MPC9351AC Integrated Circuits (ICs)

MOC9351AC is a clock and timing device that can be used in a variety of applications, ranging from high-speed server applications to low-power embedded designs. This device features a highly efficient synchronous buck architecture, providing impressive jitter performance and flexibility, as well as better power efficiency. Further, the combination of an accurate phase-locked loop, along with fine tuning and spread spectrum options, allows for the precise control of the output clock frequency, aiding in design optimization and reduction of system component count.

Application Fields

MOC9351AC clock and timing devices are typically used to generate an accurate clock or timing signal, or to adjust an existing clock signal. In the high-performance computing space, these devices are used to accurately control the phase of the clock and to generate clocks for the various peripheral devices connected to the bus controller. In the consumer market, they are used in a variety of applications to control peripheral clocks, such as LCD monitors, and to adjust clock frequencies for maximum efficiency, such as in computer processor applications.

MOC9351AC clock and timing products also offer some distinct advantages in a variety of mission-critical applications, from avionics to defense electronics, such as a high level of immunity to electrical noise and interference. Further, these devices are designed to eliminate the need for manual clock synchronization, which can save time and money. Additionally, the high degree of accuracy and flexibility offered by these devices makes them ideal for critical timing solutions.

Working Principle

MOC9351AC clock and timing devices work according to a synchronous buck topology, which allows for an approximately constant current source to drive the output, while also having a separate voltage regulator to control the output voltage. This architecture also keeps power consumption to a minimum and greatly reduces the output impedance, enabling higher efficiencies with smaller footprints.

Within the device, the topology of each output is controlled by a Phase Locked Loop (PLL). The PLL is used to accurately control the output frequency of the synchronization signal, while also providing additional control over the frequency spread. Additionally, some devices feature integrated spread spectrum generators, which are designed to reduce the total output power and eliminate spectral discontinuity.

Further, the outputs of the MOC9351AC device can be programmed for a variety of operating modes, allowing for a wide range of possible frequencies and signal types. Additionally, the device offers a wide selection of different clock sources, such as crystal oscillators, clock dividers, MEMS oscillators, and spread spectrum functions, allowing for the precise control of the output clocks.

Finally, the on-board integrated logic functions provide additional features, such as soft start, divider reset, spreading, and pulse-width modulation, allowing for advanced power management and control.

Conclusion

MOC9351AC clock and timing devices are an ideal choice for a wide range of applications. Featuring a highly efficient synchronous buck architecture, combined with a variety of integrated logic functions, the device provides a low-power, high-precision solution for a variety of applications. Additionally, the integrated PLL and spread-spectrum functions enable precise control over the output frequency and signal types.