TPS62243DRVTG4

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The TPS62243DRVTG4 can be classified under DC-DC Switching Regulators in the PMIC Voltage Regulators category. This integrated high efficiency, low-cost, high-frequency step down converter is specifically designed for a wide range of power applications. It features high efficiency over a wide range of loads, faster transient response due to its small external components, low minimum input voltage to maintain D-CAP3 mode performance, and adjustable output voltage. The dynamic response of the TPS62243 is excellent, making it well suited for battery powered applications by providing high efficiency at reduced output current.

The TPS62243DRVTG4 application field provides benefits in digital LED drivers, wireless charging, smartphones, IoT, and ultra-low power applications. The device offers 5V or adjustable output voltage, supports output current up to 300 mA. With up to 93.6% efficiency, the TPS62243DRVTG4 is able to minimize power dissipation across voltage and current regimes.

The device works by drawing a current from the input power supply, which is regulated by the internal MOSFET switching to a voltage regulated output. The output voltage is regulated by the voltage reference of the VREF pin, and the current limit is set by an external resistor to the DIM pin. A difference amplifier is then used to control the switching regulator to provide for excellent dynamic response and low output voltage ripple. The device is protected from overload and short circuit situations by the on-chip current limit, as well as over-temperature protection.

The TPS62243DRVTG4 incorporates two different types of efficiency: quasi-resonant transition switching and Discontinuous Conduction Mode (DCM). Quasi-resonant transition switching provides high efficiency over a wide load range. In DCM, the output voltage ripple is minimized and allows for high frequency operation. The switch frequency is proportional to both the input and output voltage, and can be adjusted with the external components to achieve the desired performance.

The TPS62243DRVTG4 is an efficient, low-cost high-frequency step down DC-DC converter with a wide range of applications. It features high efficiency over a wide load range, fast transient response, and adjustable output voltage. It also features a quasi-resonant transition-switching and DCM for high efficiency and low output voltage ripple. The device is protected from overload and short circuit conditions and is ideal for battery-powered applications.

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