LTC3115IFE-2#TRPBF

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The LTC3115IFE-2#TRPBF is a feature-rich DC/DC step-down switching regulator designed to operate in a wide variety of applications. The LTC3115IFE-2#TRPBF is highly integrated – with only 6 external components required – and can operate in both synchronous rectification and diode rectification modes. With its adjustable Frequency, programmable current-limit setting, and wide input and output voltage ranges, the LTC3115IFE-2#TRPBF utilises the control system, synchronous rectification, and current-limit circuitry to provide a simple, efficient, and cost-effective solution for many applications.

Applications for LTC3115IFE-2#TRPBF include battery chargers, portable monitoring systems, wireless handsets, modems/routers, and other portable/handheld applications. With its wide input and output voltage range, adjustable frequency and programmable current-limit setting, LTC3115IFE-2#TRPBF can be designed to fit nearly any power architecture. Moreover, its low noise operation at 10MHz switching frequency allows the regulator to be used in noise sensitive applications such as audio systems or even digital audio or broadcast devices.

The LTC3115IFE-2#TRPBF employs a current-mode design. This provides the ability to accurately regulate current in response to changing loads. This active current control provides a direct, efficient control of the output current for any given power supply design. As a result, the LTC3115IFE-2#TRPBF can providehigh efficiency during most operating conditions, even at light loads.

The LTC3115IFE-2#TRPBF also has a shutdown mode that can be used to reduce power consumption when the system is in standby or sleep mode. This feature reduces the total system power consumption while preventing any damage due to switching transients. The efficiency of the system is not affected by the shutdown feature as it is designed to maintain full efficiency, even in shutdown mode.

In addition, the LTC3115IFE-2#TRPBF is designed to protect against overvoltage, overtemperature and short-circuit conditions. The overvoltage and overtemperature protection are combined in a single circuit that monitors both conditions, allowing the device to effectively protect the system from power related hazards.

The LTC3115IFE-2#TRPBF can also be configured for controlling a fuel cell or PEM power system. By programming the device for pulse-width modulation (PWM) control, the system can be switched on or off in order to regulate the power output from the fuel cell. The device has 32 programmable PWM registers, each providing a separate graduation of current control. Furthermore, the LTC3115IFE-2#TRPBF can be configured for self-oscillation to ensure stable operation and to improve efficiency.

The LTC3115IFE-2#TRPBF is a highly-integrated DC/DC step-down switching regulator designed to meet a variety of application needs. With its high efficiency, automatic temperature and current regulation, and programmable PWM control, the LTC3115IFE-2#TRPBF is an excellent choice for battery chargers, portable monitoring systems, wireless handsets, modems and routers, fuel cell/PEM power systems, and other portable/handheld applications.

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