DPA424GN-TL Integrated Circuits (ICs)

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The DPA424GN-TL is a special purpose voltage regulator IC used for voltage-controlled conversion and regulation in electronic devices. This three-phase voltage converter IC provides an output voltage of 200V and a current range from 1 A to 5 A. It is a synchronous step-down voltage regulator IC with voltage mode control, allowing for improved efficiency, accurate output voltage and good transient response. This IC features a low start-up current and is guaranteed to reach a specified performance under a wide range of environmental conditions.

The DPA424GN-TL is designed with a high integration level, offering the user cost savings and maintaining its extremely optimized design. It features two isolated power inputs, allowing the user to perform either one- or two-phase conversions with ease. The IC also has no external bias voltage required, and its high efficiency allows for minimal power loss. Its onboard diagnostics enable a simple and robust monitoring of system health.

The DPA424GN-TL is ideal for regulated power supplies, DC-to-DC converters, and motor speed controllers operating in harsh environments. Its operating temperature range extends from -55°C to +125°C and its power dissipation capabilities make it suited for a variety of high current, high temperature control and regulation applications. Its proper design also helps vitalize applications in defense and military, telecommunications, and power management systems.

The DPA424GN-TL is a cost-effective voltage regulator IC with a synchronous operation that provides high output accuracy and excellent transient response characteristics. It compensates for output voltage errors induced by line and load conditions at no extra cost. Its advanced power management features include thermal protection, over voltage and over current protection, and an integrated cycle-by-cycle current-limit circuit. The IC also includes multiple soft-start and fault state protection circuits, allowing the user to monitor, detect, and protect against system and component failure.

The DPA424GN-TL\'s working principle is based on a synchronous rectification scheme. It uses a buck converter circuit to step down the input voltage, which is then regulated by an internal charge pump, level shifters and low-side FETs, creating an output voltage that is proportional to the input voltage. The charge pump compensates for variations in the input voltage and the low-side FETs provide improved efficiency and power management capabilities. Additionally, the IC can be designed to use in an open-loop or closed-loop control scheme.

The DPA424GN-TL is an ideal voltage regulator IC for applications such as those that require high power, high current and high temperature operation, or those that demand accurate output voltage and transient response. This model is well-suited to military, aerospace, and power management applications, and its advanced features make it a reliable and cost-effective choice for many voltage regulation needs.

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