The LT3991EMSE-3.3#PBF is a robust and efficient DC/DC converter integrated circuit from Linear Technology, now part of Analog Devices, that provides a fixed 3.3V output voltage. This component is designed to handle a wide input voltage range from 4V to 38V, making it highly versatile for various applications ranging from automotive to industrial systems.

Key Features:

• Wide Input Voltage Range: With an input range of 4V to 38V, the LT3991EMSE-3.3#PBF is suitable for use in environments with variable power supplies, ensuring reliable performance even with fluctuating input voltages.
• Fixed Output Voltage: The device provides a stable 3.3V output, which is ideal for powering low-voltage electronics, such as microcontrollers and sensors.
• High Efficiency: The converter operates with high efficiency, which minimizes heat generation and power loss, thereby improving system reliability and performance.
• Thermal Protection: It includes thermal shutdown protection to prevent damage from overheating, enhancing the longevity of the device.
• Adjustable Switching Frequency: The switching frequency can be set from 200kHz to 2.4MHz with an external resistor or synchronized to an external clock, providing design flexibility and optimization of component size and efficiency.

Applications:

• Automotive power systems
• Industrial power supplies
• Portable electronic devices
• Telecommunications infrastructure

The LT3991EMSE-3.3#PBF is packaged in a compact MSOP-12 (Medium Shrink Outline Package), which is suitable for space-constrained applications. Its robust design ensures reliable operation in harsh environments, making it an excellent choice for a wide range of power conversion needs.

Ordering Information:

For ordering and additional information about the LT3991EMSE-3.3#PBF, please consult the Linear Technology product datasheets or contact their sales and support team. This product is available through various distributors and is recognized for its performance and dependability in critical applications.