Overview
The MC33064DM-5R2 is an undervoltage sensing circuit designed by onsemi, specifically for use as a reset controller in microprocessor-based systems. This device is part of the MC33064 series, which includes variants like the MC34064 and NCV33064, tailored for different operating temperature ranges and applications. The MC33064DM-5R2 is particularly suited for applications requiring precise undervoltage detection and reset functionality.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Comparator Threshold Voltage (High State Output) | 4.61 | V |
| Comparator Threshold Voltage (Low State Output) | 4.59 | V |
| Hysteresis | 0.02 | V |
| Reset Output Sink Current | 10 mA (min), 27 mA (typ), 60 mA (max) | mA |
| Output Sink Saturation Voltage | 0.46 V (at ISink = 8.0 mA) | V |
| Operating Input Voltage Range | 1.0 to 6.5 | V |
| Quiescent Input Current | 390 μA (typ), 500 μA (max) | μA |
| Operating Ambient Temperature | -40°C to +85°C | °C |
| Storage Temperature Range | -65°C to +150°C | °C |
| Package Type | Micro8 | |
| Lead Free Status / RoHS Status | Pb-Free, RoHS Compliant |
Key Features
- Trimmed-In-Package Temperature Compensated Reference: Ensures precise comparator thresholds over a wide temperature range.
- Precise Comparator Thresholds: Guaranteed over the operating temperature range.
- Comparator Hysteresis: Prevents erratic reset operations.
- Reset Output Capable of Sinking in Excess of 10 mA: Supports high current sink requirements.
- Internal Clamp Diode for Discharging Delay Capacitor: Facilitates smooth operation with external capacitors.
- Guaranteed Reset Operation with 1.0 V Input: Ensures reliable reset functionality even at low input voltages.
- Low Standby Current: Minimizes power consumption in standby mode.
- Economical Packaging Options: Available in TO-92, TSOP-5, SOIC-8, and Micro8 surface mount packages.
- Pb-Free and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
Applications
- Microprocessor-Based Systems: Ideal for reset control in various microprocessor applications.
- Power Supply Monitoring: Used in power supplies for appliances, automotive, consumer, and industrial equipment.
- Solar Powered Battery Chargers: Ensures proper voltage monitoring and reset functionality in solar-powered systems.
- Low Power Switching Regulators: Helps in maintaining stable operation in low power switching regulator circuits.
- MOSFET Low Voltage Gate Drive Protection: Prevents overheating of MOSFETs by ensuring sufficient gate voltage.
Q & A
- What is the primary function of the MC33064DM-5R2?
The MC33064DM-5R2 is an undervoltage sensing circuit designed to act as a reset controller in microprocessor-based systems.
- What is the comparator threshold voltage for the MC33064DM-5R2?
The comparator threshold voltage is 4.61 V for the high state output and 4.59 V for the low state output at 25°C.
- What is the hysteresis of the comparator in the MC33064DM-5R2?
The comparator hysteresis is 0.02 V, which prevents erratic reset operations.
- What is the maximum reset output sink current of the MC33064DM-5R2?
The reset output can sink up to 60 mA of current.
- What are the operating temperature ranges for the MC33064DM-5R2?
The operating ambient temperature range is -40°C to +85°C.
- Is the MC33064DM-5R2 Pb-Free and RoHS Compliant?
- What types of packages are available for the MC33064DM-5R2?
The device is available in Micro8 surface mount packages, among other options like TO-92, TSOP-5, and SOIC-8.
- What is the quiescent input current of the MC33064DM-5R2?
The quiescent input current is typically 390 μA and maximally 500 μA at 5.0 V input.
- Can the MC33064DM-5R2 operate with low input voltages?
- What is the purpose of the internal clamp diode in the MC33064DM-5R2?
The internal clamp diode is used for discharging delay capacitors, ensuring smooth operation with external capacitors.
