RT6219AGQW

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

RT6219AGQW is a highly efficient and low cost DC-DC switching regulator that has superior performance and is suitable for a range of applications such as TVs, electronic games, computers, automotive electronic and medical electronic devices. It is one of the common voltage regulators in the Power Management Integrated Circuit (PMIC) family.More specifically, this regulator belongs to the family of DC-DC switching regulators. This regulator can regulate output voltage and current by PWM control with variable duty cycle and optional four fixed frequency, which ensures an accurate and efficient regulation performance with a wide input voltage range (2.5 – 20V). Its overvoltage protection, current limiting protection and thermal shutdown provide superior performance and reliability.The RT6219AGQW has a high efficiency of up to 98%, which greatly reduces the power loss of the system, saves energy and reduces cost at no sacrifice in quality. In addition, the built-in voltage reference of the regulator provides excellent overall performance, higher line and load regulation and faster response time which is always a great help for system designers.Apart from the basic features mentioned above, the RT6219AGQW offers a number of unique advantages that can be of great help for system designers. Firstly, the RT6219AGQW utilizes a proprietary control loop allowing for fast transient response, low output noise, low ripple and low EMI without added noise filtering components. Secondly, this regulator features over-temperature protection so that it can automatically shut down when it gets too hot, preventing any damage. Thirdly, the RT6219AGQW also offers low semiconductor losses, excellent thermal performance and better thermal efficiency.In terms of working principle, the RT6219AGQW controls the output voltage with the domestic current mode control method which consists of a high frequency PWM comparator, an error amplifier, and a PWM clock oscillator to amplify the difference between the output voltage and an internal reference voltage. When the output voltage is lower than the reference voltage, the PWM comparator will trigger the high frequency switch to make the output voltage higher. On the other hand, when the output voltage is higher than the reference voltage, the PWM comparator will turn off the switch, thus reducing the output voltage.In conclusion, the RT6219AGQW is an excellent DC-DC switching regulator for PMIC applications, with a wide input voltage range, high efficiency, superior thermal performance and excellent protection. Its unique control loop and low noise ripple make it an ideal choice for various applications such as electronic games, computers and automotive electronic equipment.

The specific data is subject to PDF, and the above content is for reference