Datasheet
Contents
1 N-Channel Controller for Dimmable LED Drives with Low-Side Current Sense ........................... 4
1.1 Introduction .................................................................................................................. 4
2 Detailed Description ............................................................................................................ 5
2.1 Description ................................................................................................................... 5
2.1.1 Typical Applications ................................................................................................ 5
2.1.2 Features ............................................................................................................. 5
3 Electrical Performance Specifications ................................................................................... 7
4 Schematic .......................................................................................................................... 8
5 Performance Data and Typical Characteristic Curves .............................................................. 9
5.1 Efficiency ..................................................................................................................... 9
5.2 Line Regulation .............................................................................................................. 9
5.3 Switch Node Voltage and LED Current Ripple ........................................................................ 10
5.4 PWM Dimming ............................................................................................................. 10
5.5 Start-up and Shut-down Response ..................................................................................... 11
5.6 Thermal Performance ..................................................................................................... 12
6 TPS92690EVM PCB layout .................................................................................................. 13
A Bill of Materials ................................................................................................................. 14
2
Contents SLVU803–December 2012
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