NCP1239GD100R2G

Series:	--
Part Status:	Active
Output Isolation:	Isolated
Internal Switch(s):	No
Voltage - Breakdown:	--
Topology:	Flyback
Voltage - Start Up:	12V
Voltage - Supply (Vcc/Vdd):	8.8 V ~ 35 V
Duty Cycle:	80%
Frequency - Switching:	100kHz
Fault Protection:	Current Limiting, Over Load, Over Temperature, Over Voltage
Control Features:	--
Operating Temperature:	-40°C ~ 125°C (TJ)

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NCP1239GD100R2G Application Field and Working PrincipleNCP1239GD100R2G is a PMIC – AC/DC Converters and Offline Switchers device specifically designed for applications such as LED lighting, as well as general purpose power and voltage conversion. This device is designed to provide a high-efficiency and cost-effective way to generate user-defined DC or AC power supply, making it particularly useful in applications where the input power varies or simply needs to be conditioned to meet specific voltage and current requirements.Functionality:The NCP1239GD100R2G device offers two primary modes of operation: a continuous mode and a pulse-width modulation (PWM) mode. Switching between these modes is achieved using an integrated circuit that enables the user to select the appropriate operating mode. The device also offers the ability to pre-program the output voltage and current levels in order to provide even greater customization. In order to maximize efficiency, the device includes an active-clamp feature that allows for dynamic adjustment of the switching frequency.Application Field The NCP1239GD100R2G is most commonly used for LED lighting applications as it can provide a cost-effective and efficient way to convert any input power source into a user-defined DC or AC output. Additionally, the device can be used for general power and voltage conversion needs as its versatile programming capabilities allow for customization of the output voltage and current levels.Working Principle The NCP1239GD100R2G works in two primary modes: a continuous mode and a pulse-width modulation (PWM) mode. In continuous mode, the device performs a linear transfer of energy from the input to the output, allowing for a smooth and reliable operation. When in PWM mode, the device rapidly cycles the output voltage from high to low, allowing for more efficient energy transfer and higher power conversion ratios.The device is also capable of pre-programming the output voltage and current levels, enabling users to tailor the device to a specific application or voltage requirement. This can be done using the integrated circuit, which allows for even greater user customization.Finally, the NCP1239GD100R2G includes an active-clamp feature that allows for dynamic adjustment of the switching frequency, allowing for greater efficiency. The active-clamp feature enables the user to switch between higher and lower frequencies depending on the application requirement, thereby allowing for the utilization of the device in a number of applications.In summary, the NCP1239GD100R2G is a PMIC – AC/DC Converters and Offline Switchers device that is designed specifically for LED lighting applications, as well as for general purpose power and voltage conversion. This device offers two primary modes of operation, as well as options for pre-programming the output voltage and current levels and an active-clamp feature for improved efficiency. These features make the NCP1239GD100R2G particularly useful for applications in which power needs must be conditioned to meet specific requirements.

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