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4V to 18V (Cold Crank) Input to 12V Output 3mm Maximum Height All Ceramic SEPIC

12V buses are often derived from sources with a wide input voltage range. For instance, automotive solutions can have steady-state operating voltages as high as 18V and as low as 4V for cold-crank conditions. Figure 4 shows a simple, low cost and low profile (3mm) solution that avoids the high cost of using both a boost and buck converter and maintains 12V system power during cold crank conditions.

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