CSD23381F4T

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CSD23381F4T is a high-performance, high-side smart MOSFET driver that is designed to provide an economical solution for off-line power applications. It is based on proprietary Trench MOSFET technology and comes with charge pump, EEPROM, and a wide range of features. CSD23381F4T is suitable for high-side switching of both inductive and resistive loads.The CSD23381F4T is a low-side driver that enables the designer to configure peak on-time, off-time and frequency with external components. It incorporates an advanced charge pump that allows for higher voltage switching capability up to 80V. This device is well suited for use in applications such as motor control, lighting control and consumer electronics.The CSD23381F4T can be used in high power applications such as motor control, lighting controls, consumer electronics, and more. It is designed to offer the most efficient performance possible with low gate output charges, improved transient response, and reduced power losses. The operating temperature range is -40°C to 150°C, making it suitable for toughest environmental conditions.In addition to the Trench drain feature which allows higher voltage switching discrimination, the charge pump also provides an improved level of transient response by restoring the gate voltage during turn-on faster than the regular MOSFET operation. This slows the logical steps of the load voltage, allowing load current to rise faster, hence saving time and improving the overall efficiency of the circuit. A feature that improves the long-term reliability of the device is its built-in thermal protection circuit. This circuit monitors the junction temperature of the MOSFET and automatically sends a signal to shut off the driver if it goes beyond the safe temperature operating range.The CSD23381F4T has a low-frequency modulation signal and various active and passive current limiting features for very accurate current control. It has a selectable switching frequency from 2 kHz to 20 kHz. However, when using the device with inductive loads, the frequency must be lowered to prevent the power transistor from current loop sinking.The CSD23381F4T is a high-reliability, cost-effective device offering efficient operation and improved design flexibility. Its high-side switching capability up to 80V, active current limiting and wide operating range make this device an ideal choice for many power switching applications.

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