MC33260DG

Series:	GreenLine™
Packaging:	Tube
Part Status:	Obsolete
Mode:	Discontinuous Conduction (DCM)
Frequency - Switching:	--
Current - Startup:	100µA
Voltage - Supply:	11 V ~ 16 V
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	MC33260

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PMIC - PFC (Power Factor Correction)The MC33260DG is a Pulse-Width Modulated (PWM) controller and driver primarily used as a Power Factor Correction (PFC) controller. It is typically used in AC-DC applications, controlling LLC or Bridgeless PFC topologies. Additionally, this device can be used in automotive, medical, power-supply and off-line applications.The MC33260DG is a two-quadrature Pulse-Width Modulation (PWM) integrated circuit (IC). It’s a high-rise PWM, and is optimized for working as an offline high-performance PFC controller. It’s designed using technologies that delivers low power losses and high-speed control. Additionally, this device implements a number of features, like a 1.6-A regulation, sigma-delta modulation, under-voltage protection, over-current protection and many more.The main use of the MC33260DG, as mentioned earlier, is as a PFC controller. PFC controllers are circuit components used for the purpose of increasing the power factor of an AC signal. A power factor can be defined as the ratio between the supply voltage and the power being used by an appliance. A power factor of 1.0 is known as ideal and means that the appliance is operating at its most efficient level. However, most appliances, especially digital circuits and computer systems, prefer to operate at a higher power factor than 1.0. This is where the MC33260DG comes in.As mentioned, the MC33260DG is specifically designed to optimize a system\'s power factor. The device is able to detect the input AC signal and adjust the output cycle of a power amplifier according to the signal. This ensures that the system operates at its maximum efficiency and with minimal losses.The MC33260DG also offers a number of other features. One of these is an onboard pulse-wide modulation, which is used to control power switching and to adjust the voltage, timing and brightness of the outputs. Additionally, the device has an advanced sigma-delta modulation, which is used to switch devices rapidly and accurately.Another key feature of the MC33260DG is its under-voltage protection. This feature protects the device from damage caused by low input voltages. Similarly, the device also offers over-current protection, which ensures that the system operates safely and does not overheat.Finally, the MC33260DG also provides a number of other features, such as an onboard temperature sensor, current monitor and thermal protection. These are all important features for any system, and particularly so in the case of the MC33260DG, as it can provide the necessary power factor correction.In conclusion, the MC33260DG is a powerful and versatile IC designed to improve the power factor of an AC signal. It is typically used in AC-DC applications, but can also be used in automotive, medical, power-supply and off-line applications. Its many features include power-factor correction, sigma-delta modulation, under-voltage protection, over-current protection, pulse-width modulation and more. All of these features ensure that the system operates at its most efficient level, with minimal losses.

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