LT3845MPFE#TRPBF

DC DC Switching Controllers - LT3845MPFE#TRPBF

LT3845MPFE#TRPBF is a high-performance DC DC switching controller produced by Linear Technology. This device is designed to provide precise current mode control of a boost, alternating current (AC) line-fed flyback, or a current-fed unipolar single switch converter.

Application Field

The LT3845MPFE#TRPBF DC DC switching controller is suitable for applications including: Portable equipment and battery-operated products such as cellular handsets, PDAs, laptops, and MP3 players; Automotive applications such as CDs and rear access systems; Telecom/networking equipment such as wireless LANs, routers, and switching ICs; and AC-DC power supplies.

Working Principle

The LT3845MPFE#TRPBF DC DC switching controller’s operating principle is based on current mode control. Current mode control ensures fast and stable control loop operation leading to improved load and line regulation and enhanced loop stability. The device features an internal oscillator, adjustable frequency, and soft-start circuitry enabling a simple, compact design. The device offers a wide input voltage range and a flexible synchronous architecture, making it suitable for a broad range of applications. In addition, the controller features 3kV MOSFET gate driving capability and a wide operating temperature range.

Conclusion

The LT3845MPFE#TRPBF DC DC switching controller from Linear Technology is designed to provide precise current mode control of a boost, alternating current (AC) line-fed flyback, or a current-fed unipolar single switch converter. This device is suitable for a wide range of applications, from portable equipment to AC-DC power supplies. It is easy to use and features an internal oscillator, adjustable frequency, and soft-start circuitry for simple, compact designs. It is also offers 3kV MOSFET gate driving capability and a wide operating temperature range.