Overview
The MC33064SN-5T1G is an undervoltage sensing circuit designed by ON Semiconductor, specifically for use as a reset controller in microprocessor-based systems. This component offers an economical solution for low voltage detection, utilizing 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 a 5-pin TSOP-5 surface mount package, making it suitable for various applications requiring compact and reliable voltage monitoring.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Input Supply Voltage | -1.0 to 10 | V |
| Reset Output Voltage | 10 | V |
| Reset Output Sink Current | Internally Limited | mA |
| Clamp Diode Forward Current (Reset to Input Pin) | 100 | mA |
| Operating Temperature Range | 0°C to +70°C (MC), -40°C to +125°C (NCV) | °C |
| Comparator Threshold at 25°C | 4.6 | V |
| Package Type | 5-pin TSOP-5 | |
| Standby Current | Low |
Key Features
- Trimmed-in-package temperature compensated reference
- Comparator with precise thresholds and built-in hysteresis to prevent erratic reset operation
- Reset output capable of sinking in excess of 10 mA
- Internal clamp diode for discharging delay capacitor
- Guaranteed reset operation with 1.0 V input
- Low standby current
- Economical TO-92, TSOP-5, SOIC-8, and Micro8 surface mount packages
- NCV prefix for automotive and other applications requiring site and control changes
- Pb-free and RoHS compliant packages
Applications
The MC33064SN-5T1G is used in various applications including:
- Direct monitoring of the 5.0 V MPU/logic power supply in appliances
- Automotive systems
- Consumer electronics
- Industrial equipment
Q & A
- What is the primary function of the MC33064SN-5T1G?
The MC33064SN-5T1G is an undervoltage sensing circuit designed to act as a reset controller in microprocessor-based systems.
- What types of packages are available for the MC33064?
The MC33064 is available in 3-pin TO-92, micro size TSOP-5, 8-pin SOIC-8, and Micro8 surface mount packages.
- What is the comparator threshold voltage at 25°C?
The comparator threshold voltage at 25°C is 4.6 V.
- What is the minimum input voltage for guaranteed reset operation?
The minimum input voltage for guaranteed reset operation is 1.0 V.
- Is the MC33064SN-5T1G Pb-free and RoHS compliant?
- What is the purpose of the internal clamp diode?
The internal clamp diode is used for discharging the delay capacitor.
- What is the maximum reset output sink current?
The reset output is capable of sinking in excess of 10 mA.
- What are the typical applications of the MC33064SN-5T1G?
Typical applications include monitoring the 5.0 V MPU/logic power supply in appliances, automotive systems, consumer electronics, and industrial equipment.
- What is the operating temperature range for the MC33064?
The operating temperature range for the MC33064 is 0°C to +70°C, and for the NCV33064, it is -40°C to +125°C.
- How does the comparator hysteresis prevent erratic reset operations?
The comparator hysteresis prevents erratic reset operations by ensuring that the reset signal is stable and not oscillating due to minor voltage fluctuations.
