LT1107CS8#TRPBF

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The LT1107CS8#TRPBF is a monolithic step-down synchronous switch mode converter integrated circuit (IC) designed and manufactured by Linear Technology Corporation. It is designed to withstand input voltages of 4.5 V to 33 V, with a wide voltage range of 4.5 V to 27 V, and is pin-to-pin, drop-in compatible with the LT1611 step-down switching regulator. It contains a high-performance low-power DC-DC switching regulator, with a 3-A integrated switch and a synchronous rectifier, and is capable of providing 1-A output current with 0.85-V differential regulation.

LT1107CS8#TRPBF has a wide variety of applications in different power applications, such as portable and desktop computers, LCD TVs, automotive, industrial, and battery operated systems. It is ideal for dual rail output and is capable of providing 1-A output current with 0.85-V differential regulation. The IC provides high speed, low distortion, and low noise performance in all load conditions, while allowing designers to easily accommodate space-saving and cost-effective designs. It also features a wide-range frequency synchronization range from 0.75 MHz to 2.5 MHz.

The LT1107CS8#TRPBF is based on current mode control with synchronous rectification and has a high-frequency clock (FH FT) for synchronizing an external switching frequency. It operates in either pulse width modulation (PWM) or pulse frequency modulation (PFM) modes and implements a wide range of control functions, including adjustable switching frequency, current limit, short circuit protection, power-good indicator, and an adjustable soft start. It also includes an internal voltage feedforward (VFF) to reduce the output voltage ripple.

The LT1108CS8#TRPBF step-down synchronous switch mode converter IC has an internal pre-driver to reduce switching losses and maximize efficiency. The IC has an internal start-up current of 15 mA and can achieve high efficiency up to 95%, with less than 0.45-V dropout voltage. High-speed diode emulation mode reduces the output voltage droop at low load currents.

The LT1107CS8#TRPBF features a high-speed architecture that allows it to achieve a fast transient response and good line-load regulation. It has an adjustable soft-start and is capable of delivering up to 1-A output current with 0.85-V differential regulation. The IC also has an adjustable switching frequency from 0.75 MHz to 2.5 MHz, allowing designers to optimize the system performance according to their specific application needs. The power-good indicator is used to indicate the presence of a valid output voltage and to enforce a minimal hold-up time.

Overall, the LT1107CS8#TRPBF is a cost effective, space saving, and high performance DC-DC switching regulator IC which features an integrated low-power linear regulator and a flexible designto accommodate a wide range of applications. Its high-speed architecture and comprehensive protection features guarantee reliable operation and enables it to easily meet the stringent power requirements of many different kinds of of power applications.

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