Overview
The L78L12ACD13TR is a linear voltage regulator produced by STMicroelectronics. It is part of the L78L series, which is known for its robust design and reliability. This regulator is designed to provide a fixed output voltage of 12V with a maximum output current of 100mA. It features internal current limiting and thermal shutdown, making it essentially indestructible when adequate heat-sinking is provided. The L78L12ACD13TR is suitable for a wide range of applications requiring stable and regulated voltage supply.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Regulator Type | Linear Voltage | |
| Output Voltage | 12 V | V |
| Maximum Output Current | 100 mA | mA |
| Line Regulation | 250 mV | mV |
| Load Regulation | 100 mV | mV |
| Polarity | Positive | |
| Quiescent Current | 6.5 mA | mA |
| Package Type | SO (Surface Mount) | |
| Pin Count | 8 | |
| Minimum Operating Temperature | 0 °C | °C |
| Maximum Operating Temperature | +125 °C | °C |
| Maximum Input Voltage | 40 V | V |
| Dimensions | 5 x 4 x 1.5 mm | mm |
Key Features
- Internal current limiting and thermal shutdown for enhanced reliability and protection.
- No external components required for operation.
- Low quiescent current and low noise output.
- Can be used as a replacement for Zener diode/resistor combinations with improved performance.
- Surface mount package (SO-8) for easy integration into modern PCB designs.
- High supply voltage rejection and good line and load regulation.
Applications
The L78L12ACD13TR is versatile and can be used in a variety of applications, including:
- Local or on-card voltage regulation to eliminate noise and distribution problems associated with single-point regulation.
- Power supply systems requiring stable and regulated voltage output.
- Replacement for Zener diode/resistor combinations in existing designs.
- Use with power pass elements to create high-current voltage regulators.
- General-purpose voltage regulation in electronic devices and systems.
Q & A
- What is the output voltage of the L78L12ACD13TR?
The output voltage is 12V.
- What is the maximum output current of the L78L12ACD13TR?
The maximum output current is 100mA.
- What type of package does the L78L12ACD13TR come in?
The L78L12ACD13TR comes in an SO-8 surface mount package.
- What are the key protection features of the L78L12ACD13TR?
The key protection features include internal current limiting and thermal shutdown.
- What is the maximum operating temperature of the L78L12ACD13TR?
The maximum operating temperature is +125 °C.
- What is the quiescent current of the L78L12ACD13TR?
The quiescent current is 6.5 mA.
- Can the L78L12ACD13TR be used as a replacement for Zener diode/resistor combinations?
Yes, it can be used as a replacement with improved performance.
- What is the line regulation of the L78L12ACD13TR?
The line regulation is 250 mV.
- What is the load regulation of the L78L12ACD13TR?
The load regulation is 100 mV.
- What is the maximum input voltage for the L78L12ACD13TR?
The maximum input voltage is 40 V.
