Overview
The MC33164P-5RAG is a supervisory circuit developed by ON Semiconductor, designed to protect sensitive circuits from undervoltage conditions. This device is part of the MC33164 series, which are micropower undervoltage sensing circuits. It is particularly useful in systems where low voltage detection and reset control are crucial, such as in portable microprocessor-based systems. The MC33164P-5RAG is packaged in a 3-pin TO-92 package and is known for its low power consumption and precise voltage thresholds.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Threshold Voltage (High State Output) | 4.15 | 4.33 | 4.45 | V |
| Input Supply Voltage | 1.0 | - | 10 | V |
| Reset Output Sink Current | - | - | 6.0 | mA |
| Power Dissipation | - | - | 700 | mW |
| Operating Ambient Temperature Range | -40 | - | 125 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
| Package Type | - | - | TO-92-3 | - |
| Lead Shape | - | - | Through Hole | - |
Key Features
- Temperature Compensated Reference: Ensures stable operation over a wide temperature range.
- Precise Comparator Thresholds: Guaranteed over temperature to prevent erratic reset operations.
- Comparator Hysteresis: Prevents oscillations and ensures stable reset signals.
- Reset Output Capable of Sinking in Excess of 6.0 mA: Suitable for driving various loads.
- Internal Clamp Diode: For discharging delay capacitors.
- Guaranteed Reset Operation With 1.0 V Input: Ensures functionality even at low input voltages.
- Extremely Low Standby Current: As low as 9.0 µA, ideal for battery-powered devices.
- Economical Packaging Options: Available in TO-92, TSOP-5, SOIC-8, and Micro8 packages.
- Pb-Free and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
Applications
The MC33164P-5RAG is suitable for a variety of applications, including:
- Portable Microprocessor-Based Systems: Where extended battery life and low voltage detection are critical.
- Consumer Electronics: Such as appliances and handheld devices.
- Automotive Systems: Particularly those requiring site and change control, marked with the NCV prefix.
- Industrial Equipment: Where reliable voltage monitoring is essential.
Q & A
- What is the primary function of the MC33164P-5RAG?
The primary function of the MC33164P-5RAG is to monitor the input voltage and generate a reset signal when the voltage falls below a specified threshold, protecting the system from undervoltage conditions.
- What is the typical reset threshold voltage for the MC33164P-5RAG?
The typical reset threshold voltage for the MC33164P-5RAG is 4.33 V, with a minimum of 4.15 V and a maximum of 4.45 V.
- What is the maximum power dissipation of the MC33164P-5RAG?
The maximum power dissipation of the MC33164P-5RAG is 700 mW.
- What is the operating ambient temperature range for the MC33164P-5RAG?
The operating ambient temperature range for the MC33164P-5RAG is -40°C to 125°C.
- What type of packaging is the MC33164P-5RAG available in?
The MC33164P-5RAG is available in a 3-pin TO-92 package.
- Is the MC33164P-5RAG Pb-Free and RoHS Compliant?
Yes, the MC33164P-5RAG is Pb-Free and RoHS Compliant.
- What is the minimum input supply voltage for the MC33164P-5RAG?
The minimum input supply voltage for the MC33164P-5RAG is 1.0 V.
- What is the maximum reset output sink current for the MC33164P-5RAG?
The maximum reset output sink current for the MC33164P-5RAG is in excess of 6.0 mA.
- Does the MC33164P-5RAG have an internal clamp diode?
Yes, the MC33164P-5RAG has an internal clamp diode for discharging delay capacitors.
- What are some common applications for the MC33164P-5RAG?
Common applications include portable microprocessor-based systems, consumer electronics, automotive systems, and industrial equipment.
