LTC3577-1 datasheet(2/52 Pages) LINER

2 / 52 page

LTC3577/LTC3577-1

3577f

TABLE OF CONTENTS

FEATURES/APPLICATIONS ..........................................................................................................................................1

ABSOLUTE MAXIMUM RATINGS .................................................................................................................................3

PACKAGE/ORDER INFORMATION................................................................................................................................3

ELECTRICAL CHARACTERISTICS .......................................................................................................................... 4-10

TYPICAL PERFORMANCE CHARACTERISTICS .................................................................................................... 10-15

PIN FUNCTION..................................................................................................................................................... 15-18

BLOCK DIAGRAM ......................................................................................................................................................18

PowerPath OPERATION ....................................................................................................................................... 19-29

LOW DROPOUT LINEAR REGULATOR OPERATION............................................................................................. 29-30

STEP-DOWN SWITCHING REGULATOR OPERATION .......................................................................................... 30-33

LED BACKLIGHT/BOOST OPERATION.................................................................................................................. 33-36

I2C OPERATION ................................................................................................................................................... 37-42

PUSHBUTTON INTERFACE OPERATION............................................................................................................... 42-46

LAYOUT AND THERMAL CONSIDERATIONS........................................................................................................ 47-48

TYPICAL APPLICATION........................................................................................................................................ 49-50

PACKAGE DESCRIPTION............................................................................................................................................51

RELATED PARTS........................................................................................................................................................52

LTC3577-1 数据表(PDF) 2 Page - Linear Technology

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