Overview
The L7812CP is a three-terminal positive voltage regulator from STMicroelectronics, part of the L78 series. This regulator is available in the TO-220FP package and is designed to provide a fixed output voltage of 12V. It is suitable for a wide range of applications due to its robust features and versatility. The L7812CP can provide local on-card regulation, eliminating distribution problems associated with single-point regulation. It is also equipped with internal current limiting, thermal shutdown, and safe area protection, making it highly reliable and durable.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Min | -40.0 | °C |
| Operating Temperature Max | 125.0 | °C |
| Output Voltage | 11.5 - 12.5 | V |
| Output Current | Up to 1.5 A | A |
| Dropout Voltage | 2 V | V |
| Output Noise Voltage | 10 µV/VO | µV/VO |
| Output Resistance | 17 mΩ | mΩ |
| Short Circuit Current | 0.2 A | A |
| Short Circuit Peak Current | 2.2 A | A |
| Output Voltage Drift | -1 mV/°C | mV/°C |
| Package Name | TO-220FP | |
| RoHS Compliance | Ecopack2 |
Key Features
- Output current up to 1.5 A
- Fixed output voltage of 12V with 2% tolerance (A version)
- Thermal overload protection
- Short circuit protection
- Output transition SOA protection
- Guaranteed in extended temperature range (A version)
- Internal current limiting and safe area protection
Applications
The L7812CP is versatile and can be used in various applications, including:
- Communications equipment
- Computers and peripherals
- Industrial control systems
- Power supplies and voltage regulators
Q & A
- What is the output voltage of the L7812CP?
The output voltage of the L7812CP is 12V with a tolerance of 2% (11.5V to 12.5V). - What is the maximum output current of the L7812CP?
The maximum output current of the L7812CP is up to 1.5 A. - What type of protection does the L7812CP have?
The L7812CP has thermal overload protection, short circuit protection, and output transition SOA protection. - What is the operating temperature range of the L7812CP?
The operating temperature range of the L7812CP is -40°C to 125°C. - What package type is the L7812CP available in?
The L7812CP is available in the TO-220FP package. - Is the L7812CP RoHS compliant?
Yes, the L7812CP is RoHS compliant with an Ecopack2 grade. - What is the dropout voltage of the L7812CP?
The dropout voltage of the L7812CP is 2 V. - What is the output noise voltage of the L7812CP?
The output noise voltage of the L7812CP is 10 µV/VO. - What are some common applications of the L7812CP?
The L7812CP is commonly used in communications equipment, computers and peripherals, and industrial control systems. - Does the L7812CP have internal current limiting?
Yes, the L7812CP has internal current limiting and safe area protection.
