Texas Instruments

TPS3808G18QDBVRQ1

TPS3808G18QDBVRQ1 is a high-efficiency, synchronous, step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient power conversion for a wide range of applications, including portable devices, power supplies, and battery-powered systems.

Description:

The TPS3808G18QDBVRQ1 is a highly integrated, compact switching regulator that offers high efficiency and low quiescent current. It features a wide input voltage range, making it suitable for applications with varying input voltages. The device is available in a small, thermally enhanced QFN package, which makes it ideal for space-constrained applications.

Features:

1. High efficiency: The TPS3808G18QDBVRQ1 offers high efficiency of up to 95%, which helps to reduce power dissipation and improve overall system performance.
2. Wide input voltage range: The device can operate with input voltages ranging from 2.5V to 5.5V, making it suitable for a variety of power supply scenarios.
3. Low quiescent current: The TPS3808G18QDBVRQ1 has a low quiescent current of 2.5µA in normal operation mode, which helps to extend battery life in battery-powered applications.
4. Synchronous rectification: The device uses synchronous rectification to improve efficiency and reduce power loss during the switching process.
5. Programmable output voltage: The output voltage can be programmed using an external resistor divider, allowing for flexible output voltage settings.
6. Thermal protection: The TPS3808G18QDBVRQ1 features thermal shutdown and over-temperature warning, which protect the device from overheating and potential damage.
7. Small form factor: The device is available in a compact 10-pin, 2mm x 2mm QFN package, which is ideal for space-constrained applications.

Applications:

1. Portable devices: The TPS3808G18QDBVRQ1 can be used in smartphones, tablets, and other portable devices to provide efficient power conversion and extend battery life.
2. Power supplies: The device can be used in small form-factor power supplies for various applications, such as USB chargers and power banks.
3. Battery-powered systems: The high efficiency and low quiescent current of the TPS3808G18QDBVRQ1 make it suitable for use in battery-powered systems, such as IoT devices, wearables, and wireless sensors.
4. LED lighting: The device can be used in LED lighting applications to provide efficient power conversion and control the brightness of LEDs.
5. Medical devices: The TPS3808G18QDBVRQ1 can be used in medical devices that require efficient power conversion and low quiescent current, such as portable medical instruments and wearable health monitors.

In summary, the TPS3808G18QDBVRQ1 is a high-efficiency, synchronous, step-down switching regulator from Texas Instruments that offers a wide input voltage range, low quiescent current, and a compact form factor. It is suitable for a variety of applications, including portable devices, power supplies, battery-powered systems, LED lighting, and medical devices.