Product Overview: LT8709EFE#PBF

The LT8709EFE#PBF is a high-performance negative input synchronous step-up DC/DC controller from Linear Technology, designed to regulate a positive output voltage from a negative input voltage. This advanced controller is ideal for a wide range of applications, including telecom, industrial, medical, and automotive systems, where a negative power supply rail needs to be inverted into a positive output efficiently and reliably.

Key Features:

• Input Voltage Range: The device operates over a wide input voltage range from -2.8V to -80V, making it suitable for various negative supply applications.
• Output Voltage Range: It can produce a positive output voltage from 1.3V to 80V, which can be set with a single external resistor.
• Synchronous Rectification: The LT8709EFE#PBF employs synchronous rectification to achieve high efficiency, which is crucial for power-sensitive applications.
• Adjustable Switching Frequency: Users can set the switching frequency anywhere from 100kHz to 700kHz or synchronize it to an external clock.
• Robust Protection Features: It includes protection against overvoltage, overcurrent, and overtemperature, ensuring reliable operation under adverse conditions.

Applications:

• Telecommunications Equipment
• Industrial Power Supplies
• Automotive Power Systems
• Medical Devices
• Portable Instruments

Package and Reliability:

The LT8709EFE#PBF comes in a thermally enhanced TSSOP-16 package, offering a compact footprint while providing improved thermal performance. Linear Technology's commitment to high-quality and reliability ensures that this controller meets stringent performance criteria, making it a trusted choice for engineers and designers.

Conclusion:

With its wide input and output voltage ranges, high efficiency, and comprehensive protection features, the LT8709EFE#PBF from Linear Technology is a versatile and reliable solution for converting negative voltages to positive outputs in a variety of power conversion scenarios.