Overview
The STMicroelectronics L7812CV-DG is a three-terminal positive linear voltage regulator from the L78 series. This device is designed to provide a fixed output voltage of 12V and is available in the TO-220 package. It is widely used in various electronic applications to provide local on-card regulation, eliminating issues associated with single-point regulation. The regulator offers several protective features, including internal current limiting, thermal shutdown, and safe area protection, making it robust and reliable for use in diverse electronic systems.
Key Specifications
| Attribute | Value |
|---|---|
| Brand | STMicroelectronics |
| Maximum Output Current | 1.5 A |
| Regulator Type | Linear Voltage |
| Output Voltage | 12 V |
| Number of Outputs | 1 |
| Line Regulation | 50 mV |
| Load Regulation | 100 mV |
| Mounting Type | Through Hole |
| Quiescent Current | 6 mA |
| Package Type | TO-220 |
| Pin Count | 3 |
| Output Type | Fixed |
| Dimensions | 10.4 x 4.6 x 15.75 mm |
| Height | 15.75 mm |
| Minimum Operating Temperature | 0 °C |
| Maximum Operating Temperature | +125 °C |
| Length | 10.4 mm |
| Width | 4.6 mm |
| Maximum Input Voltage | 35 V |
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
- Internal current limiting
- 2% output voltage tolerance (A version)
- Guaranteed in extended temperature range (A version)
Applications
The STMicroelectronics L7812CV-DG is useful in a wide range of applications within the electronics industry. It can be used for power management in various systems, providing local on-card regulation to eliminate distribution problems associated with single-point regulation. This regulator is suitable for use in power supplies, battery chargers, and other electronic devices that require a stable and regulated voltage supply.
Q & A
- What is the output voltage of the L7812CV-DG?
The output voltage of the L7812CV-DG is 12 V. - What is the maximum output current of the L7812CV-DG?
The maximum output current is up to 1.5 A. - What type of package does the L7812CV-DG come in?
The L7812CV-DG comes in a TO-220 package. - What are the key protective features of the L7812CV-DG?
The key protective features include internal current limiting, thermal shutdown, and safe area protection. - What is the maximum input voltage for the L7812CV-DG?
The maximum input voltage is 35 V. - What is the operating temperature range for the L7812CV-DG?
The operating temperature range is from 0 °C to +125 °C. - Is the L7812CV-DG RoHS compliant?
Yes, the L7812CV-DG is RoHS compliant. - What is the quiescent current of the L7812CV-DG?
The quiescent current is 6 mA. - Can the L7812CV-DG be used for adjustable voltage regulation?
Although primarily designed as a fixed voltage regulator, the L7812CV-DG can be used with external components to obtain adjustable voltage and currents. - What are the dimensions of the L7812CV-DG in the TO-220 package?
The dimensions are 10.4 x 4.6 x 15.75 mm.
