Overview
The MC34064P-005, produced by onsemi, is an undervoltage sensing circuit designed specifically for use as a reset controller in microprocessor-based systems. This component provides 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 operations. The device is packaged in a 3-pin TO-92 configuration, making it suitable for various applications requiring precise voltage control.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Mfr | onsemi | Series | - |
| Product Status | Obsolete | Programmable | Not Verified |
| Type | Simple Reset/Power-On Reset | Number of Voltages Monitored | 1 |
| Voltage - Threshold | 4.6V | Output | Open Drain or Open Collector |
| Reset | Active Low | Reset Timeout | - |
| Operating Temperature | 0°C ~ 70°C (TA) | Mounting Type | Through Hole |
| Minimum Reset Threshold Voltage | 4.59 V | Typical Reset Threshold Voltage | 4.61 V |
| Maximum Reset Threshold Voltage | 4.7 V | Output Sink Saturation Voltage | 0.46 V (Vin = 4.0 V, ISink = 8.0 mA) |
| Output Sink Current | 10 mA (Vin, Reset = 4.0 V) | Output Off-State Leakage | 0.02 μA (Vin, Reset = 5.0 V) |
| Operating Input Voltage Range | 1.0 to 6.5 V | Quiescent Input Current | 390 μA (Vin = 5.0 V) |
Key Features
- Trimmed-In-Package Temperature Compensated Reference: Ensures precise voltage detection and stability across temperature variations.
- Precise Thresholds and Built-In Hysteresis: Prevents erratic reset operations and ensures reliable performance.
- Open Collector Reset Output: Capable of sinking in excess of 10 mA, ensuring robust reset functionality.
- Low Standby Current: Guaranteed operation down to 1.0 V input with low standby current, making it energy-efficient.
- Compact Packaging: Available in 3-pin TO-92, micro size TSOP-5, 8-pin SOIC-8, and Micro8 surface mount packages, offering flexibility in design.
Applications
The MC34064P-005 is suitable for a variety of applications, including:
- Appliance and Consumer Electronics: Direct monitoring of power supplies in household appliances and consumer devices.
- Automotive Systems: Monitoring of power supplies in automotive electronics to ensure reliable operation.
- Industrial Equipment: Used in industrial control systems and machinery to monitor and control power supplies.
Q & A
- What is the primary function of the MC34064P-005?
The MC34064P-005 is an undervoltage sensing circuit designed to act as a reset controller in microprocessor-based systems.
- What is the typical reset threshold voltage of the MC34064P-005?
The typical reset threshold voltage is 4.61 V.
- What is the operating temperature range of the MC34064P-005?
The operating temperature range is 0°C to 70°C (TA).
- What type of output does the MC34064P-005 have?
The output is an open drain or open collector.
- What is the maximum output sink current of the MC34064P-005?
The maximum output sink current is 10 mA (Vin, Reset = 4.0 V).
- What is the quiescent input current of the MC34064P-005?
The quiescent input current is 390 μA (Vin = 5.0 V).
- In what packages is the MC34064P-005 available?
The MC34064P-005 is available in 3-pin TO-92, micro size TSOP-5, 8-pin SOIC-8, and Micro8 surface mount packages.
- What are some common applications of the MC34064P-005?
Common applications include appliance and consumer electronics, automotive systems, and industrial equipment.
- Is the MC34064P-005 RoHS compliant?
Yes, the MC34064P-005 is RoHS compliant.
- What is the storage temperature range for the MC34064P-005?
The storage temperature range is -65°C to +150°C.
