Overview
The MC33064P-5G, 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 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.
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 | ||
| Clamp Diode Forward Current, Reset to Input Pin | IF | 100 | mA | ||
| Operating Junction Temperature | TJ | +150 | °C | ||
| Operating Ambient Temperature | TA | -40 | +85 | °C | |
| Storage Temperature Range | Tstg | -65 | +150 | °C | |
| Comparator Threshold Voltage High State Output | VIH | 4.59 | 4.61 | 4.7 | V |
| Comparator Threshold Voltage Low State Output | VIL | 4.5 | 4.6 | 4.7 | V |
| Comparator Hysteresis | 0.01 | 0.02 | 0.05 | V | |
| Reset Output Sink Saturation (Vin = 4.0 V, ISink = 8.0 mA) | VOL | 0.15 | 0.46 | V | |
| Output Off-State Leakage (Vin, Reset = 5.0 V) | IOH | 0.02 | 0.5 | μA | |
| Clamp Diode Forward Voltage, Reset to Input Pin (IF = 10 mA) | VF | 0.6 | 0.9 | 1.2 | V |
| Quiescent Input Current (Vin = 5.0 V) | Iin | 390 | 500 | μA |
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
- Pb-free and RoHS compliant
- NCV prefix for automotive and other applications requiring site and change control
Applications
The MC33064P-5G is suitable for 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 MC33064P-5G?
The MC33064P-5G is an undervoltage sensing circuit designed for use as a reset controller in microprocessor-based systems.
- What is the operating ambient temperature range for the MC33064P-5G?
The operating ambient temperature range is -40°C to +85°C.
- What is the minimum input voltage for guaranteed reset operation?
The minimum input voltage for guaranteed reset operation is 1.0 V.
- What is the maximum reset output sink current?
The reset output can sink in excess of 10 mA.
- Does the MC33064P-5G have built-in hysteresis?
Yes, the comparator has built-in hysteresis to prevent erratic reset operation.
- What are the available package types for the MC33064P-5G?
The device is available in TO-92, TSOP-5, SOIC-8, and Micro8 surface mount packages.
- Is the MC33064P-5G Pb-free and RoHS compliant?
Yes, the device is Pb-free and RoHS compliant.
- What is the purpose of the NCV prefix in the MC33064P-5G?
The NCV prefix is for automotive and other applications requiring site and change control.
- How does the internal clamp diode function in the MC33064P-5G?
The internal clamp diode is used for discharging the delay capacitor.
- What is the typical quiescent input current of the MC33064P-5G at 5.0 V input?
The typical quiescent input current is 390 μA.
