XRP7740ILB-F

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The XRP7740ILB-F is a linear plus switching programmable multiple-output complete subsystem power management integrated circuit (PMIC) designed for a wide range of applications. It is part of the RICOH Power Management IC (PMIC) family which is focused on providing system-level solutions for a variety of applications including consumer, embedded, industrial and automotive. It is built upon a fixed voltage buck regulator and high-efficiency synchronous rectified buck and boost converters, along with a range of features that provide flexibility and convenience in high-current and low-voltage applications. The XRP7740ILB-F is ideal for high-efficiency, low quiescent current, portable, and low-voltage power solutions.

The XRP7740ILB-F includes an integrated high/low side MOSFET driver, an integrated linear regulator and a precision reference, plus a range of features. The integrated linear regulator provides high efficiency, low noise and is useful in applications that require both a high and low voltage supply. The integrated MOSFET drivers provide enhanced current handling capacity with low quiescent current. The integrated precision reference ensures accuracy and stability resulting in improved conversion performance. The XRP7740ILB-F also includes a wide range of protection and control features such as soft start, etc. These features make the XRP7740ILB-F suitable for a wide range of high-efficiency, low quiescent current, and low-voltage applications.

The XRP7740ILB-F is designed to operate with two external components, namely an inductor and a capacitor. The inductor is used to step-up or step-down the voltage, and the capacitor provides output ripple and noise reduction. The XRP7740ILB-F works in either CCM or DCM with the external components, and has two modes of operation. In CCM, the inductor current varies between zero and the maximum peak current while the output voltage is regulated. In DCM, the inductor current is regulated and the output voltage can vary. This mode is useful for applications requiring a high degree of accuracy in the output voltage.

The XRP7740ILB-F is also equipped with many safety and protection features, including over-voltage protection, thermal foldback, and over-current protection. The XRP7740ILB-F also includes a built-in reset circuit which makes it suitable for applications requiring a reset signal. Other features available on the XRP7740ILB-F include power-up sequencing, power-down sequencing, and standby mode capabilities. All these features give the device the flexibility to address different applications.

In summary, the XRP7740ILB-F programmable multiple-output complete subsystem power management integrated circuit is a comprehensive solution for a wide range of applications. It includes a high/low side driver, a linear regulator, and a precision reference, all integrated into a single chip. It is suitable for high-efficiency and low quiescent current systems as well as low-voltage applications. The wide range of protection and control features, such as soft start, over-voltage protection, and over-current protection, and the power-up and power-down sequencing features provide flexibility in addressing different applications. All these features make the XRP7740ILB-F the ideal choice for power solutions in consumer, embedded, industrial, and automotive applications.

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