UCC28600DG4

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PMIC - AC DC Converters, Offline Switchers and UCC28600DG4 is a contemporary offline, and fair-performance AC/DC converter. It provides regulated, Standby and Ringing supply for telecommunication applications up to 2 watts. This application field and working principle of UCC28600DG4 is just a brief overview for readers who are interested in knowing it.

The UCC28600DG4 is an offline, single-channel controller and synchronous rectifier including primary and secondary pre-driver circuits. It is designed to operate off of an 85-265 Vac, 50/60Hz line input and to provide an output voltage of 12V±10%.

UCC28600DG4 has a wide application field, and it can be used in many fields such as telecom systems, industrial control systems, computers, dictation machines, POS terminals, home appliances. It can also be used as an auxiliary power supply for residential appliances, portable electronics and other power conversion applications.

To achieving the output voltage, UCC28600DG4 provides an integrated buck and flyback switcher, which are used to perform the Switching between the input and output voltage. The buck and flyback switcher are combined to provide the required output voltage.

The flyback switcher works by regulating the amount of voltage coming into the primary side of the transformer and reversing the current during its off period, sending the current back through the secondary of the transformer to the output. The flyback switcher is used to turn the power on and off in a controlled manner, allowing for the current to be modulated to the level of the load.

The buck switcher works by connecting the primary andsecondary of the transformer using PWM control. This allows the voltage to be regulated by controlling the duty cycle of the switch to attain the desired output.

The feedback loop of UCC28600DG4 is responsible for controlling the input power. It senses the voltage and current at the output, and then compares it with the reference voltage and current. Based on the comparison, the IC adjusts the on-time of the Powerex switch to maintain the desired output.

UCC28600DG4 has excellent performance characteristics. It has high power efficiency, low power loss, low EMI and is a highly efficient AC/DC converter. The UCC28600DG4 can achieve up to 95% power efficiency with a maximum output power of 2W.

In addition, the UCC28600DG4 has a wide temperature range from -40°C to 85°C. It is also RoHS-compliant and has a wide input voltage range of 85-265Vac , enabling it to work in wide range of AC inputs.

UCC28600DG4 is a cost-effective, single channel AC/DC converter that can be used in many applications. It can provide regulated, Standby and Ringing supply for telecommunication applications up to 2 watts. It has a wide temperature range and high power efficiency, making it an ideal choice for many power applications.

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