Overview
The L78S12CV-DG is a 2 A positive voltage regulator IC produced by STMicroelectronics. It is part of the L78S series, which offers several fixed output voltages and is packaged in a TO-220 format. This regulator is designed to provide reliable and stable voltage regulation, making it suitable for a wide range of applications. The L78S12CV-DG specifically provides a fixed output voltage of 12 V and can deliver up to 2 A of output current, provided adequate heat sinking is available.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Case/Package | TO-220 | |
| Height | 9.15 mm | |
| Length | 10.4 mm | |
| Width | 4.6 mm | |
| Max Input Voltage | 35 V | |
| Min Input Voltage | 15 V | |
| Max Operating Temperature | 150 °C | |
| Min Operating Temperature | 0 °C | |
| Max Output Current | 2 A | |
| Output Voltage | 12 V | |
| Output Type | Fixed, Adjustable | |
| Quiescent Current | 8 mA | |
| Power Supply Rejection Ratio (PSRR) | 47 dB | |
| RoHS Compliant | Yes |
Key Features
- Output current up to 2 A
- Fixed output voltage of 12 V
- Thermal protection and thermal shut-down
- Short circuit protection and output transition SOA protection
- Internal current limiting
- High power supply rejection ratio (PSRR) of 47 dB
- Low quiescent current of 8 mA
- Adjustable output voltage capability with external components
Applications
The L78S12CV-DG is versatile and can be used in a variety of applications, including:
- Local on-card regulation to eliminate distribution problems associated with single point regulation
- Power supplies for electronic devices requiring stable and regulated voltage
- Industrial control systems
- Automotive electronics
- Consumer electronics
Q & A
- What is the maximum output current of the L78S12CV-DG?
The maximum output current is 2 A.
- What is the fixed output voltage of the L78S12CV-DG?
The fixed output voltage is 12 V.
- What type of package does the L78S12CV-DG come in?
The L78S12CV-DG comes in a TO-220 package.
- Does the L78S12CV-DG have thermal protection?
Yes, it has thermal protection and thermal shut-down.
- What is the quiescent current of the L78S12CV-DG?
The quiescent current is 8 mA.
- Can the output voltage of the L78S12CV-DG be adjusted?
Yes, the output voltage can be adjusted using external components.
- What is the maximum operating temperature of the L78S12CV-DG?
The maximum operating temperature is 150 °C.
- Is the L78S12CV-DG RoHS compliant?
Yes, it is RoHS compliant.
- What is the power supply rejection ratio (PSRR) of the L78S12CV-DG?
The PSRR is 47 dB.
- What are some common applications of the L78S12CV-DG?
Common applications include local on-card regulation, power supplies, industrial control systems, automotive electronics, and consumer electronics.
