NCV1117DT15RK

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

NCV1117DT15RK is an advanced low-dropout voltage regulator released by ON Semiconductor, it is a cost-effective choice for voltage regulation applications where devices need to comply with the strict requirements for the reduction of power dissipation and the maximum leakage currents. This kind of linear regulator, when directly connected to the input voltage, is able to provide a regulated voltage with a low dropout voltage and a wide input voltage range.

Features and Benefits

• Internal short-circuit protection
• Output voltage accuracy within ±1.5%
• High peak output current of 10A
• Low dropout voltage of 0.15V
• Wide input voltage range of 4.3V to 16V
• Dropout regulator
• High efficiency operation

Typical sections

Typical sections for the NCV1117DT15RK include enable, output enable, input filter, voltage reference, output voltage divider, current limiter, as well as output overvoltage protection. The enable subsection enables the device and allows it to regulate from its minimum dropout voltage. The input filter section provides optimal high frequency noise filtering of the input voltage. The voltage reference subsection maintains a reference voltage (typically 1.23V) for the voltage regulation. The output voltage divider section provides the output voltage adjustment. The current limiter subsection provides the necessary current limiting to avoid damage to the device. The output overvoltage protection section limits the output voltage to 16V.

Applications

NVC1117DT15RK was designed with specifically optimized features to meet power supply design requirements, it can be used in a variety of applications including:

• Computer and laptop CPUs
• Network and telecom equipment
• Power supply modules
• Battery charging systems
• Industrial controls

Working Principle

The working principle of NCV1117DT15RK is simple, the voltage reference and output voltage divider are connected in an error amplifier and feedback circuitry. When the input voltage is higher than the regulated output voltage, the error amplifier senses the difference and passes the requisite bias current through the internal N-channel MOSFET. The current fed to the output is such that it compensates for the input voltage and establishes a stable output voltage.

Conclusion

The NCV1117DT15RK is an advanced low-dropout voltage regulator with a wide input voltage range. The device offers high peak output current of 10A and can be used in numerous different applications, including computer and laptop CPUs, network and telecom equipment, and more. The working principle of the device is based on an error amplifier and feedback circuitry, which provides stable output voltage with reduced power dissipation and leakage currents.

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