LTC1625IS#PBF

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The LTC1625IS#PBF is a monolithic, low-noise, voltage-mode DC/DC switching controller that is part of Linear Technology\'s family of voltage regulators and DC/DC switching controllers. This device integrates many features that provide a complete, low-noise DC/DC switching controller solution for a wide range of power applications.

The LTC1625IS#PBF can be used in a wide variety of applications including:

• DC/DC Converter Controllers
• Battery Chargers and Power Conditioners
• Telecommunications Equipment
• Power Management Applications in Portable Computers
• Distributed Power Systems

The LTC1625IS#PBF is a high-performance DC/DC switching controller that can be used in the simplest of DC/DC switching regulator architectures. It features an internally generated reference voltage and an internal 5V linear regulator early in the power-up sequence. This device has an on-chip voltage mode error amplifier that provides high-rate current limiting and over/under voltage protection capabilities. The LTC1625IS#PBF is capable of high current, synchronous rectification, high frequency operation and supports a wide range of output voltages.

The LTC1625IS#PBF has a typical operating voltage range of 2.5 V–6.25 V and features a low-noise, 25 MHz oscillator with a wide range of adjustable frequency settings, allowing it to function in voltage frequency applications where a very high switching frequency is required. It also has an integrated low-side driver with a built-in level shifting feature to ensure safe and reliable switching control. The device also incorporates an on-chip programmable current source, which can be used to sense inductor current.

The LTC1625IS#PBF features a soft-start feature for reducing inrush current and offers programmable loop compensation for optimizing system performance. The device includes an integrated voltage mode PWM regulator that works in conjunction with a variable on-off control logic to provide clean and reliable switching control.

The LTC1625IS#PBF is a low-noise DC/DC switching controller designed to meet the needs of a wide range of DC/DC switching regulator applications. Its integrated features and wide operating voltage range make it suitable for a variety of power management and distributed power systems.

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