ISL78268EVAL1Z

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The ISL78268EVAL1Z is an evaluation board designed specifically for DC-DC and AC-DC switching mode power supplies with off-line operation. It is designed to help evaluate and verify the compatibility of innovative circuit designs with different loads and applications.

This evaluation board includes the ISL78268, a high-performance, 3A integrated synchronous rectifier step-down DC-DC converter. It has an adjustable switching frequency, auto-skip and a 2MHz/1MHz selectable operating frequency. The ISL78268EVAL1Z also has a switching frequency trim pin to adjust the switching frequency to enable higher integration and a wide operating range for low noise emission.

The ISL78268EVAL1Z board is designed to operate in a wide input voltage range from 4.75V to 28V which covers all the standard input voltage range for most applications and it also supports the extended input voltage range of 4.5V-28V. The board has an adjustable output voltage range from 0.595V to 24V. The converters support both PWM and PFM operation, and can also be set to Free Run mode. It supports up to 98% peak efficiency.

The ISL78268EVAL1Z board also incorporates a gate driver as well as the latest current mode control algorithms to ensure excellent transient response and control behavior. It also features an active current-limit protection and short circuit protection with alternative voltage regulation. Over temperature protection provides additional protection for the converter.

The ISL78268EVAL1Z board includes an onboard controller for enhanced performance and easier regulation. The controller is designed to maximize converter performance and reliability over a wide range of conditions. It also supports various system-level features such as synchronization, phase shedding, soft-start, frequency hopping and the monitoring of parameters such as output voltage, current and temperature.

The ISL78268EVAL1Z board is capable of operating with high a power densities of up to 3.6W/mm. The board also incorporates a low-noise power supply architecture to provide far quieter operation compared to conventional designs.

The board is optimized to meet the stringent EMC requirements of many applications and can be mounted on a printed circuit board without any additional EMI filtering or shielding components. The board is also designed to support the smallest possible size of components, to reduce system-level costs.

In addition to its power efficiency, the ISL78268EVAL1Z board also provides equal or better power density compared to existing solutions. The board is suitable for a wide range of applications, from automotive to consumer electronics and industrial power systems.

The ISL78268EVAL1Z evaluation board is the perfect tool for system designers to quickly evaluate the performance, feature set and compatibility of their power supply designs. It provides an easy and cost-effective way to evaluate the features and benefits of the ISL78268 integrated synchronous rectifier step-down DC-DC converter.

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