LTC3413EFE#TRPBF

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LTC3413EFE#TRPBF application field and working principle

The LTC3413EFE#TRPBF is a high-efficiency step-up switching regulator with a very high power density. It is a synchronous, fixed-frequency, step-up DC/DC converter with a wide-ranging output voltage from 0.8 V to 24 V. It can deliver a maximum current of 3 A. The maximum output power is 75 W, with an efficiency of up to 96%. It is designed to work with voltages up to 40 V, and is supplied in a small 28-pin thermally enhanced 5 mm × 5 mm QFN package.

The LTC3413EFE#TRPBF switching regulator is used in many applications, including portable electronics, wireless communication devices, computing applications, digital signaling systems, system level power supply regulation, power management applications and general-purpose DC/DC conversion.

The working principle of the LTC3413EFE#TRPBF is quite simple. It employs a synchronous architecture topology to provide high efficiency and low noise output. The switching element is N-channel MOSFETs, which are driven by a fixed frequency, low-side gate drive circuit which uses Pulse Frequency Modulation (PFM) to maintain good efficiency. The feedback circuit is connected to the output node and provides the necessary loop compensation and phase lead/lag compensation in order to maintain accurate voltage regulation and good transient response.

The high efficiency of the LTC3413EFE#TRPBF is achieved by employing a proprietary control scheme which reduces power dissipation across the transistor by rapidly switching the devices at low drain-source voltages. This technique eliminates the need for any additional active components to reduce the power loss of the MOSFETs. The switching frequency can be adjusted through an external resistor, while the voltage output is limited by an internal current limit circuit.

The LTC3413EFE#TRPBF also incorporates a number of safety features to ensure normal operation, such as thermal protection, overload protection, under-voltage lockout, constant current limit and short-circuit protection.

In conclusion, the LTC3413EFE#TRPBF is a highly efficient, compact and cost-effective DC/DC switching regulator that can be used in a wide range of applications. It features a small size, wide input voltage range, high output power and high efficiency in a single package.

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