Overview
The MC33064P-5RPG 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 the use of 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 MC33064P-5RPG is capable of operating down to 1.0 V input with low standby current and has an open collector reset output that can sink in excess of 10 mA.
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 | 100 | mA |
| Comparator Threshold at 25°C | 4.6 | V |
| Minimum Operating Temperature | -40 | °C |
| Maximum Operating Temperature | +85 | °C |
| Package Type | TO-92 | |
| Standby Current | Low |
Key Features
- Trimmed-In-Package Temperature Compensated Reference
- Comparator Threshold of 4.6 V at 25°C with precise thresholds guaranteed over temperature
- Comparator 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, SOIC-8, Micro-8, and SOT-23/TSOP-5 Surface Mount Packages
- Pb-Free Packages are Available
Applications
The MC33064P-5RPG is used for direct monitoring of the 5.0 V MPU/logic power supply in various applications, including:
- Appliance equipment
- Automotive systems
- Consumer electronics
- Industrial equipment
Q & A
- What is the primary function of the MC33064P-5RPG?
The MC33064P-5RPG is an undervoltage sensing circuit designed to act as a reset controller in microprocessor-based systems.
- What is the minimum input voltage for guaranteed reset operation?
The device guarantees reset operation down to 1.0 V input.
- What is the comparator threshold voltage at 25°C?
The comparator threshold voltage at 25°C is 4.6 V.
- What is the maximum reset output sink current?
The reset output can sink in excess of 10 mA.
- What types of packages are available for the MC33064P-5RPG?
The device is available in TO-92, SOIC-8, Micro-8, and SOT-23/TSOP-5 surface mount packages.
- Is the MC33064P-5RPG Pb-Free and RoHS compliant?
- What is the operating temperature range for the MC33064P-5RPG?
The operating temperature range is from -40°C to +85°C.
- What is the purpose of the internal clamp diode?
The internal clamp diode is used for discharging the delay capacitor.
- Can the MC33064P-5RPG be used in automotive applications?
- How does the comparator hysteresis prevent erratic reset operation?
The built-in hysteresis in the comparator prevents erratic reset operation by ensuring that the reset signal is stable and not triggered by minor voltage fluctuations.
