TPS60302DGS

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TPS60302DGS is a DC/DC switching regulator integrated circuit (IC) with a number of features that make it well suited for use in buck applications. The device integrates an adjustable current limit, low-voltage drop out, under-voltage lockout, short-circuit protection and single-wire enabling. Its adjustable output voltage range is from 0.6V to 3.5V and can provide up to 1.5A of output current. The switching frequency of the regulator can be set to any value between 200 kHz and 2.2 MHz.
TPS60302DGS is a highly integrated synchronous buck regulator designed to provide space-saving and cost-effective solutions for applications requiring step-down DC/DC conversion with output voltages from 0.6 V to 3.5 V. The nominal input voltage range is from 1.8 V to 5.5 V. Additional features include power-good signal and programmable soft-start. The integrated FETs in the device can be switched between synchronous and non-synchronous modes.

The working principle of TPS60302DGS is based on the buck topology. In the buck topology, the high-voltage input is connected to the drain of the low-side MOSFET, while the source of the low side MOSFET is connected to the output of the regulator. The control input of the MOSFET is connected to the controller, which generates a PWM signal based on the input voltage and output voltage. The duty cycle of the PWM signal is then adjusted to maintain a constant output voltage. When the PWM signal is high, the MOSFET will turn on and the regulator will start charging the output capacitor. When the PWM signal is low, the MOSFET will turn off and the regulator will stop charging the output capacitor.
In addition, TPS60302DGS has built-in protection features such as over-current protection, under-voltage lockout and over-temperature protection. The over-current protection limits the current flowing through the MOSFET by reducing the duty cycle of the PWM signal. Over-temperature protection shuts down the device when the temperature exceeds the specified limit. The under-voltage lockout shuts down the device when the input voltage drops below a certain voltage. These protection features make the TPS60302DGS suitable for a wide range of applications.

TPS60302DGS is useful in a wide range of applications, such as portable device power management, automotive systems, and consumer appliances. It is also suitable for applications requiring a low output voltage, such as microprocessor core voltage regulators. With its integrated protection features, the TPS60302DGS can provide reliable power supply even in harsh operating environments.

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