NCP5318FTR2G

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

NCP5318FTR2G Application Field and Working Principle

The NCP5318FTR2G is a special purpose voltage regulator, used for providing power management system for low voltage, small-sized portable electronics. It features advanced features such as low quiescent current, low dropout current, built-in soft-start and adjustable output voltage. With its monolithic N-channel logic enhancement MOSFET, the NCP5318FTR2G allows efficient power delivery using only a single 3V battery or an alternative low voltage supply.

Features

The NCP5318FTR2G includes several features such as:

• Low quiescent current
• Low dropout current
• Programmable over-current protection
• Input and output voltage range from 0.8V to 6V
• High current power supply for portable electronic devices up to 1A
• Built-in soft start circuitry to prevent inrush current
• Adjustable output voltage for application optimization
• N-channel logic enhancement MOSFET for low current operation
• Internal power-on reset and thermal shutdown protection
• External shutdown module for coil mode switching
• Ultralow quiescent current sleep mode
• High-side current sensing

Application Field

The NCP5318FTR2G is ideal for a wide range of applications due to its low quiescent and dropout current, adjustable output voltage, and N-channel logic enhancement MOSFET. Its features make it suitable for many portable electronic devices such as tablets and mobile phones, handheld gaming consoles, digital cameras and other small, low-voltage devices. Its ultra-low quiescent current sleep mode makes it ideal for powering small ultra-compact devices, while its high current capability provides sufficient power to larger devices.

Working Principle

The NCP5318FTR2G operates on the principles of the voltage regulation and current sensing. The regulator sets the output voltage by comparing the reference voltage of the feedback loop with the input voltage. This reference voltage is determined by the resistors connected to the output terminals, and it is varied by using the adjustable output voltage feature. The high-side current sense feature determines the output current by sensing the voltage across the sense resistor. A low quiescent current of only 0.8µA is required to maintain the voltage regulation loop. When the input power source is connected, the voltage regulator boosts the voltage to the desired output value and maintains the same output voltage level. This keeps the system in operation even at short input voltage drops.

The NCP5318FTR2G comes with a built-in soft start circuitry which prevents inrush current during startup. This feature helps to prevent damaging any components connected to the output terminals. It also features an internal power-on reset and thermal shutdown protection. The external shutdown module is provided with the regulator, which can be used for switching the regulator into a reverse polarity mode.

Conclusion

The NCP5318FTR2G is a special purpose voltage regulator suitable for powering a variety of portable electronic devices. Its low quiescent current, adjustable output voltage and N-channel logic enhancement MOSFET makes it an ideal choice for low power and high current applications. It also includes features such as an internal power-on reset, thermal shutdown protection and adjustable output voltage for precise voltage regulation. Along with the external shutdown module, it ensures maximum efficiency and reliable operation.

The specific data is subject to PDF, and the above content is for reference