LTC3115EDHD-2#TRPBF

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The LTC3115EDHD-2#TRPBF is a synchronous 4-switch buck-boost DC/DC regulator in an ultra-small package from Analog Devices. This design incorporates an easy-to-use step-down/step-up controller that has a wide input voltage range of 2.7V to 24V and can operate up to 5A output current. This device is ideal for portable applications that are powered by a single-cell Li-ion battery, and output voltages of 2.7V to 18V can be easily programmed with an external resistor. The device features a PFM/PWM high-efficiency system with a fixed 400KHz frequency, an adjustable frequency mode and soft-start control. The LTC3115EDHD-2#TRPBF includes an integrated slew-rate control which ensures high ripple rejection, thereby eliminating the need for a large external-output capacitor, saving board space. The device also uses a high-frequency synchronous conversion process to achieve high efficiency performance of up to 96%, and adjustable battery-input current limit, allowing the user to maximize charger compatibility.

The LTC3115EDHD-2#TRPBF is designed to operate in two different modes, step-down and step-up mode. In step-down mode, the device accepts an input voltage of 2.7V to 24V and provides a regulated output voltage of 2.7V to 18V. This mode is commonly used to provide a low output voltage from a high input voltage. For example, this mode could be used to provide 3.3V from a battery voltage of 4.2V. In step-up mode, the device accepts an input voltage of 2.7V to 18V and provides a regulated output voltage of 2.7V to 24V. This mode is commonly used to convert a low input voltage to a higher output voltage. This may be used, for example, to increase the battery voltage of 3V to 5V for system use.

The LTC3115EDHD-2#TRPBF also features a wide input voltage range, adjustable output voltage and high efficiency performance to provide consistent power conversion in a wide range of applications. This device is best suited for battery powered solutions such as GPS systems, medical equipment, audio and broadcast systems, and mobile computing products.

The LTC3115EDHD-2#TRPBF is well-suited to support charging of single-cell Li-ion battery packs, such as those used in mobile phones and other portable electronic devices. This design is also well-suited for powering devices that have multiple outputs with different voltage requirements. It can easily be programmed for multiple voltages, reducing the need for additional components. Additionally, this device can be optimized to charge the battery, protect it from over-current, and limit the amount of power consumed from the input.

The LTC3115EDHD-2#TRPBF is a high-efficiency DC/DC switching regulator with multiple modes, offering efficient power conversion for a range of applications. Its flexibility makes it ideal for a wide range of portable applications that are powered by single-cell Li-ion batteries. With its wide input voltage range, adjustable output voltage, high efficiency operating mode, and battery protection features, the LTC3115EDHD-2#TRPBF provides a reliable and cost-effective solution.

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