UCC28060DG4

Series:	Natural Interleaving™
Packaging:	Tube
Part Status:	Active
Mode:	Discontinuous (Transition)
Frequency - Switching:	500kHz
Current - Startup:	200µA
Voltage - Supply:	8 V ~ 21 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	16-SOIC
Base Part Number:	UCC28060

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Power Factor Correction (PFC) is a technology that has become increasingly significant over the last few decades as energy efficiency has gained prominence in the development of electrical and electronic systems. At its heart, power factor correction aims to improve the efficiency of the electrical system by correcting the phase angle between the input voltage and current values. This can be achieved through various designs and components, including modern power factor controllers such as the UCC28060DG4.The UCC28060DG4 is a high-performance, cost-effective power factor correction controller designed and manufactured by Texas Instruments. It is widely used in applications where a high power-factor, low harmonic distortion and minimum EMI are required, such as commercial lighting, induction cooking and industrial AC motor drives.The UCC28060DG4 features a leading-edge architecture and offers a complete range of features, including:* High efficiency: The UCC28060DG4’s high-performance design and low-power consumption makes it one of the most efficient PFC controllers available.* Low THD: The UCC28060DG4 has a Total Harmonic Distortion (THD) low enough to meet EN61000-3-2 Class D requirements with minimal engineering effort.* Single stage operation: Using a single-stage operation, the UCC28060DG4 is able to maintain a power factor of greater than 0.97, while providing current ripple of less than 0.5%.* Easy setup: The UCC28060DG4 can be configured very easily, allowing minimal setup and reduces the time spent on the project.In addition, the UCC28060DG4 has a number of safety features, including input overvoltage protection, over-temperature protection and cycle-by-cycle current limiting. These make it a great choice for applications that need to be safe and reliable.The working principle behind the UCC28060DG4 is simple. It uses a voltage controlled oscillator (VCO) to produce a triangular waveform with a fixed frequency. This waveform is then compared to the rectified AC source, and fed back to the gate of an external MOSFET. The result is that the MOSFET switches on and off in a series, producing a PWM signal which is used to drive the bridge rectifier and filter capacitor, thus controlling the output voltage and yielding a high power factor.This power factor correction technology makes the UCC28060DG4 an ideal choice for a wide range of applications, including lighting, welding, induction cooking and AC motor drives. As well as its power-factor correcting capability, the UCC28060DG4 offers a range of features, such as single-stage operation, low harmonic distortion and easy setup, making it one of the most efficient and reliable PFC controllers on the market.

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