SUCW62412C

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DC-DC converters are found in many electronic components for use in a wide range of industrial applications. SUCW62412C is a DC DC converter manufactured by Exar Corporation and designed for telecom as well as for other power applications in the 10 to 60 watt range. The SUCW62412C offers a complete, cost effective power solution by delivering high efficiency, high currents, high reliability, high power density, wide temperature range and outstanding transient response.

SUCW62412C is configured as a high performance dual mode synchronous rectifier dc-dc buck converter with high efficiency and good EMI performance. The device integrates a 1MHz synchronous rectifier buck converter with advanced buck-boost architecture with integrated inductor and low output ripple. It is capable of providing an excellent transient response and system standby current draw of less than 100 square microamperes.

The SUCW62412C buck converter operates in two modes. In the active mode, the output voltage is regulated by controlling the voltage applied to the phase pin to maintain a constant output. In the standby mode, the converter will enter a standby mode when the input voltage is below the specified minimum or exceed the specified maximum. The device will automatically enter the shutdown mode when the output voltage drops below the minimum or rises above the maximum. The device has a comprehensive system protection feature that monitors and detects over temperature, over voltage, under-voltage, and over-current conditions. It also includes an active over-power protection to protect the device during fault conditions.

The SUCW62412C offers a wide operating temperature range of -40C to +85C. The power density is 1.76W/cm2, with a maximum output current of 10A and a maximum output voltage of 59.2V. The device can deliver high efficiency over a wide input voltage range and also offers excellent transient performance. In addition, it has a maximum efficiency of 97% at 230Vdc input and a no-load power consumption as low as 10mW at 250Vdc input.

The SUCW62412C is designed to drive applications such as power supplies, portable electronics, embedded systems, telecom equipment, and industrial control systems. The device is available in a variety of packages, including through-hole and surface mount, as well as a few lead-free options. The device also features a wide range of external components, including capacitors, resistors, and inductors.

The principle of operation for the SUCW62412C is based on buck-boost architecture where both buck and boost are integrated into a single device. The device makes use of an internal high speed switching controller that drive the external power devices in a synchronous rectifier buck-converter circuit. The switching frequency of 1MHz keeps the external components small and the converter is able to deliver high efficiency over a wide input voltage range.

The SUCW62412C is well suited to a wide range of industrial applications thanks to its power efficiency, high efficiency, along with its excellent transient response. The device is also widely used in telecom and power applications and offers outstanding performance in terms of low output ripple, wide operating temperature range, and high power density. It is available in a variety of packages, and is capable of delivering high efficiency over a wide input voltage range.

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