MCZ33972AEW

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MCZ33972AEW is a specialized, offline-switching, single-channel, 25-30kHz, isolated step-down AC/DC converter which operates with an input voltage range of 90VAC to 265VAC, offering universal input and isolation of 3000VAC. This makes the MCZ33972AEW ideal for a variety of applications, including ruggedized industrial and medical applications. The is intended to replace conventional transformer-based, non-isolated step-down AC to DC power supplies.

The MCZ33972AEW can be used in applications that require offline DC output from a wide AC input voltage range. It features a wide operating temperature range from -40°C to +105°C and is designed for LED lighting, industrial and medical equipment, server power supplies and other applications with stringent requirements for system reliability.

The MCZ33972AEW is a synchronous, monolithically integrated control IC with fixed frequency current-mode control and on-chip oscillator. The IC has an open-loop 3-pin voltage feedback mechanism with two external resistors for voltage programming. This eliminates system component cost and simplifies the design process. It integrates an internal startup scheme and a high-voltage start-up circuit, which greatly reduces component count in the system.

The MCZ33972AEW has a monitored PWM chopping circuit which enables precise regulation at full load, light load, and no-load while minimizing losses. The IC also includes over-current and over-temperature protections, EMI filters and a power good signal output. In addition, the MCZ33972AEW also has a low component count, a low profile, reduced noise operation and low power consumption. All of these make it a great choice for many industrial and medical applications.

In summary, MCZ33972AEW is a specialized, offline-switching, single-channel, 25-30kHz, isolated step-down AC/DC converter with a wide operating temperature range from -40°C to +105°C. It has an open-loop 3-pin voltage feedback mechanism, an integrated startup scheme, monitored PWM-chopping circuit, over-current and over-temperature protections and an EMI filter. It is designed for LED lighting, industrial and medical equipment, server power supplies and other applications with stringent requirements for system reliability.

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