TPS60501DGSG4

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The TPS60501DGSG4 is a high-efficiency, adjustable, step-down switching regulator. It is ideal for applications such as battery-powered systems, USB-power conversion, and portable devices. It features a wide input voltage range of 4.5V to 36V and an adjustable output voltage of 0.6V to 3.2V. The TPS60501DGSG4 uses a synchronous-rectified buck converter topology, allowing it to achieve high efficiency and fast transient response. It also features a power-good signal, adjustable soft-start, and external compensation for ease of design and system optimization.

The TPS60501DGSG4 is designed for high-performance and high-efficiency operations. It uses architectural features such as adaptive Voltage Positioning (AVP) and Low-Side MOSFET as RDS(on) sensing to reduce current-sensing resistors, thereby improving efficiency. Its high frequency (3 MHz) operation allows for the use of tiny, low-cost, easy-to-install inductors and capacitors. The TPS60501DGSG4 also features adjustable current-limit, over-voltage protection, short-circuit protection, and an adjustable soft-start.

The TPS60501DGSG4 is an adjustable step-down switching regulator. It accepts an input voltage of 4.5V to 36V and regulates it down to an adjustable output voltage of 0.6V to 3.2V. Its two main components are the power inductor and the power MOSFET, both of which are essential for the efficient and accurate regulation of the output voltage. The power inductor stores energy for each switching cycle, and the power MOSFET switches between the input voltage and the output voltage. Together, they act as a switching regulator, controlling the output voltage over a wide range of input and load conditions.

The TPS60501DGSG4 is controlled by an internal voltage loop that monitors the output voltage. The voltage loop uses an error amplifier, a programmable output voltage, an internal reference voltage, and a single resistor to control the output voltage. It will adjust the duty cycle of the power MOSFET to achieve the desired output voltage.

The power MOSFET also acts as a current limit, meaning that the output current of the TPS60501DGSG4 cannot exceed a certain value. The current limit can be adjusted by either using an external resistor or by setting the current limit directly in the device. Additionally, the TPS60501DGSG4 includes an automatic power-good signal that warns the system whenever the output voltage is outside of the programmed limits. This feature eliminates the need for a discrete power-good signal.

The TPS60501DGSG4 is an ideal choice for a wide range of applications, from battery-powered systems and portable devices, to USB-power conversion. Its high efficiency, fast transient response time, adjustable voltage and current limit, power-good signal, and adjustable soft-start make it ideal for applications that require fast, accurate, and safe power conversion.

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