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LX1684 - Voltage-Mode PWM Controller

Description

KEY

Features

  • W W W. Microsemi . COM The LX1684 is a monolithic, voltagemode pulse-width modulator controller. It is designed to implement a flexible, low cost buck (step-down) regulator supply with a minimal of external components. The LX1684 has a synchronous driver for higher efficiency and is optimized to provide 12V to 3.3V or 12V to 2.5V regulation. It also can be used to convert 5V or 3.3V to voltages as low as 1.25V. Switching frequency is fixed at 175kHz for optimal cost and space. Short-circuit cu.

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LX1684 L I N F I N I T Y D I V I S I O N Voltage-Mode PWM Controller P RODUCTION DESCRIPTION KEY FEATURES W W W. Microsemi . COM The LX1684 is a monolithic, voltagemode pulse-width modulator controller. It is designed to implement a flexible, low cost buck (step-down) regulator supply with a minimal of external components. The LX1684 has a synchronous driver for higher efficiency and is optimized to provide 12V to 3.3V or 12V to 2.5V regulation. It also can be used to convert 5V or 3.3V to voltages as low as 1.25V. Switching frequency is fixed at 175kHz for optimal cost and space. Short-circuit current limiting can be implemented without expensive current sense resistors.
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