VI-JNJ-EW-F1

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DC DC converters are power conversion devices that are used for converting direct current from one voltage level to another. A wide range of applications from low power handheld devices to high power industrial equipment require AC-DC or DC-DC power conversion. Among various types of power supplies, the VI-JNJ-EW-F1 type DC DC converters are ideal for applications where size, cost, and performance are the key drivers.

The VI-JNJ-EW-F1 DC DC converter is a combination of Pre-Switch and Regulator that offers high efficiency, excellent ripple rejection, wide operating temperature range, and fast transient response. It has a switching frequency of up to 310kHz, enabling high efficiency with a very small size and low output voltage ripple. The device supports input voltage domains up to 25V and output voltage domains up to 50V. It is capable of delivering up to 17A output current with excellent line and load regulation. It is also suitable for low power devices, providing excellent no-load power efficiency when supplying less than 1W of output power.

The VI-JNJ-EW-F1 DC DC converter is also designed to meet the stringent requirements of Safety Standards such as IEC 60950-1 and UL60950. It also includes a variety of protection features such as short-circuit protection, over-voltage protection, over-current protection, and over- temperature protection.

The VI-JNJ-EW-F1 DC DC converter works on a three-stage approach with an input rectifier, an output synchronous rectification, and a continuous conduction mode pulse width modulator (PWM) between them. During operation, the input rectifier first rectifies the input voltage to DC by blocking the reverse current flow. Then, the output synchronous rectifier is activated based on the PWM signal and converts the fully rectified DC input to regulated DC output voltage.

The VI-JNJ-EW-F1 DC DC converter uses a digitally controlled PWM to generate the gate drive signal for the output synchronous rectification. The PWM circuit maintains a constant output voltage regardless of the changes in the output current. It is also capable of automatically controlling the output voltage and current limits. The PWM signal regulates the on-off duration of the output synchronous rectifier, which in turn controls the output power and ensures that the output voltage remains stable.

The VI-JNJ-EW-F1 DC DC converter is suitable for a wide range of applications such as industrial, automotive, telecommunications, battery, LCD display, and DC motors. It is also ideal for high voltage applications, where it can provide excellent line and load regulation. The VI-JNJ-EW-F1 DC DC converter is an excellent choice for applications requiring efficient, cost-effective, and reliable power supplies.

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