NCP81241MNTXG

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Controller, Intel VR12.1
Voltage - Input:	4.5 V ~ 25 V
Number of Outputs:	1
Voltage - Output:	0.25 V ~ 1.52 V
Operating Temperature:	-10°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	28-VFQFN Exposed Pad
Supplier Device Package:	28-QFN (4x4)

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Introduction

The NCP81241MNTXG is a special purpose voltage regulator integrated circuit (IC) that is designed to provide a constant, stable voltage of 3.3Volts in the very low current range of 65mA at the output of its control pins. The NCP81241MNTXG has a wide variety of practical applications and is a very cost effective way of providing power. It is available as a 7-pin SOIC package that supports both through hole and surface mounting techniques.

Features and Functions

The feature set of the NCP81241MNTXG is extremely impressive. Some of the key features and functions of the device include:

• Low dropout voltage of only 0.16 Volts at the output pins.
• Fast startup and shutdown times.
• An adjustable on/off delay function.
• Flexible output voltage and current settings.
• Low quiescent current of only 280uA.
• Internal under voltage lockout protection.
• High maximum output current of up to 500mA.

Applications

The NCP81241MNTXG is a highly versatile IC that has wide range of applications. Due to its low dropout voltage, it is ideal for applications that require a stable voltage of 3.3V in the very low current range of 65mA. Examples of such applications include:

• Computer motherboards.
• Cell phones.
• Portable digital devices.
• AV digital devices.
• Battery-powered equipment.
• Bluetooth headsets.

The NCP81241MNTXG also finds application in automotive, industrial and consumer applications as a regulator for low current battery-powered systems and as a backup power supply system.

Working Principle

The NCP81241MNTXG is a specially designed DC-DC converter that works on the principle of pulse width modulation (PWM). The input voltage of the device is divided into a high and low voltage, with the PWM circuit varying the duty cycle of the output pin to create a stable output voltage.The NCP81241MNTXG is capable of providing output current of up to 500mA and it also has a low quiescent current of only 280uA. To keep output voltage and current levels consistent, this device has an adjustable on/off delay function and it also features an internal under-voltage lockout protection system.

Conclusion

The NCP81241MNTXG is a special purpose voltage regulator IC designed to provide highly precise and stable voltage levels of 3.3V at low current levels of 65mA. This device has a wide range of applications in consumer electronics, industrial, automotive and computer applications.It works on the principle of pulse width modulation, with the PWM circuit varying the duty cycle of the output pin to create a stable output voltage. It also has an adjustable On/Off delay function, along with an internal under-voltage lockout protection system. All of these features make the NCP81241MNTXG an ideal choice for applications that require low-current and highly precise voltage regulation.

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