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 11 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 15 link to page 17 link to page 17 link to page 17 link to page 17 link to page 17 link to page 17 link to page 19 link to page 23 link to page 25 link to page 26 link to page 26 LTC3374 TABLE OF CONTENTS Features ... 1Applications Information ..17Applications .. 1 Buck Switching Regulator Output Voltage Typical Application .. 1 and Feedback Network .. 17 Description.. 1 Buck Regulators ... 17 Absolute Maximum Ratings .. 3 Combined Buck Regulators... 17 Pin Configuration .. 3 Input and Output Decoupling Capacitor Selection... 17 Order Information .. 3 PCB Considerations .. 19 Electrical Characteristics ... 4Package Description ...23Typical Performance Characteristics ... 6Revision History ..25Pin Functions ..11Typical Application ...26Block Diagram ...13Related Parts ..26Operation...14 Buck Switching Regulators ... 14 Buck Regulators with Combined Power Stages .. 14 Power Failure Reporting Via PGOOD_ALL Pin .. 15 Temperature Monitoring and Overtemperature Protection ... 15 Programming the Operating Frequency .. 15 3374fc 2 For more information www.linear.com/LTC3374 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Buck Switching Regulators Buck Regulators with Combined Power Stages Power Failure Reporting Via PGOOD_ALL Pin Temperature Monitoring and Overtemperature Protection Programming the Operating Frequency Applications Information Buck Switching Regulator Output Voltage and Feedback Network Buck Regulators Combined Buck Regulators Input and Output Decoupling Capacitor Selection PCB Considerations Package Description Revision History Typical Application Related Parts