LPQ154

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

AC/DC converters are widely used to convert alternating currents to direct currents, which are necessary for some power systems and other electrical devices. The LPQ154 is a type of AC/DC converter, and it can be used for a variety of applications, including industrial, commercial, and residential applications. The LPQ154 has several advantages over other AC/DC converters, including higher power efficiency, lower noise, and lower cost. In addition, the LPQ154 is smaller and more reliable than other AC/DC converters.

The LPQ154 has a full bridge rectifier topology, which is designed to convert AC to DC with high efficiency and low noise. The rectifier uses four switches (two PWM switches and two antiparallel diodes) to convert the AC signal into a DC output. The switches are driven by two high side and two low side drivers, which control the turn on and turn off times of the switches.

The LPQ154 also has an under-voltage lockout (UVLO) feature, which prevents the unit from operating when the input voltage is lower than the predetermined level (usually below 85% of the rated input voltage). This ensures that the converter operates only when the input voltage is within the operating range, providing reliable operation and improved system reliability.

The LPQ154 has a low start-up current feature, which reduces input power requirement during the start-up phase of the converter. This feature allows the converter to start up even when there is minimal input power available. It also helps reduce the overall system cost, since the start-up phase does not require as much power as the regular operation phase.

The LPQ154 has a current mode control topology, which is designed to control the output voltage and current of the output. The output voltage and current are regulated by varying the duty cycle of the PWM switches. The duty cycle of the switches is controlled by the current error amplifier, which acts as a feedback signal to keep the current at a predetermined level. This allows the converter to have high accuracy and fast response time.

The LPQ154 is also protected by an over-voltage protection (OVP) circuit. The OVP circuit monitors the output voltage of the converter and trips if the output voltage exceeds a predetermined level. This feature helps protect the converter from damage due to overvoltage conditions.

The LPQ154 is a reliable and cost-effective AC/DC converter that is suitable for a wide range of applications. It offers high efficiency, low noise, and low cost, making it an ideal choice for many power systems and other electrical components. The LPQ154 is also protected by various protection circuits, ensuring reliable operation in a variety of applications.

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