FSDM311L

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The FSDM311L is a versatile integrated power management switch IC from Fairchild Semiconductor. It is a three-channel power conversion IC designed for use in switching power supplies, switch-mode power supplies (SMPSs), DC/DC converters, and other power conversion applications.

The FSDM311L is designed around a high-efficiency, low-loss avalanche-rugged MOSFET for exceptional power conversion performance and improved system reliability. The chip includes a range of features to enable power switching operations in a wide range of power applications. It supports wide input voltage operation (3 V to 20 V), and low on-resistance MOSFETs with minimal losses. The chip also features built-in protection features such ESD protection, over-temperature protection, over-current protection, and short-circuit protection.

The key features and benefits of the FSDM311L include:

• Provides high efficiency, low loss MOSFETs with integrated full protection
• High current rating – up to 5 A
• High frequency operation up to 1 MHz
• Wide input range (3V to 20V)
• Integrated over-temperature, over-current and short-circuit protection

The FSDM311L is a monolithic integrated circuit that integrates the high-efficiency MOSFET, a low-loss driver circuit, and the full protection suite in a space-saving package. It is designed for offline AC/DC converters, offline switchers, DC/DC converters, and other power management applications. Its low on-resistance MOSFETs provide high efficiency, making it ideal for high-performance AC and DC power conversion. Its integrated protection suite ensures system reliability and safety in applications. Its high-frequency operation and wide input range make it suitable for a wide range of applications.

The FSDM311L utilizes a simplified phase-shift full-bridge topology. It is a bridge-type power converter that allows the input voltage to be switched between a positive and negative output voltage. The MOSFETs and the driver circuit provide efficient power conversion and switching. Its full-protection suite provides superior system reliability and safety. Its ESD protection, over-temperature protection, and short-circuit protection guard against unexpected power events. Its over-current protection helps protect against potential fire and other serious damages.

The FSDM311L is an ideal solution for applications requiring high efficiency, low losses, and protection features. Its high efficiency, low losses and integrated protection features make it suitable for high-performance AC, DC, and power management applications. It is an ideal solution for offline AC to DC converters, offline switchers, and other power supply applications.

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