NCP1079BAP100G

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Power management integrated circuits (PMICs) are key components in digital computing and consumer products. They control the energy flows and ensure optimal power delivery. Among the wide range of PMICs available, one of the most popular is the NCP1079BAP100G, an AC-DC converter and offline switcher.

The NCP1079BAP100G is a monolithic controller IC, optimized to drive power MOSFETs to generate step-down converters. It provides an excellent combination of drive capability, efficiency and accuracy while allowing flexibility in the operating range. With its constant voltage and constant current control, it is capable of handling a wide range of input voltage and output current. The IC also provides fault protection and thermal protection to ensure long-term reliability and performance.

The NCP1079BAP100G application field covers consumer power electronics such as television, desktop and notebook computers, game consoles, audio equipment and cell phone chargers. It can also be used in other applications such as industrial motor drivers, point-of-load converters, LED drivers, and automotive lighting.

The working principle of the NCP1079BAP100G is based on an advanced proprietary current-mode PWM control technique. It uses a voltage-mode ramp compensation feedback loop to achieve constant voltage and constant current accuracy. The ramp compensation feedback loop maintains a nearly constant output voltage during load transients. This ensures a stable output voltage under varying load conditions. The voltage and current loop regulation also helps to reduce input current ripple.

The NCP1079BAP100G also features a wide range of protections to protect the circuit from overload, over-voltage, under-voltage, over-temperature and short-circuits. It also provides adjustable frequency with a maximum switching frequency of 500kHz. This allows for high efficiency and reliability. Overall, the device provides excellent power efficiency, accuracy, and system stability.

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