CS35L01/03

2

DS909A2

TABLE OF CONTENTS

1. BALL DESCRIPTIONS FOR CS35L01 & CS35L03 .............................................................................. 5

2. DIGITAL BALL CONFIGURATIONS ..................................................................................................... 6

3. TYPICAL CONNECTION DIAGRAMS ................................................................................................... 7

4. CHARACTERISTICS & SPECIFICATIONS ........................................................................................... 8

RECOMMENDED OPERATING CONDITIONS .................................................................................... 8

ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 8

ELECTRICAL CHARACTERISTICS - ALL OPERATIONAL MODES ................................................... 9

ELECTRICAL CHARACTERISTICS - SD MODE ................................................................................ 10

ELECTRICAL CHARACTERISTICS - FSD MODE .............................................................................. 11

ELECTRICAL CHARACTERISTICS - HD MODE ................................................................................ 12

ELECTRICAL CHARACTERISTICS - FHD MODE ............................................................................. 13

DIGITAL INTERFACE SPECIFICATIONS AND CHARACTERISTICS ............................................... 14

POWER-UP & POWER-DOWN CHARACTERISTICS ........................................................................ 14

5. APPLICATIONS ................................................................................................................................... 15

5.1 MODE Descriptions ....................................................................................................................... 15

5.1.1 Standard Class-D Modes of Operation ................................................................................. 15

5.1.1.1 SD Mode .................................................................................................................... 15

5.1.1.2 FSD Mode .................................................................................................................. 15

5.1.2 Hybrid Class-D Modes of Operation ...................................................................................... 15

5.1.2.1 HD Mode .................................................................................................................... 16

5.1.2.2 FHD Mode ................................................................................................................. 16

5.2 Reducing the Gain with External Series Resistors ........................................................................ 16

5.3 Output Filtering with the CS35L01/03 ............................................................................................ 17

5.3.1 Reduced Filter Order with the CS35L01/03 .......................................................................... 17

5.3.2 Filter Component Selection ................................................................................................... 17

5.3.3 Output Filter Power Dissipation Considerations .................................................................... 18

5.3.3.1 Conduction Losses for All modes of Operation ......................................................... 18

5.3.3.2 Switching Losses in SD/FSD Mode ........................................................................... 18

5.3.3.3 Switching Losses in HD/FHD. .................................................................................... 18

5.4 Power-Up and Power-Down .......................................................................................................... 19

5.4.1 Recommended Power-Up Sequence .................................................................................... 19

5.4.1.1 Zero-Crossing on Power-Up Functionality ................................................................. 19

5.4.2 Recommended Power-Down Sequence ............................................................................... 20

5.5 Over Temperature Protection ........................................................................................................ 20

6. TYPICAL PERFORMANCE PLOTS ..................................................................................................... 21

6.1 SD Mode Typical Performance Plots ............................................................................................. 21

6.2 FSD Mode Typical Performance Plots ........................................................................................... 23

6.3 HD Mode Typical Performance Plots ............................................................................................. 25

6.4 FHD Mode Typical Performance Plots ........................................................................................... 27

7. PARAMETER DEFINITIONS ................................................................................................................ 29

8. PACKAGING AND THERMAL INFORMATION .................................................................................. 30

8.1 Package Drawings and Dimensions .............................................................................................. 30

8.2 Recommend PCB Footprint and Routing Configuration ................................................................ 31

8.3 Package Thermal Performance ..................................................................................................... 31

8.3.1 Determining Maximum Ambient Temperature ....................................................................... 32

9. ORDERING INFORMATION ................................................................................................................ 33

10. REVISION HISTORY .......................................................................................................................... 33