SSC9522S

SSC9522S - DSE Rev.1.3

SANKEN ELECTRIC CO.,LTD.

2

Jan.07, 2016

http://www.sanken-ele.co.jp/en

© SANKEN ELECTRIC CO.,LTD. 2010

CONTENTS

Description ------------------------------------------------------------------------------------------------------ 1

CONTENTS ---------------------------------------------------------------------------------------------------- 2

1. Absolute Maximum Ratings----------------------------------------------------------------------------- 3

2. Electrical Characteristics -------------------------------------------------------------------------------- 4

3. Block Diagram --------------------------------------------------------------------------------------------- 6

4. Pin Configuration Definitions--------------------------------------------------------------------------- 6

5. Typical Application --------------------------------------------------------------------------------------- 7

6. External Dimensions-------------------------------------------------------------------------------------- 8

7. Marking Diagram ----------------------------------------------------------------------------------------- 8

8. Operational Description --------------------------------------------------------------------------------- 9

8.1

Resonant Circuit Operation ----------------------------------------------------------------------- 9

8.2

Startup Operation--------------------------------------------------------------------------------- 12

8.3

Soft Start Function -------------------------------------------------------------------------------- 13

8.4

High-side Driver ----------------------------------------------------------------------------------- 13

8.5

Constant Output Voltage Control-------------------------------------------------------------- 13

8.6

Automatic Dead Time Adjustment Function ------------------------------------------------ 14

8.7

Capacitive Mode Operation Detection Function -------------------------------------------- 15

8.8

Brown-in and Brown-out Function ------------------------------------------------------------ 16

8.9

External Latched Shutdown Function -------------------------------------------------------- 17

8.10 Overcurrent Protection (OCP) ----------------------------------------------------------------- 17

8.11 Overload Protection (OLP)---------------------------------------------------------------------- 18

8.12 Overvoltage Protection (OVP) ------------------------------------------------------------------ 19

8.13 Thermal Shutdown (TSD) ----------------------------------------------------------------------- 19

9. Design Notes ---------------------------------------------------------------------------------------------- 19

9.1

External Components ---------------------------------------------------------------------------- 19

9.2

PCB Trace Layout and Component Placement --------------------------------------------- 20

IMPORTANT NOTES ------------------------------------------------------------------------------------- 21