Texas Instruments

TPS22990NDMLR

TPS22990NDMLR is a high voltage, high efficiency, synchronous step-down regulator from Texas Instruments. It is designed to provide a stable output voltage from a wide range of input voltages, making it suitable for a variety of applications.

Description:

The TPS22990NDMLR is a synchronous step-down regulator that uses a constant on-time control scheme to regulate the output voltage. It has a wide input voltage range of 4.75V to 60V, and can deliver up to 3A of output current. The device features a low quiescent current of 35µA in normal operation, and can operate from an output capacitor as low as 2.2µF.

Features:

• High Efficiency: The TPS22990NDMLR has a high efficiency of up to 96%, which makes it suitable for battery-powered applications.
• Wide Input Voltage Range: The device can operate from a wide range of input voltages, making it suitable for a variety of applications.
• Low Quiescent Current: The low quiescent current of 35µA in normal operation makes it suitable for battery-powered applications.
• Synchronous Rectification: The device uses synchronous rectification to improve efficiency and reduce heat dissipation.
• Programmable Soft Start: The soft start feature can be programmed to reduce inrush current and minimize output voltage overshoot.
• Protection Features: The device includes over-current protection, over-temperature protection, and output short-circuit protection.

Applications:

The TPS22990NDMLR is suitable for a variety of applications that require a high efficiency, synchronous step-down regulator. Some of the applications include:

• Portable Devices: The high efficiency and low quiescent current make it suitable for portable devices such as smartphones, tablets, and laptops.
• Industrial Equipment: The wide input voltage range and high efficiency make it suitable for industrial equipment that requires a stable output voltage from a wide range of input voltages.
• Medical Equipment: The device's low quiescent current and high efficiency make it suitable for medical equipment that requires a stable output voltage from a battery-powered source.

In summary, the TPS22990NDMLR is a high efficiency, synchronous step-down regulator from Texas Instruments that is suitable for a variety of applications. It features a wide input voltage range, low quiescent current, synchronous rectification, programmable soft start, and protection features to ensure reliable operation.