC-8 and other surface mount packages.
- Pb-Free and RoHS Compliant: Suitable for applications requiring environmental compliance.
Applications
The MC33064D-5G is widely used in various applications, including:
- Appliance and Consumer Electronics: For monitoring and resetting microprocessor-based systems.
- Automotive Systems: Especially with the NCV prefix, which is designed for automotive and other applications requiring site and change control.
- Industrial Equipment: For reliable voltage monitoring and reset functionality in industrial settings.
- Microprocessor-Based Systems: Direct monitoring of the 5.0 V power supply used in these systems.
Q & A
- What is the primary function of the MC33064D-5G?
The MC33064D-5G is an undervoltage sensing circuit designed to act as a reset controller in microprocessor-based systems.
- What is the typical reset threshold voltage of the MC33064D-5G?
The typical reset threshold voltage is 4.61 V.
- What is the maximum reset output sink current of the MC33064D-5G?
The reset output can sink in excess of 10 mA.
- What are the operating temperature ranges for the MC33064D-5G?
The operating ambient temperature range is -40°C to +85°C.
- Is the MC33064D-5G RoHS compliant?
- What types of packages are available for the MC33064D-5G?
The device is available in 8-pin SOIC-8 and other surface mount packages.
- What is the quiescent input current of the MC33064D-5G at 5.0 V input?
The quiescent input current is typically 390 μA.
- Can the MC33064D-5G operate at low input voltages?
- What is the purpose of the internal clamp diode in the MC33064D-5G?
The internal clamp diode is used for discharging delay capacitors.
- What are some common applications of the MC33064D-5G?
