NCV1397BDR2G

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The NCV1397BDR2G is a high performance AC-DC converter and offline switcher used in a variety of applications. It is a highly integrated monolithic device comprising a fixed 500kHz, current-mode controller that drives an external power MOSFET switch. The device offers high power conversion efficiency and fast transient response for applications ranging from telecom power supplies to appliances and consumer electronics.

The NCV1397BDR2G features an integrated 85V boost voltage controller and a wide DC input range of 5V to 450V. The integrated boost voltage controller monitors the output voltage, which allows power to remain constant while the line input voltage fluctuates. The integrated PWM controller offers fast transient response and high efficiency to maximize power conversion performance. The output voltage can be set through external resistor divider.

The NCV1397BDR2G has an integrated senorless current mode control for improved line voltage regulation. The current modulated control allows the converter to remain stable even under varying load conditions. The device also offers low switching frequency for reduced conducted and radiated EMI. The output current is limited by the peak current of the power MOSFET, which ensures reliable and safe operation. The device also includes a programmable auto-restart and a built-in thermal protection.

The NCV1397BDR2G is suitable for applications where the output voltage needs to be dynamically adjusted. The device is well-suited for applications such as telecom systems, automotive applications, power supplies, lighting, and consumer electronics. The integrated features of the NCV1397BDR2G provide a reliable and cost effective solution for AC-DC conversion and offline switching applications.

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