Overview
The MC78L18ACPG is a positive voltage regulator from onsemi, part of the MC78L00A Series. These regulators are designed to provide a regulated output voltage of up to 18 volts with a maximum current of 100 mA. They are known for their ease of use, low cost, and robust performance, making them suitable for a wide range of applications. The MC78L18ACPG features internal current limiting and thermal shutdown, ensuring the device remains stable and protected under various operating conditions.
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) | - | - | 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: The MC78L18ACPG offers a fixed output voltage of 18 volts.
- Low Cost: These regulators are economical and cost-effective.
- Internal Short Circuit Current Limiting: Protects the device from excessive current.
- Internal Thermal Overload Protection: Shuts down the circuit in case of thermal overload.
- No External Components Required: In many applications, no additional components are needed.
- Complementary Negative Regulators: Available in the MC79L00A Series.
- AEC-Q100 Qualified and PPAP Capable: Suitable for automotive and other applications requiring specific quality standards.
- Pb-Free Devices: Environmentally friendly.
Applications
The MC78L18ACPG is versatile and can be used in various applications, including:
- Low-power electronic devices requiring a stable voltage supply.
- Automotive systems where AEC-Q100 qualification is necessary.
- Industrial control systems and instrumentation.
- Consumer electronics that need reliable voltage regulation.
- Embedded systems and IoT devices.
Q & A
- What is the output voltage of the MC78L18ACPG?
The output voltage of the MC78L18ACPG is 18 volts.
- What is the maximum current output of the MC78L18ACPG?
The maximum current output is 100 mA.
- Does the MC78L18ACPG require external components for operation?
In many applications, no external components are required.
- What kind of protection does the MC78L18ACPG have?
The device features internal short circuit current limiting and thermal overload protection.
- Is the MC78L18ACPG suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable.
- What is the maximum junction temperature for the MC78L18ACPG?
The maximum junction temperature is 150°C.
- What is the storage temperature range for the MC78L18ACPG?
The storage temperature range is -65°C to +150°C.
- Does the MC78L18ACPG have ESD protection?
Yes, it has ESD protection with a Human Body Model rating of 2000 V.
- What are the common applications of the MC78L18ACPG?
It is used in low-power electronic devices, automotive systems, industrial control systems, consumer electronics, and embedded systems.
- What is the dropout voltage of the MC78L18ACPG?
The dropout voltage is approximately 1.7 Vdc.
