TC1303B-PG0EMF

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The TC1303B-PG0EMF is a current-mode multi-phase controller for multi-phase DC/DC converter applications. It is part of the PMIC-Voltage Regulators-Linear + Switching category and is designed to provide accurate and reliable output voltages by controlling the output voltage during converters\' load cycles. This part is a high-current, low-dropout linear and switching regulator integrated circuit (IC), which is suitable for a variety of applications, and can provide an output voltage range of 4.5V to 12V. The device is able to maintain the accurate output voltage and includes adjustable current limit protection circuit. The high current capability, low-dropout design and low quiescent current consumption make the TC1303B-PG0EMF a great choice for low-noise, low-power applications.

The TC1303B-PG0EMF operates by incorporating switching and linear stages to regulate the output voltage. In the linear mode, the output voltage is directly sampled from the output feedback resistors, which are connected to the SUB output. Since the feedback resistors are monitored for the output voltage, the output voltage of the linear stage remains accurate. This linear stage is also capable of easily coping with the small load currents, providing an accurate output voltage for low-power applications.

In the switching mode, the device uses internal high- and low-side MOSFETs, which are connected to the switching prop pin and switch nodes, respectively. The switching prop pin is also connected to an internal oscillator, which creates a square wave signal. This signal is used to drive the MOSFETs connected to the switch nodes and control the output voltage. The internal oscillator can be programmed by external resistors and capacitors to adjust the switching frequency. When the load requirements change, the output can be adjusted by the MOSFETs.

The TC1303B-PG0EMF also includes a number of protection circuits to ensure the safe and reliable operation. These include an over-voltage protection, over-current protection, under-voltage protection, thermal shutdown, as well as short-circuit, drop-out and power down protection. This ensures that the device can safely operate in the wide variety of applications and conditions.

Given its features and circuit design, the TC1303B-PG0EMF is ideal for use in a variety of applications, including highcurrent power converters, adapters, medical and industrial equipment. The device can effectively provide high-accuracy output voltage and current as well as protection against overcurrent and short-circuit conditions, making it well-suited for applications requiring high performance, reliability and safety.

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