LTC1772ES6#TRMPBF

PMIC - Voltage Regulators - DC DC Switching Controllers

The LTC1772ES6#TRMPBF is a highly integrated DC/DC Switching Controller. It incorporates a 5V input-output voltage regulator and can operate over a wide input voltage range of 0.6Vto 5.5V. The output voltage range of the device is adjustable from 0.6V to the maximum input voltage minus 0.2V. The device integrates a wide range of features including an adjustable soft-start, current limit protection, and an integrated on-off control.

Application Field

The LTC1772ES6#TRMPBF is suitable for a variety of applications, including automotive, LCD panelpower supplies, power control systems, and battery-powered applications. It can also be used tocontrol a wide range of digital logic circuits and LED drivers. The device is particularly suited fortelescopes, cameras, hearing aids, and other portable equipment.

Working Principle

The LTC1772ES6#TRMPBF is an integrated Buck-Boost DC/DC switching controller that utilizes a high-density, low-noise integrated switching Regulator. This controller is capable of delivering up to 5A of continuous output current. The switching frequency is adjustable, allowing the user to optimize the efficiencyand ensure accuracy of the output voltage. The device includes an Adjustable Soft-Start Function and includes a wide range of protections including Current Limit Protection and Overvoltage Protection.

The device is equipped with a dedicated timer for controlling the switching frequency and limitingthe duty cycle. The output voltage is adjustable using an external resistor. The frequency of the switching pulse is adjustable using a resistor as well. The device also includes an adjustable on-off control, allowing the user to control the current loadof the regulator. The On/Off control voltage can be either connected directly from an externalpull-up resistor or can be generated by the internal oscillator.

The device also features current-mode control, allowing the user to control the output voltageby controlling the switching frequency. Additionally, the device includes a wide range of protections against overload, shortcircuit, and overvoltage. This makes the device suitable for a wide range of applications wherereliability and safety are of paramount importance.

In conclusion, the LTC1772ES6#TRMPBF is a high-efficiency, low-noise, integrated DC/DC Switching Controller. It is suitable for a wide range of applications including automotive, LCD panel power supplies, power control systems, and battery-powered applications. Its features include Adjustable Soft Start, Current Limit Protection, and Overvoltage Protection. It is equipped with a dedicated timer for controlling the switching frequency and limiting the duty cycle. The device also features current-mode control, allowing the user to control the output voltage by controlling the switching frequency.