TFS7704H

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The TFS7704H is a type of DC-DC switching controller collectively known as Pulse Width Modulation (PWM) controllers. PWM controllers, also referred to as “switching regulators,” regulate the output voltage of a power or load circuit by turning a device on and off rapidly, or “switching,” in order to maintain a desired voltage output. This helps to increase energy efficiency, as well as maintain and regulate the voltage, current, and power in the system. The TFS7704H is designed specifically to produce a regulated output voltage between one and eight volts.

The TFS7704H is capable of operating at a voltage input of up to 28V and a current rating of up to 2A. It is a single-stage, non-synchronous PWM controller that is capable of operating at high frequencies, up to 1MHz. It also has a wide range of output voltage capability and a high power output, making it an ideal choice for a wide variety of applications. The TFS7704H also has many features that make it well-suited for a range of applications, such as ultra-low quiescent current, high efficiency, low stress on MOSFETs, current sense pre-bias and startup, thermal shutdown, soft-start, adjustable frequency and duty cycle, and low EMI.

The TFS7704H is largely used in DC-DC power systems and supplies. It is used to accurately regulate the output voltage from a DC power source, such as a battery or power supply, as input voltage may fluctuate for a variety of reasons. The TFS7704H helps to ensure that the output voltage remains constant, regardless of input variations.

The TFS7704H utilizes a PWM technique to control a transistor switch, usually a MOSFET transistor. When the duty cycle of a PWM signal is increased, the MOSFET will be turned on for a longer period of time and more current will flow through the circuit, resulting in a higher output voltage. Conversely, when the duty cycle is decreased, the MOSFET will be turned on for a shorter period of time and less current will flow through the circuit, resulting in a decrease in output voltage. This ensures that the output voltage stays within a desired range.

The TFS7704H also has an adjustable frequency and duty cycle. It uses a voltage divider to set the internal reference voltage, which is then compared to the feedback voltage to determine the duty cycle of the PWM signal. This helps to ensure that the output voltage is accurately regulated. Additionally, the TFS7704H has a soft-start feature, which allows the voltage to rise gradually and prevents current overloads or drops.

Overall, the TFS7704H is an ideal choice for voltage regulation, especially in DC-DC power systems. It is capable of operating at high frequencies and boasts a wide range of output voltage capability and a high power output, making it an ideal choice for a wide variety of applications. It also has a wide variety of features that make it well-suited for a range of applications, such as current sense pre-bias, thermal shutdown, soft-start, and adjustable frequency and duty cycle.

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