LNK501GN

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LNK501GN is an integrated offline switcher that provides an economical solution for minimizing component count and power losses in a wide range of AC/DC and DC/DC conversion applications. This integrated switcher includes all of the necessary components for a single-stage flyback topology and it is designed with low component count and low power consumption, making it ideal for small applications.

The main component of the LNK501GN is the low start-up current 500V power MOSFET, which offers high efficiency and low power losses, resulting in an overall simpler and more cost-effective design. The integrated optics also benefit from lower component count and higher efficiency. The built-in overvoltage protection, as well as the current-mode control circuitry, ensures smooth low-frequency operation.

The LNK501GN\'s working principle is based on pulse-width modulation (PWM) and current-mode control. It operates in a quasi-DC switching mode, which is far better than traditional linear control. The device can be used in a wide range of AC/DC and DC/DC conversion applications, such as car power supplies, cell phone chargers, and battery chargers.

The LNK501GN has a wide operating range, from 56V to 500V. It offers a peak switching frequency of up to 1MHz and provides output current of up to 2.5A. It also provides various protection functions, such as input overvoltage protection, overcurrent protection, and undervoltage protection. In addition, the integrated EMI and RFI filter, as well as the over-temperature protection, ensure robustness and secure operation.

In summary, the LNK501GN is an integrated offline switcher designed to minimize component count, reduce power losses and provide cost-effective solutions for AC/DC and DC/DC power conversion. It offers a high switching frequency, wide operating range, and various protection functions, making it an ideal choice for low power and cost-sensitive applications.

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