Overview
The L7812ACP is a three-terminal positive voltage regulator IC from STMicroelectronics, part of the L78 series. This regulator is designed to provide stable and reliable voltage regulation in a variety of applications. It is available in the TO-220FP package and offers a fixed output voltage of 12V. The L7812ACP is known for its robust protection features and high current capability, making it suitable for use in industrial, communications, and computer peripheral applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 12 | V |
| Output Current | Up to 1.5 A | A |
| Input Voltage (Max) | 35 V | V |
| Voltage Dropout (Max) | 2 V @ 1 A (Typ) | V |
| Quiescent Current (Iq) | 6 mA | mA |
| PSRR (Power Supply Rejection Ratio) | 60 dB (120 Hz) | dB |
| Operating Temperature Range | 0°C to 125°C | °C |
| Protection Features | Over Temperature, Short Circuit | |
| Package | TO-220FP |
Key Features
- Output current up to 1.5 A
- Fixed output voltage of 12 V
- Thermal overload protection
- Short circuit protection
- Output transition SOA (Safe Operating Area) protection
- 2% output voltage tolerance (A version)
- Guaranteed operation in extended temperature range (A version)
- Internal current limiting and safe area protection
- Can be used with external components for adjustable voltage and currents
Applications
The L7812ACP is suitable for a wide range of applications, including:
- Communications equipment
- Computers and peripherals
- Industrial control systems
- Local on-card regulation to eliminate distribution problems associated with single point regulation
Q & A
- What is the output voltage of the L7812ACP?
The output voltage of the L7812ACP is 12 V.
- What is the maximum output current of the L7812ACP?
The maximum output current of the L7812ACP is up to 1.5 A.
- What are the protection features of the L7812ACP?
The L7812ACP features thermal overload protection, short circuit protection, and output transition SOA protection.
- What is the operating temperature range of the L7812ACP?
The operating temperature range of the L7812ACP is from 0°C to 125°C.
- What package types are available for the L7812ACP?
The L7812ACP is available in the TO-220FP package.
- Can the L7812ACP be used for adjustable voltage regulation?
Yes, the L7812ACP can be used with external components to obtain adjustable voltage and currents.
- What is the quiescent current of the L7812ACP?
The quiescent current (Iq) of the L7812ACP is 6 mA.
- What is the power supply rejection ratio (PSRR) of the L7812ACP?
The PSRR of the L7812ACP is 60 dB at 120 Hz.
- Is the L7812ACP RoHS compliant?
Yes, the L7812ACP is RoHS compliant, specifically Ecopack2.
- What are some common applications of the L7812ACP?
The L7812ACP is commonly used in communications equipment, computers and peripherals, and industrial control systems.
