Texas Instruments

TPS3808G18DBVR

TPS3808G18DBVR is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable output voltage from a wide range of input voltages. Here's a brief description of the model, its features, and potential applications:

Description:

The TPS3808G18DBVR is a member of Texas Instruments' Simple Switcher™ family of power management devices. It is a highly integrated, high-efficiency, synchronous step-down (buck) regulator that can operate from a wide range of input voltages (4V to 40V) and provides a regulated output voltage as low as 0.9V.

Features:

1. Input Voltage Range: It can handle a wide input voltage range from 4V to 40V, making it suitable for various power supply scenarios.
2. Output Voltage: The device can provide an output voltage as low as 0.9V, which is useful for low-voltage applications.
3. Efficiency: It offers high efficiency (up to 95%), which is crucial for battery-powered applications to extend battery life.
4. Synchronous Rectification: The device uses synchronous rectification, which reduces conduction losses and improves efficiency, especially at higher input voltages.
5. Integrated Components: It integrates a low RDS(on) power MOSFET, inductor, and other components, reducing the need for external components and saving space on the PCB.
6. Protection Features: The device includes over-current protection, over-temperature protection, and thermal shutdown to safeguard the system from fault conditions.
7. Package Type: It comes in a compact 10-lead DFN (Dual Flat No-leads) package, which is suitable for space-constrained applications.

Applications:

1. Portable Devices: Due to its high efficiency and wide input voltage range, the TPS3808G18DBVR is well-suited for powering portable electronics like smartphones, tablets, and wearable devices.
2. IoT Devices: It can be used in Internet of Things (IoT) devices that require a stable power supply from batteries or other power sources.
3. Industrial Equipment: The device's robustness and protection features make it suitable for industrial applications where reliability and safety are critical.
4. Medical Devices: It can be used in battery-powered medical devices that require a stable and regulated power supply.
5. Automotive Applications: The wide input voltage range and high efficiency make it suitable for automotive applications, where power supply conditions can vary significantly.

The TPS3808G18DBVR is a versatile and efficient power management solution that can be integrated into a wide range of electronic devices to provide a stable and regulated power supply.