Overview
The MC34064P-5RMG, produced by onsemi, is an undervoltage sensing circuit designed specifically 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 operation. The device is suitable for various applications, including direct monitoring of power supplies in appliances, automotive, consumer, and industrial equipment.
Key Specifications
| Characteristic | 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 | ||
| Comparator Threshold Voltage High State Output | VIH | 4.59 | 4.61 | 4.63 | V |
| Comparator Threshold Voltage Low State Output | VIL | 4.55 | 4.57 | 4.59 | V |
| Hysteresis | 0.01 | 0.02 | 0.05 | V | |
| Operating Input Voltage Range | Vin | 1.0 | 6.5 | V | |
| Quiescent Input Current | Iin | 390 | 500 | μA | |
| Operating Ambient Temperature | TA | 0 | 70 | °C |
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 packaging options including TO-92, TSOP-5, SOIC-8, and Micro8 surface mount packages
- Pb-free and RoHS compliant
Applications
The MC34064P-5RMG is used in various applications requiring undervoltage sensing and reset control, such as:
- Direct monitoring of 5.0 V MPU/logic power supplies in appliances
- Automotive systems
- Consumer electronics
- Industrial equipment
Q & A
- What is the primary function of the MC34064P-5RMG?
The MC34064P-5RMG is an undervoltage sensing circuit designed to act as a reset controller in microprocessor-based systems.
- What are the key packaging options for the MC34064P-5RMG?
The device is available in TO-92, TSOP-5, SOIC-8, and Micro8 surface mount packages.
- What is the operating input voltage range for the MC34064P-5RMG?
The operating input voltage range is from 1.0 V to 6.5 V.
- What is the typical quiescent input current of the MC34064P-5RMG?
The typical quiescent input current is 390 μA.
- Is the MC34064P-5RMG Pb-free and RoHS compliant?
- What is the comparator threshold voltage for the high state output?
The comparator threshold voltage for the high state output is typically 4.61 V.
- What is the hysteresis of the comparator?
The hysteresis of the comparator is typically 0.02 V.
- What is the maximum reset output sink current?
The reset output is capable of sinking in excess of 10 mA.
- What is the operating ambient temperature range for the MC34064P-5RMG?
The operating ambient temperature range is from 0°C to 70°C.
- Can the MC34064P-5RMG be used in automotive applications?
