Analog Devices Inc. LTC3787EGN High Performance Power Controller

The LTC3787EGN is a high-performance, multiphase synchronous boost controller manufactured by Analog Devices Inc., a leader in the design and production of high-performance analog, mixed-signal, and digital signal processing integrated circuits. This advanced power management component is designed to cater to a wide array of applications requiring efficient power conversion and distribution, including telecommunications, industrial systems, and automotive electronics.

The LTC3787EGN operates with a supply voltage ranging from 4.5V to 38V, making it versatile for various input power sources. Its ability to provide a stable output voltage through its synchronous rectification topology ensures high efficiency and reduced heat generation, which is critical in power-sensitive designs. The device can generate output voltages up to 60V, allowing it to drive high voltage applications with ease.

One of the standout features of the LTC3787EGN is its phase-lockable fixed frequency from 75kHz to 850kHz, which enables designers to set the switching frequency outside of critical frequency bands, such as AM radio, thereby avoiding potential interference issues. Additionally, the device offers selectable Continuous, Burst, or Discontinuous Mode operation, providing flexibility in balancing efficiency and output ripple based on the application's requirements.

The LTC3787EGN also boasts a powerful 1.1Ω onboard all N-channel gate driver, designed to drive large power MOSFETs for high current applications. Its current mode control provides excellent line and load transient response. Furthermore, the device has a range of protective features, including overvoltage protection, overcurrent protection, and thermal shutdown, ensuring the reliability and longevity of the end application.

Available in a 28-lead SSOP package, the LTC3787EGN is engineered for robust performance in challenging environments. The device's compact footprint allows for efficient use of board space, which is particularly beneficial in space-constrained applications.

Overall, the LTC3787EGN from Analog Devices Inc. is a powerful solution for designers looking to implement an efficient, high voltage, multiphase synchronous boost converter in their power supply designs.