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Analog Devices Inc. MAX42405/MAX42406 Synchronous Buck Converters are tiny, 36V, 5A/6A synchronous buck converters with integrated high- and low-side switches. Delivering up to 6A, the ICs feature wide input voltages ranging from 4.5V to 36V. Voltage quality can be monitored by observing the PGOOD signal. The ICs can operate in dropout by running at a very high duty cycle, making it ideal for industrial applications. Available in a small 3.5mm x 3.75mm, 17-pin Flip-Chip Quad Flat No lead (FC2QFN) package, The MAX42405/MAX42406 converters use very few external components.
The Analog Devices MAX42405/MAX42406 offer programmable voltage ranges from 0.8V to 10V. Frequency is internally fixed at 400kHz and 1.5MHz, allowing reduced output ripple. The ICs automatically enter skip mode at light loads with an ultra-low quiescent current of 10μA at no load. This family of products offers a pin-to-pin compatible portfolio from 5A to 10A in a single-phase configuration and up to 20A in a dual-phase configuration. These devices have also been optimized for dual-phase operation with very high current-sharing accuracy.
