LTC3370

2

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Table oF conTenTs

Features............................................................................................................................ 1

Applications ....................................................................................................................... 1

Typical Application ............................................................................................................... 1

Description......................................................................................................................... 1

Absolute Maximum Ratings..................................................................................................... 3

Order Information................................................................................................................. 3

Pin Configuration ................................................................................................................. 3

Electrical Characteristics........................................................................................................ 4

Typical Performance Characteristics .......................................................................................... 6

Pin Functions .....................................................................................................................12

Block Diagram....................................................................................................................14

Operation..........................................................................................................................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 .............................................................................................................20

Package Description ............................................................................................................23

Typical Application ..............................................................................................................24

Related Parts .....................................................................................................................24