
X R P 7 6 2 0
4 - C h a n n e l A d j u s t a b l e C u r r e n t I 2 C C o n t r o l l e d L E D D r i v e r
Typical Performance Characteristics
All data taken at V IN = 2.7V to 5.5V, T J = T A = 25°C, unless otherwise specified - Schematic and BOM from Application
Information/Theory of Operation section of this datasheet.
CH 1 = SDA, CH 2 = SCL, CH 4 = I LED = 20mA/div
Fig. 5: LED Current Change Settling Time
From 0.5mA to 31.5mA
Fig. 7: SDA, SCL Timeout for Shutdown
Fig. 9: Line Regulation
DAC = 101000 (20mA)
Fig. 6: LED Current Change Settling Time
From 0mA to 31.5mA
Fig. 8: LED Current Change Settling Time
From DAC 31.5mA to 0mA
Fig. 10: Line Regulation LED1
DAC = 101000 (20mA)
? 2012 Exar Corporation
6/11
Rev. 1.1.0