Overview
The MC78L05ABPG, part of the MC78L00A Series, is a positive voltage regulator produced by onsemi. This device is designed to provide a regulated output voltage of 5.0 volts with a maximum current of 100 mA. It is known for its ease of use, low cost, and robust performance, making it suitable for a wide range of applications that require a stable voltage supply.
The regulator features internal current limiting and thermal shutdown, enhancing its ruggedness and reliability. It offers significant performance improvements over traditional zener diode-resistor combinations by reducing output impedance and quiescent current.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | 4.8 | 5.0 | 5.2 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | - | - | 55 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | - | - | 60 | mV |
| Input Bias Current (TJ = +25°C) | - | - | 6.0 | mA |
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | - | - | 40 | μV |
| Ripple Rejection (IO = 40 mA, f = 120 Hz, 8.0 Vdc ≤ VI ≤ 18 V, TJ = +25°C) | 41 | 49 | - | dB |
| Dropout Voltage (TJ = +25°C) | - | - | 1.7 | Vdc |
| Maximum Junction Temperature | - | - | 150 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
| ESD Capability, Human Body Model | - | - | 2000 | V |
Key Features
- Internal Current Limiting and Thermal Shutdown: Enhances the device's ruggedness and reliability by protecting against excessive power overload and short circuit conditions.
- No External Components Required: In many applications, no additional components are needed, simplifying the design and reducing component count.
- Low Output Impedance and Quiescent Current: Offers improved performance compared to traditional zener diode-resistor combinations.
- High Ripple Rejection: Provides effective filtering of input voltage ripples, ensuring a stable output voltage.
- Compact Packages: Available in SOIC-8 and TO-92 packages, making it suitable for various board layouts and space constraints.
Applications
The MC78L05ABPG is versatile and can be used in a variety of applications, including:
- Consumer Electronics: Suitable for use in low-power consumer devices such as audio equipment, calculators, and other portable electronics.
- Industrial Control Systems: Can be used in control circuits, sensors, and other industrial automation components.
- Automotive Systems: The NCV prefix versions are designed for automotive and other applications requiring strict quality and reliability standards.
- Medical Devices: Applicable in medical equipment where stable and regulated voltage is crucial.
Q & A
- What is the output voltage of the MC78L05ABPG?
The output voltage of the MC78L05ABPG is 5.0 volts.
- What is the maximum current output of the MC78L05ABPG?
The maximum current output is 100 mA.
- Does the MC78L05ABPG require external components for operation?
In many applications, no external components are required, but capacitors may be needed for stability and transient response improvement.
- What are the key protection features of the MC78L05ABPG?
The device features internal current limiting and thermal shutdown.
- What is the ripple rejection of the MC78L05ABPG?
The ripple rejection is typically 41 to 49 dB at 120 Hz.
- What is the dropout voltage of the MC78L05ABPG?
The dropout voltage is approximately 1.7 volts.
- What are the available package types for the MC78L05ABPG?
The device is available in SOIC-8 and TO-92 packages.
- What is the maximum junction temperature for the MC78L05ABPG?
The maximum junction temperature is 150°C.
- Does the MC78L05ABPG have ESD protection?
Yes, the device has ESD protection with a Human Body Model rating of 2000 V.
- What are some common applications for the MC78L05ABPG?
Common applications include consumer electronics, industrial control systems, automotive systems, and medical devices.
