LT1950EGN#TRPBF

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LT1950EGN#TRPBF is a fixed-frequency, current-mode, Non-Synchronous Buck-Boost switching controller. It’s a monolithic integrated circuit device that was developed for high-performance DC-to-DC power conversion. It is integrated with many components such as high-speed transistors, internal high voltage converter, and programmable current sense amplifier to give best power conversion efficiency, low output ripple and excellent transient response.

Application Field - LT1950EGN#TRPBF

LT1950EGN#TRPBF is mainly used in wide range of applications such as automotive, Industry, and Telecom/Data comm. A few popular applications of LT1950EGN#TRPBF are:

• Automotive styling applications like LED illumination and DC motors.
• Industrial power supplies and controllers.
• Communication and industrial electronics.
• Printer and display power supplies.
• PC motherboard power supply.
• Universal serial bus power.

Working Principle - LT1950EGN#TRPBF

LT1950EGN#TRPBF works by generating a pulse width modulated (PWM) signal for manipulating the power conversion circuit for controlling the output voltage. Its internal high voltage converter then changes its operation based on the input to output voltage conversion requirements. The working of this device can be explained in three parts —

• Mode Detection Circuit: This circuit is responsible for detecting the voltage conversion requirements of the input and output. It compares the input solar panel and the output battery voltages with respect to certain reference voltages and accordingly sets the high voltage converter switches, as well as the high side and low side PWM signals.
• High Voltage Converter: This output stage works as a high voltage switch, which means it is able to rapidly switch between the input voltage (Vin) and the output voltage (Vout) with high accuracy. It is responsible for controlling the output voltage and the efficiency of LT1950EGN#TRPBF.
• Current Sense Amplifier: The current sense amplifier is responsible for providing the feedback signal to the high voltage converter for designing the output voltage according to the requirements. This amplifier measure the input/output current through sensing resistor/shunt connected in between them. This feedback information is used in providing the precise voltage control and managing the current across the devices.

Thus, LT1950EGN#TRPBF is an excellent device with superior performance and high efficiency when used in the applications like the ones mentioned above and many more.

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