TPS53355DQPT

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The TPS53355DQPT is a synchronous buck regulating switch suitable for component applications where the highest levels of power management performance are required. This particular model is a positive stepping regulator with a unique proprietary core that enables it to create a higher output voltage at low current levels. The device is composed of two main components; an internal oscillator and a two-stage regulator. Its power input management is based on an integrated voltage level monitor that detects when the input levels reach a predetermined point and triggers the integrated voltage conversion. An inductor is then connected to the output terminals of the regulator to convert the low input current into a higher output voltage.

The high precision of the TPS53355DQPT makes it ideal for powering low-voltage components and devices. Its switching frequency can be adjusted from 2.3kHz to 4.8kHz, enabling the device’s output voltage to provide up to a maximum of 95 percent of the input voltage at load current up to 1A. When the output current is below the set level of 1A, the output voltage of the device will maintain an 80% efficiency. This regulation ensures that the output voltage is accurately controlled regardless of the input and load conditions.

The TPS53355DQPT is an ideal selection for various applications, including LAN, mobile phones, and consumer electronic applications. Its internal structure is frugal with resources, allowing it to achieve high efficiency while consuming a minimum amount of energy. It uses all-suffoil process, and its variable oscillation from 2.3 to 4.8kHz with a fixed pulse width modulation (PWM) control.Its MOSFETs are provided protection with both leading edge blanking (LEB)and built-in anti-saturation (ASAP) circuits, as well as temperature, voltage and current protections. Furthermore, the device possesses a robust electrostatic discharge (ESD) protection up to 8kV HBM. With these properties, the TPS53355DQPT is well-suited to handle a wide range of applications.

The TPS53355DQPT is designed to ensure a constant output voltage over a wide range of input voltage and output current.The battery current and output voltage are controlled by two voltage reference parameters: the voltage adjustment pin, VADJ, and the regulation pin, VR. Depending on the user configuration settings, the device can be set to generate a fixed output voltage or a variable output voltage of up to 95% of the input voltage. The device converts the input voltage to the regulated output voltage by sequentially switching on and off the internal MOSFETs, which ensures smooth current transition and minimal losses.

Additionally, a slew rate limitation feature is integrated into the core to prevent large load currents caused by instantaneous high-speed load changes. The device also provides an uncompensated external compensation feedback loop that can be used to increase the current limit and accuracy of the output voltage regulation. The adjustable slew rate feature prevents overshoot and undershoot of the output voltage, while the proprietary PWM control maintains tight voltage regulation while consuming minimal power.

The TPS53355DQPT is well-suited to address a wide range of power management needs. Its efficient operations and peak performance are ideal for a variety of applications including those that demand reliable operation and fast response times. Furthermore, the device’s superior design eliminates the need for external components and its adjustable switching frequency allows designers to quickly tailor the device to their specific needs.

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