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Analog Devices MAX20408 and MAX20410 Fully Integrated Buck Converters are automotive, highly integrated synchronous buck converters with internal high-side and low-side switches. The ICs are designed to deliver up to 8A/10A with input voltages from 3.0V to 36V. The PGOOD signal can monitor the voltage quality. The MAX20408 and MAX20410 can operate in the dropout mode by running at a 99% duty cycle, making them ideal for automotive and industrial applications.
The MAX20408 / MAX20410 offer programmable or fixed output voltage options. High switching frequency at 2.1MHz and 400kHz options allow for small external components, reduced output ripple, and guarantee no AM interference. SYNC input programmability enables three modes for optimized performance: forced PWM mode, skip mode with ultra-low quiescent current, and synchronization to an external clock. The spread spectrum option minimizes EMI radiated emissions.
The Analog Devices MAX20408/MAX20410 also comes with dual-phase capability allowing up to 20A designs. Two ICs can be configured as a master and a slave with dynamic current sharing and 180º out-of-phase operation. The MAX20408 / MAX20410 is available in a small 3.5mm x 3.75mm, 17-pin FC2QFN package. These devices are pin-to-pin compatible with the MAX20404 / MAX20405 / MAX20406 (4 to 6A) family of products.
