NCV8518APDG

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The NCV8518APDG is a voltage regulator designed for AC-DC converter applications. It is part of the integrated Power Management (PMIC) family of devices manufactured by ON Semiconductor. It provides good efficiency, accuracy, high power density, and low cost. It is able to deliver up to 10A of output current with a wide input range of 8V to 36V. It is a linear voltage regulator, meaning the voltage drop that occurs between the input and output pins is constant and set by the voltage provided at the input pin. This can be a boon for systems which require an exact and consistent supply voltage.

The NCV8518APDG has a number of features and applications targeting power management in a variety of different applications, including:

• Electronic buffer/provider (Photography, audio and video equipment, server/medical equipment, CCTV)
• Low profile switching regulator (Smartphones and tablets, automotive equipment, medical applications, lighting)
• Power supply with pre-charging (fans, motors, servo drives, controllers for HVAC, illumination, surveillance and telecom systems)

The NCV8518APDG is designed to be an easy to use device and eliminates the expensive component and wiring costs associated with isolated architectures. For example, when equipped with external capacitors, it can deliver a maximum output power of 95 Watts (Vin = 12V, 8A) with a wide input voltage range (Vin = 8V – 36V). Furthermore, it requires no heatsink and very little tuning to achieve excellent line and load regulation linearity.

The NCV8518APDG includes a number of features which make it a very attractive solution for many different applications. It is a synchronous, Mode Slope Current Mode (mSLML) linear regulator with a wide load range. Its high switching frequency allows it to operate in a very quiet mode, as well as generate smaller and lighter coils. It also has a wide input range, excellent line regulation, and low output impedance.

The NCV8518APDG is a highly efficient device which uses Pulse Frequency Modulation (PFM) to minimize switching losses, thus increasing efficiency. In addition, it features an adjustable Current Limit that lets users set currents from 250mA to 10A. It also has a Built-in Voltage Droop function, which provides inrush current protection and reduces the output voltage during high load current transients.

This device also offers enhanced protection features. It includes an over-temperature protection (OTP), a short-circuit protection (SCP) which spreads current uniformly over multiple switches, an open loop or strap protection and an over-voltage protection (OVP) which limits the maximum output voltage. This OVP is adjustable, allowing the user to set a specific output voltage.

The NCV8518APDG is an excellent tool for a variety of power management applications requiring an efficient, low heat and low-cost linear solution. Whether it\'s powering electronic buffer/provider, low profile switching regulators or power supplies with pre-charging, or a combination of all three, it provides the user with a reliable solution that is easy to use and highly efficient.

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