SY21299DBC - High Current Step Up Regulator


·       Internal 9A Switch

·       Low RDS(ON) for Internal Switch: 65mΩ

·       Programmable Peak Current Limit

·       Programmable Constant OFF Time

·       Maximum Voltage Rating of Internal Switch 36V

·       Internal Softstart Limiting the Inrush Current

·       RoHS Compliant and Halogen Free

· Compact Package: DFN3×3-10

Typical Application


SY21299 is a high efficiency, current-mode control Boost DC to DC regulator with an integrated 65mΩ  RDS(ON) N-channel MOSFET. The OFF time and the peak current limit can be programmed for more applications.


·       Industry Control System

· Battery Power System

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