TPS61073DDCRG4

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The TPS61073DDCRG4 is a high performance step-down DC-DC switching regulator integrated with a 0.35Ω N-channel MOSFET, ideal for high current applications such as server, desktop, laptop, tablet and smartphone battery charging, as well as industrial control and communication boards. The device delivers up to 20A of continuous output current and operates from 2.2V to 17V input supply voltage range with efficiency of up to 93%. Other features include a soft start, programmable over current protection, and adjustable switching frequency from 200 kHz to 2.2MHz.

TPS61073DDCRG4 application field mainly covers battery charging, automation control, communications, home appliances and entertainment applications. As the battery capacity continues to increase in mobile phones and other portable devices, using a single burst mode of the switching regulator can not achieve the desired efficiency and cost. The TPS61073DDCRG4 buck converter combines constant current/constant voltage (CC/CV) mode for maximum system efficiency and flexibility. As a type of DC-DC switching regulator, the TPS61073DDCRG4 offers high power efficiency, fast transient response, small size and low cost.

TPS61073DDCRG4 working principle is based on the modern control technique of pulse width modulation (PWM). It is a DC-DC converter which creates an output voltage from an input voltage with the help of high frequency pulse width modulation. When a logic signal is applied to the base of the switching transistor, the transistor is switched on and off at a certain frequency. The duty cycle of the voltage waveform is defined by the on time (t) and off time (t). The duty cycle determines the output voltage. The duty cycle is controlled by the external control logic, ensuring stable output voltage even under varying load conditions.

The TPS61073DDCRG4 is a high performance step-down DC-DC switching regulator integrated with a 0.35Ω N-channel MOSFET, offering excellent power efficiency and flexible designs. It is especially suitable for battery charging, automation control, communications and other applications.

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