参数资料
型号: LTC3589IUJ#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 2600 kHz SWITCHING FREQ-MAX, PQCC40
封装: 6 X 6 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-40
文件页数: 12/46页
文件大小: 570K
代理商: LTC3589IUJ#PBF
LTC3589/LTC3589-1
2
3589fc
TABLE OF CONTENTS
Features ............................................................................................................................ 1
Applications ....................................................................................................................... 1
Typical Application ............................................................................................................... 1
Description......................................................................................................................... 1
Absolute Maximum Ratings..................................................................................................... 3
Pin Configuration ................................................................................................................. 3
Order Information................................................................................................................. 3
Electrical Characteristics ........................................................................................................ 4
Typical Performance Characteristics .......................................................................................... 9
Pin Functions .....................................................................................................................13
Block Diagram....................................................................................................................15
Operation..........................................................................................................................16
Introduction .......................................................................................................................................................... 16
Always-On LDO..................................................................................................................................................... 17
LTC3589 to LTC3589-1 Functional Comparison .................................................................................................... 17
Step-Down Switching Regulators ......................................................................................................................... 19
Buck-Boost Switching Regulator .......................................................................................................................... 23
Slewing DAC Reference Operation........................................................................................................................ 27
Pushbutton Operation........................................................................................................................................... 28
Enable and Power-On Sequencing ........................................................................................................................ 30
Fault Detection, Shutdown, and Reporting............................................................................................................ 31
I2C Operation ........................................................................................................................................................ 33
Thermal Considerations and Board Layout ........................................................................................................... 40
Applications Information .......................................................................................................41
Typical Application ..............................................................................................................43
Package Description ............................................................................................................44
Revision History .................................................................................................................45
Typical Application ..............................................................................................................46
Related Parts .....................................................................................................................46
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