TPS54311PWPRG4

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TPS54311PWPRG4 is an integrated voltage regulator for dc-to-dc conversion in power management applications. It integrates two integrated power switches and no external signals are required to control the regulation of output voltage. Built-in current limiting and thermal shut-off limit the current and the maximum temperature so that the device never is over-worked. The device operates with a low standby current, making it ideal for mobile and battery-operated applications.

This device is categorized under PMIC – Voltage Regulators – DC DC Switching Regulators due to its ability to convert direct current (DC) – to – direct current (DC) through the use of an integrated switching regulator. The integrated switching regulator allows for the conversion of an input voltage (dc) into an output voltage (dc) of the same polarity without the use of an external power source or external switches. In addition, the voltage regulator allows for the regulation of output voltage when the input voltage changes.

TPS54311PWPRG4 devices operate with an input voltage range of 2.6 V to 5.5 V and an output voltage range of 0.6 V to 5.1 V. The devices can support a maximum peak load current of 5.5 A, output resistance of 5 mΩ and an on-time of 0.75 μs. The devices feature overvoltage protection (OVP) and short circuit protection (SCP). The integrated power switches provides a switching frequency of up to 2 MHz.

TPS54311PWPRG4 devices provide fast and accurate dynamic response to a wide range of load changes with a programmable over current protection (OCP) function. They also feature adjustable soft-start and low noise operation. Additionally, the devices have an adjustable power-save mode with a programmable turn-off current. The sleep mode is also programmable with a low standby current. The over temperature protection feature also ensures that the device won\'t be over worked.

The working principle of the TPS54311PWPRG4 can be described as follows. When an input voltage is applied, an internal PWM control loop is activated, and the output voltage is regulated. The controller adjusts the on-time of the integrated power switches, based on the input and output parameters, to maintain a constant output voltage. The power switches are also capable of controlling the input voltage, which allows the device to regulate the output voltage irrespective of the input voltage changes. In addition, the integrated protection features, such as short circuit protection and overvoltage protection, help to protect the device from overloads and surges.

The TPS54311PWPRG4 is primarily used for power management applications in mobile systems, digital home appliances, mobile phones, battery chargers, and portable audio and video systems. The device is also suitable for automotive and industrial applications, including home appliances, HVAC control, power supply, lighting, and metering systems.

In summary, TPS54311PWPRG4 is an integrated voltage regulator for dc-to-dc conversion in power management applications. It incorporates two integrated power switches and no external signals are required to control the regulation of output voltage. This device is categorized under PMIC – Voltage Regulators – DC DC Switching Regulators, due to its ability to convert direct current (DC) to direct current (DC) through the use of an integrated switching regulator. The device operates with a wide input voltage range (2.6 V to 5.5 V) and output voltage range (0.6 V to 5.1 V). It is mainly used for power management applications in mobile systems, digital home appliances, mobile phones, battery chargers, and portable audio and video systems.

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