TPS65120RGTRG4

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TPS65120RGTRG4 is categorized under Voltage Regulators and as one of the Special Purpose category. It contains integrated load switch power supplies and comes configured with 4-channel LED drivers and a step-down voltage regulator. This device is especially well suited for applications that require low noise output voltage and LED backlighting.

The TPS65120RGTRG4 is a synchronous buck-boost LED driver-regulator that is capable of delivering 3.2 V to 6.5 V of output voltage. It includes a low noise step-down voltage regulator, load switches with programmable turn-on. It also includes a 4-channel LED driver, PWM dimming and an externally adjustable output voltage on the regulator. For example, if the input voltage is 5.5 V and the required output voltage is 4.5 V, then the output will be 4.5 V. The output voltage is adjustable from 0.8 V to 6.5 V by adjusting the external voltage input.

The TPS65120RGTRG4 is ideal for applications such as mobile phones, digital still cameras, portable navigation systems and automotive infotainment systems where low power consumption and low noise are paramount.

The working principle of the TPS65120RGTRG4 can be summarized in four steps. First, a voltage reference is generated which sets the output voltage of the regulator. Second, the load switches are turned on and provide power to the step-down regulator. Third, the step-down regulator outputs the regulated voltage, while the fourth step involves the 4-channel LED driver which takes the power from the regulator to drive the LEDs. The device also incorporates advanced features such as integrated fault protection and undervoltage protection. One of the key features of this device is the variable output voltage that can be set externally.

Overall, the TPS65120RGTRG4 device is a power management integrated circuit which integrates a synchronous buck-boost LED driver and a step-down voltage regulator in a very small form factor. It is designed to provide power to LED backlighting applications, providing low noise and high efficiency output regulation. The adjustable output voltage makes the device suitable for a wide range of applications.

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