Overview
The STMicroelectronics LF25ABDT-TR is a low dropout voltage regulator designed to provide a stable output voltage of 2.5V with a maximum output current of 500mA. This component is part of the LFxx series, known for its very low dropout voltage and low quiescent current, making it suitable for a variety of applications where power efficiency is crucial. The LF25ABDT-TR is packaged in a 3-pin DPAK (TO-252) package, which is compact and thermally efficient.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 2.5 | V |
| Output Current | Up to 500 | mA |
| Input Voltage Range | 3 to 16 | V |
| Dropout Voltage | 0.2 to 1.3 | V |
| Quiescent Current (ON mode) | 0.5 to 2 | mA |
| Quiescent Current (OFF mode) | 50 to 120 | µA |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | DPAK (TO-252) | |
| Pin Count | 3 | |
| Thermal Resistance Junction-Ambient | 100 | °C/W |
Key Features
- Very Low Dropout Voltage: The LF25ABDT-TR features a very low dropout voltage of 0.2 to 1.3V, ensuring minimal voltage loss and high efficiency.
- Low Quiescent Current: The component has a low quiescent current of 0.5 to 2mA in ON mode and 50 to 120µA in OFF mode, which is beneficial for battery-powered devices.
- High Output Current: It can supply up to 500mA of output current, making it suitable for a range of applications.
- Wide Operating Temperature Range: The regulator operates over a temperature range of -40°C to 125°C, making it suitable for harsh environments.
- Compact Packaging: The DPAK package is compact and thermally efficient, ideal for space-constrained designs.
Applications
The STMicroelectronics LF25ABDT-TR is versatile and can be used in various applications, including:
- Portable Electronics: Suitable for battery-powered devices due to its low quiescent current and high efficiency.
- Automotive Systems: The wide operating temperature range and robust design make it suitable for automotive applications.
- Industrial Control Systems: Can be used in industrial control systems where stable voltage regulation is critical.
- Medical Devices: Its low noise and high stability make it a good choice for medical devices that require precise voltage regulation.
Q & A
- What is the output voltage of the LF25ABDT-TR?
The output voltage of the LF25ABDT-TR is 2.5V. - What is the maximum output current of the LF25ABDT-TR?
The maximum output current is up to 500mA. - What is the input voltage range for the LF25ABDT-TR?
The input voltage range is from 3 to 16V. - What is the dropout voltage of the LF25ABDT-TR?
The dropout voltage ranges from 0.2 to 1.3V. - What is the quiescent current in ON mode for the LF25ABDT-TR?
The quiescent current in ON mode is between 0.5 and 2mA. - What is the operating temperature range of the LF25ABDT-TR?
The operating temperature range is from -40°C to 125°C. - What type of package does the LF25ABDT-TR come in?
The LF25ABDT-TR comes in a 3-pin DPAK (TO-252) package. - What are some typical applications for the LF25ABDT-TR?
Typical applications include portable electronics, automotive systems, industrial control systems, and medical devices. - What is the thermal resistance junction-ambient for the LF25ABDT-TR?
The thermal resistance junction-ambient is 100°C/W. - Is the LF25ABDT-TR suitable for harsh environments?
Yes, it is suitable for harsh environments due to its wide operating temperature range and robust design.
