Overview
The L78L08ACD13TR is a fixed-voltage linear regulator from STMicroelectronics, part of the L78L series. These regulators are designed to be highly robust, featuring internal current limiting and thermal shutdown, making them essentially indestructible. They are suitable for a wide range of applications, including local or on-card regulation to eliminate noise and distribution problems associated with single-point regulation. The L78L08ACD13TR is specifically configured to provide an output voltage of 8V and can deliver up to 100 mA of output current if an adequate heat sink is provided.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type of integrated circuit | Voltage regulator | |
| Kind of voltage regulator | Fixed, linear | |
| Output voltage | 8V | V |
| Output current | 0.1A (up to 100 mA with adequate heat sink) | A |
| Case | SO8 | |
| Mounting | SMD | |
| Input voltage | 10.5 to 23 V | V |
| Operating temperature | 0 to 125 °C | °C |
| Tolerance | ±4% | |
| Dropout voltage | 1.7 V | V |
| Quiescent current | 6 mA (typical at 25 °C) | mA |
Key Features
- Output current up to 100 mA with adequate heat sink
- Fixed output voltage of 8V
- Internal current limiting and thermal shutdown for robustness
- Short-circuit protection
- No external components required
- Available in ±4% (A) or ±8% (C) selection
- Low quiescent current and low noise
- Can replace Zener diode/resistor combinations
Applications
The L78L08ACD13TR is suitable for various applications, including:
- Local or on-card voltage regulation to eliminate noise and distribution problems
- Replacement for Zener diode/resistor combinations
- Use with power pass elements to create high-current voltage regulators
- Industrial applications requiring stable and reliable voltage regulation
Q & A
- What is the output voltage of the L78L08ACD13TR?
The output voltage of the L78L08ACD13TR is 8V.
- What is the maximum output current of the L78L08ACD13TR?
The maximum output current is up to 100 mA if an adequate heat sink is provided.
- What type of protection does the L78L08ACD13TR have?
The L78L08ACD13TR features internal current limiting and thermal shutdown, as well as short-circuit protection.
- What is the input voltage range for the L78L08ACD13TR?
The input voltage range is from 10.5 to 23 V.
- What is the operating temperature range for the L78L08ACD13TR?
The operating temperature range is from 0 to 125 °C.
- Does the L78L08ACD13TR require external components?
No, the L78L08ACD13TR does not require external components.
- What is the tolerance of the output voltage for the L78L08ACD13TR?
The output voltage tolerance is ±4%.
- What is the quiescent current of the L78L08ACD13TR?
The typical quiescent current at 25 °C is 6 mA.
- Can the L78L08ACD13TR be used to replace Zener diode/resistor combinations?
- What package type does the L78L08ACD13TR come in?
The L78L08ACD13TR comes in an SO8 package.
