NCP1595MNR2G

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NCP1595MNR2G Application Field and Working Principle

The NCP1595MNR2G is a high current, synchronous step-down DC-DC switching regulator designed for use in low voltage applications with up to 5A of output current. It has integratedSyncFETsfor higher current applications as well asPeakCurrentMode (PCM) control for improved efficiency over the entire load range. The NCP1595MNR2G is a part of ON Semiconductor’s Voltage Regulators – DC DC Switching Regulators portfolio.

Features of NCP1595MNR2G

The NCP1595MNR2Gcomes with a variety of features such as:

• High Efficiency Synchronous Step-Down DC-DC Converter
• Peak Current Mode Control for improved efficiency over the entire load range
• Integrated N-Channel MOSFETs for high current applications
• Input Voltage Range: 4.5V to 32V
• Output Voltage Range: 0.6V to VIN
• Output Current: 5A
• Adjustable Output Voltage
• Programmable Soft Start and Over Current Protection
• Enable/Disable Function
• Adjustable Frequency
• Thermal Shut-Down Protection

Application Areas of NCP1595MNR2G

The NCP1595MNR2Gis widely suitable for low voltage applications, such as in desktop PCs, notebook PCs,LCD televisions, and a variety of other portable electronic devices. It is also suitable for automotive applications, such as power supplies and battery management systems.

Operating Principle of NCP1595MNR2G

The NCP1595MNR2Goperates by converting the input voltage to an output voltage, which is governed byPWM control. The regulator loop control monitors the output voltage and adjusts the duty cycle accordingly in order to maintain a steady output voltage. The output current is limittedby aprogrammable over-current protection circuit, which reduces the duty cycle in order to prevent excessive output current.

ThePWM controller also provides a soft start function which eliminates inrush current in the startup phase. Additionally, it has an integrated Enable/Disable function which can be used to quickly and seamlessly power down the regulator.

The NCP1595MNR2Gfeatures PCMcontrol for improved efficiency over the entire load range, and integratedSyncFETsfor high current applications. The operating frequency of the regulator can be adjusted to optimize for efficiency, noise, and external component size.

Conclusion

The NCP1595MNR2G belongs to the Voltage Regulators – DC DC Switching Regulators portfolio from ON Semiconductor. It is suitable for a variety of low voltage applications, such as desktop PCs, notebook PCs, and LCD televisions, as well as automotive applications such as power supplies and battery management systems.

It operates by converting the input voltage to an output voltage, which is controlled byPWM control. The regulator loop control monitors the output voltage and adjusts the duty cycle accordingly to maintain a steady output voltage. It includes features like Peak Current Mode (PCM) control for improved efficiency, programmable soft start and over current protection, enable/disable function, adjustable frequency, and thermal shut-down protection.

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