TL3842BP

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The TL3842BP is a monolithic fixed frequency DC to DC step up switching controller. The TL3842B has been designed to operate from 4.5V to 18V input and capable of providing an output from 15V to 75V with a maximum output current of 15A. It is a versatile device that can satisfy a wide range of DC voltage regulation, ripple rejection and power conversion needs for high-density microprocessor and digital signal processor applications.

The TL3842BP is a single-chip converter that handles power conversion and voltage regulation with a single controller. It uses an internal oscillator, adjustable toggle frequency and auto-step up/down with zero-voltage switching to provide power efficiency and high noise immunity.

The working principle of the TL3842BP can be broken down into two simple steps. The first step is to set the desired output voltage by programming the max voltage (VMAX) and min voltage (VMIN). Then the chip uses an internal current source to measure the output voltage, compare it to the programmed range and adjust the duty cycle of the switch accordingly. This allows for an efficient, high power conversion.

The main features and benefits of the TL3842BP are its wide input and output voltage range, adjustable toggle frequency, and high-efficiency power conversion. The wide input range allows the TL3842BP to accept different voltage sources, while the adjustable toggle frequency reduces EMI noise and increases stability. The fixed frequency DC to DC Step-Up controller also features pre-bias start-up, current limit, low shutdown current, output voltage tracking and overshoot protection.

The TL3842BP can be used in a variety of applications, including microprocessor/DSP power supply systems, automotive systems, LED drivers, and portable electronic devices. It is also suitable for use in low power applications such as battery chargers, solar and wind power systems. In addition, its advanced current sensing techniques and adjustable toggle frequency make the TL3842BP an ideal solution for high-density, high-voltage DC to DC converters.

In conclusion, the TL3842BP is a highly efficient and cost effective DC to DC step up switching controller. Its wide input and output voltage range, adjustable toggle frequency and high-efficiency power conversion features are suitable for a range of applications in various fields. Its advanced current sensing techniques and adjustable toggle frequency ensure high power conversion and noise immunity.

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