Overview
The MC78L18ABPG is a positive voltage regulator from onsemi, part of the MC78L00A series. This device is designed to provide a regulated output voltage of 18 volts with a maximum current of 100 mA. It is known for its simplicity, low cost, and robust performance, making it suitable for a wide range of applications requiring a stable voltage supply.
The MC78L18ABPG features internal current limiting and thermal shutdown, ensuring the device remains safe under overload conditions. It is available in a TO-92 package, which is lead-free and compliant with automotive and other stringent application requirements, including AEC-Q100 qualification and PPAP capability.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | 17.3 | 18 | 18.7 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | - | - | 45 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | - | - | 170 | mV |
| Dropout Voltage (TJ = +25°C) | - | - | 1.7 | Vdc |
| Input Bias Current (TJ = +25°C) | - | 3.1 | 6.5 | mA |
| Maximum Junction Temperature | - | - | 150 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
| ESD Capability, Human Body Model | - | - | 2000 | V |
Key Features
- Wide range of available fixed output voltages
- Low cost and easy to use
- Internal short circuit current limiting and thermal overload protection
- No external components required in many applications
- Complementary negative regulators available (MC79L00A series)
- AEC-Q100 qualified and PPAP capable for automotive and other stringent applications
- Lead-free devices
Applications
The MC78L18ABPG is versatile and can be used in various applications that require a stable 18V voltage supply. These include:
- Automotive systems
- Industrial control systems
- Consumer electronics
- Medical devices
- Any low-current application requiring a regulated voltage supply
Q & A
- What is the output voltage of the MC78L18ABPG?
The output voltage of the MC78L18ABPG is 18 volts.
- What is the maximum current output of the MC78L18ABPG?
The maximum current output is 100 mA.
- What type of package does the MC78L18ABPG come in?
The MC78L18ABPG comes in a TO-92 package.
- Does the MC78L18ABPG require external components for operation?
No, in many applications, no external components are required.
- What is the dropout voltage of the MC78L18ABPG?
The dropout voltage is approximately 1.7 volts.
- Is the MC78L18ABPG AEC-Q100 qualified?
- What is the maximum junction temperature for the MC78L18ABPG?
The maximum junction temperature is 150°C.
- What is the storage temperature range for the MC78L18ABPG?
The storage temperature range is -65°C to +150°C.
- Does the MC78L18ABPG have ESD protection?
- What are some common applications for the MC78L18ABPG?
Common applications include automotive systems, industrial control systems, consumer electronics, and medical devices.
