LT1245IN8#PBF

LT1245IN8#PBF is a kind of DC / DC Switching Controller designed by Linear Technology. It is designed for wide input voltage range to meet the demands of data converters, LCD displays, telecom and industrial systems. It\'s aimed to provide an easy-to-use, efficient and low cost solution for system designers.

The LT1245IN8#PBF is based on an integrated circuit containing a low dropout and low noise linear regulator, a high speed switching control circuit, and a fast voltage rise time control circuit. It has advanced protection functions and a high output voltage accuracy. The LT1245IN8#PBF allows wide input and output range, excellent transient response and high efficiency operations.

The LT1245IN8#PBF features internal overvoltage protection, precise duty-cycle regulation, adjustable threshold voltage, and logic compatible shutdown. It is also provided with internal current and thermal protection. The LT1245IN8#PBF is a low power, wide input and high efficiency DC / DC controller with a long lifetime and high performance.

Application Field

The LT1245IN8#PBF is suitable for applications such as LCD display power supplies, data converters, telecom, and industrial systems. It\'s ideal for applications requiring a high output voltage accuracy and fast, low noise voltage transition times. It can control a wide range of input and output voltages with high efficiency and long lifetime.

This DC/DC controller is ideal for low power applications, with a low power consumption and good voltage accuracy. In addition, the device has a low noise and fast transient response that make it perfectly suitable for LCD displays and other high frequency applications.

The LT1245IN8#PBF is also suitable for applications where high accuracy, low noise output and a wide input voltage range is required. It can control a wide range of voltage rails, ranging from 3.3V to 12V, with efficiency up to 95%.

Working Principle

In order to convert its input voltage to the desired output voltage, the LT1245IN8#PBF utilizes a PWM (Pulse Width Modulation) control system. During normal operation, a voltage comparator checks the voltage at the output of the switching regulator, and compares it to the voltage at the reference neural. A signal is then generated and is proportional to any differences between the input and output voltages. This signal is then used as the modulating signal for the Pulse Width Modulation (PWM) output.

The PWM signal is then used by the switching regulator to switch the current pulse width, which in turn regulates the output voltage of the DC / DC converter. In most cases, the output voltage is regulated with respect to the input voltage, and the output voltage is kept constant despite changes in temperature and the load. The LT1245IN8#PBF has an advanced protection circuit that can monitor several conditions to protect against damages caused by over-current, over-voltage, short circuit, and thermal overloads.

Overall, the LT1245IN8#PBF is a powerful and efficient DC / DC controller that offers wide input and output range, excellent transient response, high efficiency operations, and advanced protection functions. It is ideal for applications requiring a high output voltage accuracy, fast, low noise voltage transition times, and long lifetime.