STR3A162HD

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A PMIC - AC DC Converters, Offline Switchers, is an important aspect of an overall power management system. The STR3A162HD is one such device that can be used as a power management system component. This article will discuss the application field and working principle of the STR3A162HD.

The STR3A162HD is a dual-channel offline switcher that can provide a maximum of 15 watts of output power for two separate outputs. It is designed to provide a secondary supply for auxiliary purposes, making it a great option for audio-visual equipment and other low-power applications. This device operates in either AC or DC modes, and can be used with an AC to DC power converter to provide a stable output voltage.

The STR3A162HD requires an input DC voltage range of 4.5-24V, and can output a voltage range of 1.8-30V. Its output current rating is 1A per channel. It can also be configured in either flyback, buck, or boost topologies, and provides a variety of protection features such as undervoltage, overvoltage, and overtemperature protection.

In addition to its power management capabilities, the STR3A162HD also has a secondary side control can be configured to control multiple load circuits or to provide sequencing or power management via a pin control. It also features cycle-by-cycle output current limiting and overcurrent protection, as well as overvoltage protection.

The STR3A162HD is designed to provide high efficiency and low standby power consumption. It can achieve an efficiency of up to 92% in optimized conditions. It also supports a wide input and output voltage range, making it suitable for a variety of applications including consumer electronics and industrial applications.

The working principle of the STR3A162HD is relatively simple. It uses a power MOSFET to control the power transfer between the input and output stages. It also utilizes a low quiescent current control loop to regulate the output voltage. The input voltage is compared to a reference voltage to keep the output voltage stable. When the output voltage exceeds the reference voltage, the power MOSFET starts to reduce the power transfer. This helps to protect the device from overvoltage, overcurrent, and overtemperature damage.

The STR3A162HD is a highly efficient and reliable power management system component. Its wide input and output voltage range, along with its efficient power transfer and low standby power consumption make it a great choice for a variety of applications. Its ease of integration and simple working principle make it a great option for projects that require reliable and efficient power management.

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