LTC1628CUH#PBF

LTC1628CUH#PBF Application Field and Working Principle

Introduction to LTC1628CUH#PBF

The LTC1628CUH#PBF is a monolithic high voltage, positive voltage regulator specifically developed for use in a wide variety of applications. These include DC/DC converters, on-board regulators, step-down SR voltage regulators, high voltage switching applications, and current limiting circuits. The device is available in several packages, with a choice of applications and features.

Applications

The application areas of LTC1628CUH#PBF covers power management, on-board and off-board regulators, high voltage switching, and DC/DC converters. The device\'s features and wide range of packages make it an excellent choice for many varied applications, including:

• Automotive applications: Low cost, high voltage power conversion in the range of 4V to 56V, with very good board space savings and efficiency.
• High efficiency DC/DC converters for portable, battery-powered systems, such as cell phones, digital cameras, and PDAs.
• High voltage and large scale-point-of-load applications such as LCD and LED drivers, TV and monitor panel drivers, home entertainment, and gaming consoles.
• Current limiting applications.

Working Principles

The LTC1628CUH#PBF is an integrated, high-voltage, positive voltage regulator. It is designed to regulate an input voltage ranging from 4V to 56V, with an output voltage range up to 60V. The device features a wide 2.5V to 60V operating range, making it ideal for a variety of applications. It also features a high switching frequency of 1.5MHz (typical) and low ripple & noise, making it extremely efficient.

The device includes an internal power MOSFET for high efficiency operation and incorporates built-in protection features for overvoltage, overload, and short-circuit protection. The device also includes an enable pin that allows the user to shut down the regulator in the event of an over-voltage fault. Additionally, a current sense input is provided to enable limited current limiting by the controller.

The device\'s internal current-mode logic ensures excellent line and load transient response, making it ideal for a wide range of applications. The device also includes various protection features including thermal shutdown, leading-edge blanking and soft-start capability. The device is available in a wide range of packages, making it suitable for many different applications.

Conclusion

The LTC1628CUH#PBF is designed to regulate an input voltage ranging from 4V to 56V with an output voltage range of up to 60V. The device features a wide operating range, a high switching frequency of 1.5MHz (typical) and low ripple and noise, making it extremely efficient. It also features a variety of protection features including overvoltage, overload, and short-circuit protection. Additionally, a current sense input is provided that enables limited current-limiting by the controller. The device is available in a wide range of packages, making it suitable for many different applications. The device is an ideal choice for a variety of power management applications, on-board and off-board regulators, high voltage switching, and DC/DC converters.