Datasheet

LTC3677-3
2
36773f
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 .........................................................................................10
Pin Functions .....................................................................................................................15
Block Diagram ....................................................................................................................18
Operation..........................................................................................................................19
PowerPath OPERATION ........................................................................................................................................ 19
Low Dropout Linear Regulator Operation ............................................................................................................. 27
Step-Down Switching Regulator Operation ........................................................................................................... 28
I
2
C Operation ........................................................................................................................................................ 32
Pushbutton Interface Operation ............................................................................................................................ 36
Layout and Thermal Considerations ..................................................................................................................... 40
Typical Application ..............................................................................................................42
Package Description ............................................................................................................43
Typical Application ..............................................................................................................44
Related Parts .....................................................................................................................44