TPS65124RGTRG4

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TPS65124RGTRG4 is a low-voltage, low-power synchronous step-down regulator in a 4mm × 4mm QFN package. It is suitable for any application that requires smaller size, low voltage and power output.

TPS65124RGTRG4 belongs to the PMIC (Power Management Integrated Circuit) category. It belongs to the Voltage Regulators category, under the Special Purpose subcategory. It has an input voltage of 3.0V to 18V, and an output voltage range of 0.6V to 12V with an accuracy of ±1%. The device features built-in automatic soft-start, integrated loop compensation, current limit and thermal shutdown protection, allowing it to support output currents up to 4A without additional external components.

The device is capable of providing up to 95% efficiency with a switching frequency of 500kHz-2.2MHz. It offers ultra-low quiescent current at lower output current, as low as 22μA in light-load conditions. The device also features adjustable output current range, adjustable soft-start frequency, and adjustable voltage ramp rate for better control of the converter.

The working principle of the TPS65124RGTRG4 is based on the switched-mode power conversion. It uses pulse-width modulation (PWM) techniques to control the output voltage. The PWM waveform generated by the device inverts the input voltage and regulates it to the desired voltage level. It integrates a fixed frequency oscillator and a Flip-Flopper to generate a pulse waveform. It uses feedback from the output voltage to create a voltage loop that controls the input voltage and output voltage.

The device is ideal for a variety of applications such as telecom base station bias and low-voltage/ low-current applications. It is also applicable for industrial applications such as embedded processors, data converters, and wireless battery-powered devices. The device is offered in a lead-free, RoHS compliant package.

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