Overview
The LD2979M50TR is a low-dropout voltage regulator (LDO) from STMicroelectronics. It is designed to provide a stable output voltage with very low dropout voltage and quiescent current, making it suitable for a variety of applications where power efficiency and stability are crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Output Voltage | 5.0V |
| Output Current | Up to 50 mA |
| Dropout Voltage | 0.2 V (typ. at 50 mA load) |
| Quiescent Current | 500 µA (typ. at 50 mA load) |
| Package | SOT23-5 |
Key Features
- Very low dropout voltage (0.2 V typ. at 50 mA load)
- Very low quiescent current (typ. 500 µA at 50 mA load)
- Output current up to 50 mA
- Compact SOT23-5 package
Applications
The LD2979M50TR is suitable for various applications including battery-powered devices, wireless communication systems, and other low-power electronic devices where a stable and efficient voltage regulation is required.
Q & A
- What is the output voltage of the LD2979M50TR?
The output voltage of the LD2979M50TR is 5.0V. - What is the maximum output current of the LD2979M50TR?
The maximum output current is up to 50 mA. - What is the typical dropout voltage of the LD2979M50TR?
The typical dropout voltage is 0.2 V at a 50 mA load. - What is the typical quiescent current of the LD2979M50TR?
The typical quiescent current is 500 µA at a 50 mA load. - In what package is the LD2979M50TR available?
The LD2979M50TR is available in a SOT23-5 package. - What are some typical applications for the LD2979M50TR?
Typical applications include battery-powered devices, wireless communication systems, and other low-power electronic devices. - Why is low dropout voltage important in an LDO regulator?
Low dropout voltage is important because it allows the regulator to maintain its output voltage even when the input voltage is close to the output voltage, ensuring stable operation. - How does the low quiescent current benefit the application?
The low quiescent current helps in reducing power consumption, which is particularly beneficial in battery-powered devices. - Is the LD2979M50TR suitable for high-current applications?
No, the LD2979M50TR is not suitable for high-current applications as it is designed to provide up to 50 mA of output current. - What are the advantages of using an LDO regulator like the LD2979M50TR?
The advantages include low dropout voltage, low quiescent current, and compact packaging, making it ideal for space-constrained and power-efficient designs.
