LT1374CR-SYNC#PBF

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The LT1374CR-SYNC#PBF IC is a high frequency switched regulator from Linear Technology, optimized for applications that require a very high efficient, small and low cost solution. Well suited for use in high power and current applications the device is capable of delivering up to 8Amps of current. In addition, the IC provides a standby sleep modes with low quiescent current and has a very low shutdown current. The IC is also capable of producing a regulated output voltage as low as 1.2V and as high as 13.5V, making it suitable for a range of applications.

The IC operates in a synchronous step-down mode and employs a high frequency switching architecture and a pulse-width modulation (PWM) scheme to achieve very high efficiency. The operating frequency is set by an internal oscillator or an external clock signal in case of an external clock version of the IC. The switching frequency can be programmed using an external resistor ranging from 250KHz to 1.5MHz.

The IC has a wide input voltage range of 4.5V to 40V and can be used in a variety of power supply, DC power system and industrial applications. It has a wide range of flexible features including 98% efficiency, pulse by pulse current limit and short circuit protection, wide range power save mode and forced continuous mode. The IC also employs an auto-restart protection scheme that allows it to start up even if it has been overloaded or has entered in a dormant state.

The IC has very low ESR and high ripple current capability and features a wide range of protection features including over-temperature, over-voltage, under-voltage and short-circuit protections. It also features programmable soft-start, over current, and power sync functions to protect the IC from damage.

The IC is available in a small 4x4mm DFN 20-pin package and is RoHS and Halogen compliant. The device is ideal for handheld applications and mobile phones, as well as for embedded systems where space, cost and power efficiency are major considerations. The device is also ideal for general purpose DC-DC voltage regulation applications such as DC/DC convertors, power sequencing and sequencing in LCD displays.

In summary, the LT1374CR-SYNC#PBF IC is an extremely efficient, versatile and low cost device, ideal for use in high power and current applications. With its wide input voltage range and highly efficient step-down synchronous architecture, the device offers a complete solution for a variety of power supply and DC power system applications.

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