Contents

STWLC04

2/18

DocID029626 Rev 2

Contents

1

Introduction ..................................................................................... 3

2

Pin configuration ............................................................................. 4

3

Maximum ratings ............................................................................. 7

4

Application information .................................................................. 9

4.1

Application schematic and recommended external components....... 9

4.2

External passive component selection ............................................ 12

4.2.1

Input resonant circuit component selection (L1, C1, C2) ................. 12

4.2.2

Voltage clamp resistor selection (RCL1, RCL2)............................... 12

4.2.3

Load modulation capacitor selection (CM1, CM2) ........................... 13

4.2.4

Feedback resistor divider component selection (RFB1, RFB2) ....... 13

4.2.5

Rx NTC circuit component selection (RNTC, R1) ............................ 13

4.2.6

Soft-start capacitor selection (C10) .................................................. 13

4.2.7

External supply transistor selection .................................................. 13

4.3

Reference PCB layout..................................................................... 14

5

Package information ..................................................................... 15

5.1

Flip Chip 77 bumps (3.12x4.73 mm) package information .............. 15

6

Revision history ............................................................................ 17