What is the quality? It is a product that does not harm our health. It is an item full of human needs. Counterfeit products are harmful to health and can also cause trouble. How to build quality? Only if all the standards are met can we say that it is a quality and safety product. There are many qualities in our lives, such as quality of life, quality of transportation, quality of the environment, and quality of service, and we are most exposed to product quality. Today we introduced a high quality switching power supply chip - U3211
The switching power supply chip U3211 is a high-performance, low-cost PWM control power device suitable for off-line low-power step-down applications. The peripheral circuit is simple and the number of devices is small. The built-in high-voltage MOSFETs in colleagues' products can improve system surges. Tolerance. U3211 is different from the traditional PWM controller. U3211 does not have a fixed clock to drive the MOSFET. The system switching frequency can be adjusted automatically with the load. At the same time, the chip adopts multi-mode PWM control technology, which effectively simplifies the design of peripheral circuits, improves the linear adjustment rate and load adjustment rate, and eliminates the audible noise in system operation. In addition, the internal peak current detection threshold of the chip can be automatically adjusted according to the actual load conditions, which can effectively reduce the standby power consumption in the no-load condition.
The switching power supply chip U3211 integrates a complete self-healing protection function; VDD undervoltage protection, cycle-by-cycle current limit, output overvoltage protection, overtemperature protection, overload protection, and VDD overvoltage protection.
A product can not only look at the practicality, but also depends on whether the quality is better, the product does not appear in the quantity, and the good quality also brings an annual calendar. UnionPay is a platform for providing good quality power chips. For over 20 years, UnionPay Technology has established a complete production and operation management system from the R&D, production and sales of switching power chips. Full implementation of the quality management system. UnionPay Technology is strong, secure, and has a professional team of experts who can independently develop and produce. Using various new technologies and production methods, try to minimize the loss of switching power supply chips. Use the finest materials to create high-quality power chips.
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