The LM2593HVT-3.3 from Texas Instruments is a highly efficient, monolithic integrated circuit designed for voltage regulation. This step-down voltage regulator is capable of delivering up to 3A of continuous output current. It operates over a wide input voltage range, from 4.5V to 40V, making it suitable for a variety of applications including simple high-efficiency step-down regulators, efficient pre-regulators for linear regulators, and more.

Key Features

• Output Voltage: 3.3V fixed output voltage, which is ideal for powering 3.3V logic in a variety of electronic systems.
• Output Current: Capable of providing a steady 3A current, making it suitable for high-power applications.
• Input Voltage Range: Versatile 4.5V to 40V input range, allowing for use in systems with varying power supplies.
• Efficiency: Integrated switch and a simple external circuitry provide high efficiency over a wide range of load currents.
• Thermal Shutdown and Current Limit: Protection features include thermal shutdown and current limit to ensure safe operation under abnormal conditions.
• Frequency: 150 kHz fixed frequency internal oscillator that minimizes the size of external components.

Applications

The LM2593HVT-3.3 is designed to cater to a wide array of applications, particularly where high efficiency, low standby power, and simplicity are required. Common applications include:

• Simple high-efficiency step-down (buck) regulators.
• Efficient pre-regulators for linear regulators.
• On-card switching regulators.
• Positive to negative converter (Buck-Boost).

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the LM2593HVT-3.3 is no exception. It is designed and manufactured to meet the highest standards, ensuring stable performance in a variety of conditions and applications.

Ordering Information

The LM2593HVT-3.3 is available in multiple package options, including TO-220 and TO-263, providing flexibility for different PCB layouts and thermal performance requirements. For detailed ordering and shipping information, please refer to the official Texas Instruments website or authorized distributors.