TB7102AF(TE85L,F)

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The TB7102AF(TE85L,F) is a DC DC Switching Regulator which is part of a family of Pulse Width Modulator Integrated Circuits (PMIC) from Toshiba Semiconductor. It is primarily used to convert a supplied input voltage to a different output voltage in industrial and consumer applications.

The IC supports high frequency switching in order to provide efficient voltage conversion. This reduces the necessary component count and size of the electronic circuitry, enabling a compact and cost effective voltage regulation solution. The DC DC Switching Regulator can be used for both step-up and step-down voltage conversion depending on the application.

The TB7102AF(TE85L,F) is a monolithic Integrated Circuit consisting of three main parts: the feedback system, the control section and the driver section. The feedback system senses the output voltage of the regulator and compares it to the reference voltage. The difference is then sent to the control section, which adjusts the duty cycle of the driver section to maintain the desired output voltage. The driver section is responsible for switching the power transistors, which impose a high frequency switching action on the output voltage.

The feedback system includes three (two for the TE85L) independent comparators that allow for improved performance, especially in lower load current regions. These comparators detect differences between the output voltage and the reference voltage, and the regulation loop responds accordingly by increasing or decreasing the duty-cycle for the power transistors.

The control section of the IC includes a programmable oscillator frequency and a logic circuit for pulse output control. The pulse width of the power transistors switches is determined by the frequency of the oscillator. The frequency of the oscillator can be set according to the requirements of the application, allowing for a wide range of input and output voltages to be used in the circuit.

The last component of the TB7102AF(TE85L,F) is the driver section, which is responsible for controlling the high frequency switching of the power transistors. The driver section consists of three (two for the TE85L) separate power transistors that are used to switch the voltage input to the output. The power transistors are driven by a voltage regulator circuit that increases the voltage based on the frequency of the oscillator.

The TB7102AF(TE85L,F) DC DC Switching Regulator provides reliable and cost effective voltage regulation for a range of industrial and consumer applications. Its small size and efficient design makes it well suited for use in space-constrained applications where size and weight is a major factor. The IC is designed to operate over a wide range of input and output voltages, allowing a single design to be used in many different applications.

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