NCP1252BDR2G

Duty Cycle:	80%
Base Part Number:	NCP1252
Mounting Type:	Surface Mount
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-25°C ~ 125°C (TJ)
Control Features:	Frequency Control, Soft Start
Fault Protection:	Current Limiting
Frequency - Switching:	Up to 500kHz
Series:	--
Voltage - Supply (Vcc/Vdd):	9 V ~ 28 V
Voltage - Start Up:	10V
Topology:	Flyback, Forward
Voltage - Breakdown:	--
Internal Switch(s):	No
Output Isolation:	Isolated
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

NCP1252BDR2G is a Pulse Width Modulated (PMW) Integrated Circuit (IC) designed for the application of AC-DC and DC-DC power conversion. It is a low power, highly efficient and cost-effective solution for a wide variety of applications, such as home and lighting appliances, portable/mobile terminals, sensors and industrial equipments. The NCP1252BDR2G contains an integrated high voltage PWM switcher with a maximum duty cycle of 100%. It has a wide operating frequency range of 100KHz to 1MHz and can provide up to 2A of output current. With its low external component count, the NCP1252BDR2G is perfectly suited for customers that require a small size, low cost and easy to use solution for their power conversion needs.

Application Field

The NCP1252BDR2G is an ideal device for a broad range of power conversion applications. Its highly efficient, low power design make it suitable for use in a wide variety of environments, from home and commercial appliances to industrial and medical equipment. The device is capable of converting voltages from 3V to 400V with its internally regulated output voltage and is capable of switching up to 2A of output current, making it ideal for low output power requirement applications. The NCP1252BDR2G also provides an excellent start-up performance, making it suitable for use in applications that require a fast start-up and a low inrush current. The device also offers a high efficiency, making it a great choice for energy-conscious designs.

Working Principle

The NCP1252BDR2G operates on a switching principle, controlling the load connected to the output of the device by rapidly switching the power on and off. This type of power conversion is referred to as Pulse Width Modulation (PWM) and is one of the most common and widely used forms of power conversion. At its core, the NCP1252BDR2G is composed of an oscillator, a driver and a power stage. The oscillator is responsible for providing the switching frequency needed to produce the PWM output; the driver is responsible for controlling the power output stage and finally, the power stage is responsible for supplying the desired output voltage and current.

The NCP1252BDR2G is capable of producing a variable duty cycle output and using this variable output, the device is able to regulate the output voltage and current, regardless of fluctuations in input voltage or load, making it suitable for use in a wide range of applications. The PWM switcher in the device is capable of achieving up to a maximum of 100% duty cycle, allowing the output voltage to be increased or decreased as needed, providing the user with excellent control over the output.

Conclusion

NCP1252BDR2G is a powerful and efficient PMW integrated circuit specifically designed for AC-DC and DC-DC power conversion. The device\'s low power consumption, low external component count, high efficiency and wide operating frequency range makes it suitable for a wide range of applications, from home and commercial appliances to industrial equipment. With its highly efficient PWM switcher, the device is able to accurately regulate the output voltage and current, providing the user with excellent control over their power conversion needs.

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