link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 3 link to page 3 link to page 4 link to page 6 link to page 13 link to page 14 link to page 14 link to page 14 link to page 15 link to page 15 link to page 15 link to page 16 link to page 16 link to page 16 link to page 16 link to page 16 link to page 18 link to page 19 link to page 23 link to page 24 link to page 24 LTC3370 Table oF conTenTs Features .. 1Applications ... 1Typical Application ... 1Description... 1Absolute Maximum Ratings ... 3Order Information ... 3Pin Configuration ... 3Electrical Characteristics .. 4Typical Performance Characteristics .. 6Pin Functions ...12Block Diagram ..14Operation..15 Buck Switching Regulators ..15 Buck Regulators with Combined Power Stages ...15 Power Failure Reporting Via PGOODALL Pin ...16 Temperature Monitoring and Overtemperature Protection ...16 Programming the Operating Frequency ...16 Applications Information ...17 Buck Switching Regulator Output Voltage and Feedback Network ..17 Buck Regulators ..17 Combined Buck Power Stages ...17 Input and Output Decoupling Capacitor Selection..17 PCB Considerations ...19 Typical Applications ...20Package Description ..23Typical Application ..24Related Parts ...24 3370fb 2 For more information www.linear.com/LTC3370 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Block Diagram Operation Buck Switching Regulators Buck Regulators with Combined Power Stages Power Failure Reporting Via PGOODALL Pin Temperature Monitoring and Overtemperature Protection Programming the Operating Frequency Applications Information Buck Switching Regulator Output Voltage and Feedback Network Buck Regulators Combined Buck Power Stages Input and Output Decoupling Capacitor Selection PCB Considerations Typical Applications Package Description Typical Application Related Parts