Texas Instruments

UCC27517DBVT

The UCC27517DBVT is a high-voltage, high-current, and high-efficiency step-down regulator (buck converter) developed by Texas Instruments. It is designed to provide a stable output voltage and current to a wide range of applications, including automotive, industrial, and telecom systems.

Description:

The UCC27517DBVT is a monolithic integrated circuit that provides a highly efficient step-down voltage conversion. It features a high input voltage range of up to 60V and can deliver up to 3A of continuous output current. The device is available in a small, thermally enhanced, and leadless VQFN-16 package.

Features:

1. Wide input voltage range: 4.5V to 60V
2. Output current up to 3A
3. High efficiency: up to 96% under typical operating conditions
4. Low quiescent current: 2.5µA in sleep mode
5. Adjustable output voltage with external resistors
6. Soft-start and hiccup current limiting for protection
7. Thermal shutdown and over-temperature warning
8. Small package size: VQFN-16 (3x3mm)

Applications:

1. Automotive systems: infotainment, lighting, and power management
2. Industrial control systems: motor drives, sensors, and actuators
3. Telecommunication systems: power supplies for base stations and routers
4. Portable electronics: battery charging and power management
5. Medical equipment: portable devices and wearables
6. LED lighting: driving high-current LED arrays
7. General-purpose power conversion: for applications requiring high efficiency and a wide input voltage range

The UCC27517DBVT is a versatile and efficient step-down regulator suitable for a wide range of applications requiring high voltage, high current, and high efficiency. Its compact package and comprehensive feature set make it an ideal choice for designers looking to optimize power management in their systems.