Product Overview: LT3579FE by Linear Technology

The LT3579FE is a versatile, high-performance dual DC/DC converter integrated circuit designed and manufactured by Linear Technology. It is engineered to cater to a wide array of applications, requiring efficient power conversion and regulation. This product stands out for its ability to generate both positive and negative outputs from a single input voltage source, making it an ideal choice for applications such as bias voltage generation in TFT LCD displays, CCD applications, and general-purpose dual output conversion.

Key Features

• Wide Input Voltage Range: The LT3579FE operates over a broad input voltage range, accommodating sources from 2.5V to 16V, which allows for flexibility in various power supply configurations.
• Dual Outputs: This IC is capable of delivering two outputs, with the main output capable of providing up to 2.5A of current, making it suitable for driving high-power devices.
• Adjustable Switching Frequency: Users can set the switching frequency anywhere between 200kHz and 2.5MHz, which provides a trade-off between efficiency and component size.
• Integrated Boost and Catch Diodes: The inclusion of internal diodes minimizes the need for external components, thereby saving board space and reducing system complexity.
• Stable with Ceramic Capacitors: The LT3579FE is stable with ceramic output capacitors, which are known for their reliability and compact size.
• Thermal Protection: Over-temperature protection is built-in to ensure the device operates within safe temperature ranges, thereby enhancing the longevity and reliability of the product.

Applications

• TFT LCD Bias Supplies
• CCD Bias Supplies
• Positive and Negative Output DC/DC Converters
• General Purpose Dual Output Power Supplies

The LT3579FE is available in a 16-lead thermally enhanced TSSOP package, which is designed for efficient heat dissipation and space-conscious applications. Its robust design and comprehensive feature set make it an excellent choice for designers looking for a reliable dual-output power solution. With Linear Technology's reputation for high-quality products, the LT3579FE stands as a testament to the company's commitment to providing innovative and dependable power management solutions.