Overview
The L4931ABDT35TR is a low dropout (LDO) linear voltage regulator produced by STMicroelectronics. This component is part of the L4931 series, known for its low dropout voltage and high performance. It is designed to provide a fixed output voltage of 3.5V with a maximum output current of 250mA. The regulator is housed in a DPAK package, which is suitable for surface mount applications. The L4931ABDT35TR is compliant with EU RoHS regulations and has a wide operating temperature range from -40°C to 125°C, making it versatile for various electronic systems.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | STMicroelectronics |
| Type of Integrated Circuit | Voltage Regulator |
| Kind of Voltage Regulator | Fixed, LDO, Linear |
| Output Voltage | 3.5V |
| Output Current | 0.25A (250mA) |
| Voltage Drop | 0.8V |
| Input Voltage Range | 4.2V to 20V |
| Operating Temperature | -40°C to 125°C |
| Package Type | DPAK |
| Mounting Type | Surface Mount (SMD) |
| Tolerance | ±1% |
| Number of Channels | 1 |
Key Features
- Low Dropout Voltage: The L4931ABDT35TR features a low dropout voltage of 0.8V, ensuring efficient voltage regulation even at low input voltages.
- High Accuracy: The output voltage has a tolerance of ±1%, providing stable and reliable voltage regulation.
- Wide Operating Temperature Range: The regulator operates from -40°C to 125°C, making it suitable for a variety of applications in different environmental conditions.
- Surface Mount Package: The DPAK package is designed for surface mount applications, facilitating easy integration into modern PCB designs.
- Compliance with Regulations: The component is compliant with EU RoHS regulations, ensuring it meets environmental standards.
- Inhibition Function: The L4931 series includes an inhibition function, which allows for external control of the regulator's operation.
Applications
The L4931ABDT35TR is suitable for a wide range of applications requiring stable and efficient voltage regulation. These include:
- Consumer Electronics: Devices such as smartphones, tablets, and other portable electronics benefit from the low dropout voltage and high accuracy of this regulator.
- Industrial Control Systems: The wide operating temperature range and robust design make it suitable for industrial control systems and automation equipment.
- Automotive Systems: Although not specifically automotive qualified, its robustness and wide temperature range can be beneficial in certain automotive applications.
- Medical Devices: The high accuracy and stability of the output voltage make it a good choice for medical devices that require reliable power supply.
Q & A
- What is the output voltage of the L4931ABDT35TR?
The output voltage of the L4931ABDT35TR is 3.5V.
- What is the maximum output current of the L4931ABDT35TR?
The maximum output current is 250mA (0.25A).
- What is the voltage drop of the L4931ABDT35TR?
The voltage drop is 0.8V.
- What is the operating temperature range of the L4931ABDT35TR?
The operating temperature range is from -40°C to 125°C.
- What type of package does the L4931ABDT35TR come in?
The L4931ABDT35TR comes in a DPAK package.
- Is the L4931ABDT35TR compliant with EU RoHS regulations?
Yes, the L4931ABDT35TR is compliant with EU RoHS regulations.
- What is the input voltage range for the L4931ABDT35TR?
The input voltage range is from 4.2V to 20V.
- Does the L4931ABDT35TR have an inhibition function?
Yes, the L4931 series includes an inhibition function.
- What is the tolerance of the output voltage?
The output voltage tolerance is ±1%.
- Is the L4931ABDT35TR suitable for automotive applications?
Although not specifically automotive qualified, it can be used in certain automotive applications due to its robust design and wide temperature range.
