Overview
The MC34064P-5RP, produced by onsemi, is an undervoltage sensing circuit designed 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 MC34064P-5RP is suitable for various applications, including monitoring power supplies in appliances, automotive, consumer, and industrial equipment.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Power Input Supply Voltage | Vin | -1.0 to 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 Junction Temperature | TJ | +150 | °C |
| Operating Ambient Temperature | TA | 0 to +70 | °C |
| Storage Temperature Range | Tstg | -65 to +150 | °C |
| Comparator Threshold Voltage (High State Output) | VIH | 4.61 | V |
| Comparator Threshold Voltage (Low State Output) | VIL | 4.59 | V |
| Comparator Hysteresis | VH | 0.02 | V |
| Output Sink Saturation Voltage | VOL | 0.46 (Vin = 4.0 V, ISink = 8.0 mA) | V |
| Quiescent Input Current | Iin | 390 to 500 | μA |
Key Features
- Trimmed-in-package temperature compensated reference
- Comparator with precise thresholds and built-in hysteresis to prevent erratic reset operations
- 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
- Pb-free and RoHS compliant packages
- NCV prefix for automotive and other applications requiring site and control changes
Applications
The MC34064P-5RP 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 MC34064P-5RP?
The MC34064P-5RP is an undervoltage sensing circuit designed for use as a reset controller in microprocessor-based systems.
- What types of packages are available for the MC34064P-5RP?
The device is available in TO-92, TSOP-5, SOIC-8, and Micro8 surface mount packages.
- What is the operating ambient temperature range for the MC34064P-5RP?
The operating ambient temperature range is 0°C to +70°C.
- What is the comparator threshold voltage at 25°C?
The comparator threshold voltage is approximately 4.6 V at 25°C.
- How much current can the reset output sink?
The reset output is capable of sinking in excess of 10 mA.
- Is the MC34064P-5RP Pb-free and RoHS compliant?
- What is the purpose of the NCV prefix in some versions of this device?
The NCV prefix is for automotive and other applications requiring site and control changes.
- What is the minimum input voltage for guaranteed reset operation?
The device guarantees reset operation with an input voltage as low as 1.0 V.
- What is the quiescent input current of the MC34064P-5RP?
The quiescent input current is between 390 μA and 500 μA at Vin = 5.0 V.
- Is the MC34064P-5RP still in production?
No, the MC34064P-5RP is no longer manufactured and is considered obsolete.
