Overview
The MC78L12ABDR2 is a positive voltage regulator produced by onsemi. This component is part of the MC78L00A series, which is known for its reliability and performance in various electronic systems. The MC78L12ABDR2 specifically provides a regulated output voltage of 12V and can handle a maximum current of 100 mA. It is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) and is suitable for applications requiring stable voltage regulation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | 11.5 | 12 | 12.5 | Vdc |
| Input Voltage Range | 14.5 | - | 27 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | 100 | - | 250 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA) | 10 | - | 100 | mV |
| Input Bias Current (TJ = +25°C) | 4.2 | - | 6.5 | mA |
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | - | - | 80 | μV |
| Ripple Rejection (IO = 40 mA, f = 120 Hz, 15 V ≤ VI ≤ 25 V, TJ = +25°C) | 37 | - | 42 | dB |
| Dropout Voltage (TJ = +25°C) | - | - | 1.7 | Vdc |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- Stable Output Voltage: The MC78L12ABDR2 provides a stable output voltage of 12V, making it suitable for applications requiring precise voltage regulation.
- High Current Capability: It can handle a maximum current of 100 mA, which is adequate for a variety of electronic systems.
- Low Dropout Voltage: The component has a dropout voltage of 1.7 V, ensuring efficient operation even when the input voltage is close to the output voltage.
- Good Line and Load Regulation: The regulator exhibits good line and load regulation, ensuring minimal variation in output voltage under different input and load conditions.
- High Ripple Rejection: It offers high ripple rejection, typically 37 to 42 dB at 120 Hz, which helps in maintaining a clean output voltage.
- Wide Operating Temperature Range: The MC78L12ABDR2 operates over a wide temperature range from -40°C to +125°C, making it suitable for harsh environments.
Applications
- Consumer Electronics: Suitable for use in various consumer electronics such as TVs, audio equipment, and other household appliances.
- Industrial Control Systems: Can be used in industrial control systems where stable voltage regulation is crucial.
- Automotive Systems: The NCV prefix versions are suitable for automotive and other applications requiring high reliability and performance under varying conditions.
- Medical Devices: Applicable in medical devices where precise voltage regulation is essential for safe and reliable operation.
- Telecommunication Equipment: Used in telecommunication equipment to ensure stable power supply to critical components.
Q & A
- What is the output voltage of the MC78L12ABDR2?
The output voltage of the MC78L12ABDR2 is 12V.
- What is the maximum current that the MC78L12ABDR2 can handle?
The MC78L12ABDR2 can handle a maximum current of 100 mA.
- What is the dropout voltage of the MC78L12ABDR2?
The dropout voltage of the MC78L12ABDR2 is 1.7 V.
- What is the operating temperature range of the MC78L12ABDR2?
The operating temperature range of the MC78L12ABDR2 is from -40°C to +125°C.
- What is the ripple rejection of the MC78L12ABDR2?
The ripple rejection of the MC78L12ABDR2 is typically 37 to 42 dB at 120 Hz.
- What package type is the MC78L12ABDR2 available in?
The MC78L12ABDR2 is available in an 8-pin SOIC package.
- What are some common applications of the MC78L12ABDR2?
The MC78L12ABDR2 is commonly used in consumer electronics, industrial control systems, automotive systems, medical devices, and telecommunication equipment.
- How does the MC78L12ABDR2 ensure stable output voltage?
The MC78L12ABDR2 ensures stable output voltage through good line and load regulation, and high ripple rejection.
- Is the MC78L12ABDR2 suitable for harsh environments?
Yes, the MC78L12ABDR2 is suitable for harsh environments due to its wide operating temperature range from -40°C to +125°C.
- What is the input voltage range for the MC78L12ABDR2?
The input voltage range for the MC78L12ABDR2 is from 14.5 V to 27 V.
