MAXREFDES1255 is a 4-switch buck-boost converter that gives a positive step-up/stepdown output voltage. It uses MAX20048 IC, a current-mode buck-boost controller, which drives four MOSFETs to generate positive buck-boost output. This reference design can operate from 5V to 36V input and deliver up to 5A of load current at 12V output. This design targets automotive applications.
特征
High efficiency of 90%
Very low line and load regulation < 0.5%
Output voltage ripple 1% at nominal VIN
Internal soft-start
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