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The DC-to-DC step down converter has been an essential device especially in portable electronics such as mobile phones and laptop computers. Portable electronic devices often contain several sub-circuits, each with its own voltage level requirement different from that supplied by the battery or an external supply. With that, this reference design is a good method to effectively decrease voltage from a standard battery voltage according to the device’s voltage requirement. It saves space instead of using multiple batteries to accomplish the same output. It only uses few components such as ISL8202M power module of Intersil, which is a single channel synchronous step-down complete power supply, capable of delivering up to 3A of continuous current. Read More

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