Table Of Contents - Infineon CoolSET-F3R ICE3BRXX65JZ series Design Manual

Table of Contents

1 Introduction ...................................................................................................................................5
2 List of Features .............................................................................................................................5
3 Package..........................................................................................................................................5
4 Block Diagram ...............................................................................................................................7
5 Typical Application Circuit...........................................................................................................8
6 Functional description and component design .........................................................................9
6.1 Startup time .....................................................................................................................................9
6.1.1 Vcc capacitor...................................................................................................................................9
6.2 Soft Start .......................................................................................................................................10
6.3 Low standby power - Active Burst Mode.......................................................................................10
6.3.1 Entering Active Burst Mode...........................................................................................................10
6.3.2 Working in Active Burst Mode .......................................................................................................11
6.3.3 Leaving Active Burst Mode ...........................................................................................................12
6.3.4 Minimum V
6.4 Low EMI noise...............................................................................................................................13
6.4.1 Frequency jittering.........................................................................................................................13
6.4.2 Soft gate drive ...............................................................................................................................13
6.4.3 Other suggestions to solve EMI issue...........................................................................................14
6.5 Tight maximum power control - Propagation delay compensation ...............................................14
6.6 Protection Features .......................................................................................................................15
6.6.1 Auto Restart Protection Mode .......................................................................................................15
6.6.2 Blanking Time for over load protection .........................................................................................16
6.6.3 User defined protection by external protection enable pin............................................................17
7 Input power curve .......................................................................................................................17
8 Layout Recommendation ...........................................................................................................20
9 Product portfolio of CoolSET
10 Useful formula & external component design .........................................................................21
11 References ...................................................................................................................................22
Application Note
supply voltage during burst mode...........................................................................13
CC
®
-F3R (DIP-8, DIP-7 & DSO-16/12) new Jitter version ............20
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ICE3BRXX65J(Z)(G)
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2010-06-20