The Texas Instruments TPS79133DBVR is a low-dropout (LDO) linear voltage regulator that is designed to provide a stable and reliable power supply for a wide range of electronic devices. It is a highly efficient and low-noise solution that is suitable for use in battery-powered and power-sensitive applications.
Description:
The TPS79133DBVR is a compact and low-profile LDO regulator that is available in a thermally-enhanced SOT-23 package. It has an input voltage range of 1.9V to 5.5V and can provide an output voltage as low as 0.9V. The device has a typical dropout voltage of 250mV at a 1A load, making it suitable for use in low-voltage applications.
Features:
- Low dropout voltage: The TPS79133DBVR has a low dropout voltage of 250mV, which ensures stable operation even when the input voltage is close to the output voltage.
- High efficiency: The device has a high efficiency of up to 90%, which helps to minimize power dissipation and reduce the overall power consumption of the system.
- Low quiescent current: The TPS79133DBVR has a low quiescent current of 55µA, which helps to extend the battery life in portable applications.
- Low output noise: The device has a low output noise of 50µVrms, which makes it suitable for use in sensitive analog circuits.
- Adjustable output voltage: The output voltage can be easily adjusted using an external resistor divider, allowing for customization to meet specific application requirements.
- Thermal protection: The TPS79133DBVR features thermal shutdown protection, which helps to prevent damage to the device in the event of an overheating condition.
Applications:
The TPS79133DBVR is suitable for a wide range of applications that require a stable and reliable power supply. Some of the key applications include:
- Portable devices: The low quiescent current and low dropout voltage make it an ideal choice for battery-powered devices such as smartphones, tablets, and wearable electronics.
- IoT devices: The device's low power consumption and small form factor make it suitable for use in Internet of Things (IoT) devices, where energy efficiency and compact size are critical.
- Audio equipment: The low output noise and high efficiency make the TPS79133DBVR suitable for use in audio equipment, such as amplifiers and digital-to-analog converters (DACs).
- Medical devices: The device's stability and reliability make it suitable for use in medical devices, such as hearing aids and portable medical instruments.
- Industrial applications: The TPS79133DBVR can be used in industrial applications where a stable and reliable power supply is required, such as in sensors and control systems.
In summary, the Texas Instruments TPS79133DBVR is a low-dropout, high-efficiency linear voltage regulator that is suitable for a wide range of applications, including portable devices, IoT devices, audio equipment, medical devices, and industrial applications. Its low quiescent current, low output noise, and thermal protection features make it an ideal choice for power-sensitive and battery-powered applications.