The LTC1147HVCS8-3.3#PBF is a high-performance synchronous step-down switching regulator designed and manufactured by Linear Technology. This regulator is specifically engineered to deliver high efficiency, excellent thermal performance, and a compact footprint, making it an ideal choice for a wide range of applications requiring a fixed 3.3V output from an input voltage source up to 20V.

Key Features:

• High Efficiency: Capable of up to 94% efficiency, the LTC1147HVCS8-3.3#PBF minimizes power loss, ensuring that the system remains cool and reliable even under heavy load conditions.
• Wide Input Voltage Range: With an input voltage range from 3.5V to 20V, this regulator can accommodate a variety of power sources, from single-cell Li-Ion batteries to fixed 12V or 15V rails.
• Fixed 3.3V Output: The output voltage is fixed at 3.3V, providing a stable and regulated supply for digital circuits, microcontrollers, and other low-voltage electronics.
• Low Dropout Operation: The LTC1147HVCS8-3.3#PBF can maintain regulation with a minimal difference between the input and output voltages, which is beneficial in battery-powered applications where maximizing the discharge cycle is critical.
• Synchronous Operation: The integrated synchronous rectification improves efficiency by reducing diode losses and eliminating the need for an external Schottky diode.
• No External Schottky Diode Required: The synchronous design means that no external Schottky diode is needed, simplifying the design and reducing the bill of materials.
• Thermal Protection: Built-in thermal shutdown ensures that the device is protected from overheating, enhancing system safety and longevity.
• Package: The LTC1147HVCS8-3.3#PBF comes in a compact 8-lead SOIC package, which is suitable for space-constrained applications.

Applications:

• Portable Electronics
• Automotive Power Systems
• Industrial Power Supplies
• Telecommunications Equipment
• Networking Devices

The LTC1147HVCS8-3.3#PBF is a testament to Linear Technology's commitment to providing power management solutions that combine performance with practicality. Whether you're designing a battery-operated device or a stationary power system, this regulator offers a robust and reliable solution for your 3.3V power needs.