LT1376CS#TRPBF

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LT1376CS#TRPBF is an integrated switch mode DC-DC voltage regulator made by Linear Technology Corporation, which is designed for higher power density and higher efficiency. It combines a switching regulator controller with a built-in power MOSFET to form a total DC-DC converter solution. The device is ideal for regulating any output voltage from 0.5V up to 4.0V with an input voltage ranging from 4.5V to 36V. It can serve as high voltage DC-DC buck regulators, step-down DC-DC converters, and step-up DC-DC converters.

Features

The LT1376CS#TRPBF has many features and advantages. These features are as follows:

• 3MHz Fixed Frequency, Internal Oscillator.
• Operates from 0.5V to 4.0V Output Range.
• 50V Internal Power MOSFET.
• Programmable Soft-Start.
• Programmable Frequency.
• Built-in Slope Compensation.
• Inbuilt Voltage Feedforward.
• Compact 8-Lead Thin SOT-23 Package.
• High Power Density.
• High Efficiency.

Application Fields

The LT1376CS#TRPBF is suitable for many applications. It is especially suitable for high voltage/high current applications where a high efficiency, low totalDCON losses, board mount device is required. It is well suited for distributed power systems, including telecom and consumer products.

The LT1376CS#TRPBF offers a great solution for regulating a wide range of applications where low output voltage, high current and high efficiency is required. These include automotive and industrial applications such as battery operated devices, consumer products, instrumentation, medical equipment, portable systems, power/charging systems, lighting systems, and wide variety of multi-cell regulators.

Working Principle

The LT1376CS#TRPBF utilizes a switch-mode regulation technique. This technique uses a power MOSFET to control the output voltage. The MOSFET switches rapidly between braking and conducting, while the current is controlled by adjusting the duty cycle of the signal that drives the MOSFET. The combination of the high switching frequency and high efficiency makes it ideal for applications that require low voltage and high current output.

The LT1376CS#TRPBF relies on a combination of current mode control and voltage mode control. When the output voltage needs to be increased, current mode control is used, and when the output is to be decreased, voltage mode control is used. The voltage mode control is based on a voltage controlled oscillator which has an adjustable frequency control.

The device also includes a soft start circuit. This circuit is used to reduce inrush current, as well as increase efficiency. The device also includes a built-in slope compensation, which helps to increase the stability of the output voltage.

Conclusion

The LT1376CS#TRPBF is a high performance DC-DC voltage regulator which has a wide range of applications. It is well suited for distributed power systems, and thanks to its efficiency, it is ideal for applications that require low voltage and high current output. It is also very easy to use, thanks to its integrated features such as a soft start circuit and a built-in slope compensation.

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