FSL156MRIN

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FSL156MRIN is an integrated offline switcher with sophisticated protection features, providing reliable power solutions for a variety of AC/DC applications. The device integrates several features into a single IC, such as a low power MOSFET, a zero-voltage switching (ZVS) voltage regulator, an analog error amp and a current sense amplifier, as well as a few additional components. This makes it ideal for applications such as computers, consumer electronics, automotive and other industrial equipment.

The FSL156MRIN features a continuous conduction mode (CCM) topology, eliminating zero-voltage crossover (ZVC) losses and providing low turn-on and turn-off times. It offers a very wide input voltage range of 4.5V to 91V, covering all common AC/DC power requirements. In addition, the device supports a wide range of output voltages, up to 36V, and features high power conversion efficiency and high load currents.

The FSL156MRIN integrates a Zero Voltage Switching Voltage Regulator (ZVSVR) which provides a truly zero-voltage switching operation. This eliminates the need for an auxiliary winding, thereby reducing component count and improving overall efficiency. It also eliminates switching losses, which improves the system power conversion efficiency. The integrated MOSFET has a low on-resistance for very low conduction losses and the on-resistance of the MOSFET is modulated dynamically to keep the operating temperature as low as possible.

The device also integrates an analog error amplifier and a current-sense amplifier for current-mode control, compensating for output voltage and current variations, respectively. This ensures a stable operation, even during power transients. In addition, the device includes protection features such as over-voltage protection, over-temperature protection, over-load protection and under-load protection.

The FSL156MRIN makes it easy to implement an offline switcher to drive an AC/DC converter in a variety of applications, such as computers, consumer electronics, automotive and other industrial equipment, with plug-and-play ease. The device is simple to design-in and high integration makes it ideal for space-constrained applications. It features an ultra-low power MOSFET and high efficiency operation, making it the ideal solution for a variety of AC/DC applications.

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