EUP2990A.pdf?2.5V to 24 V Input Voltage
? 6 Strings in Parallel and Up to 10 WLEDs Per
String
? Integrated 2.5A 43V MOSFET
? Output Voltage Up to 43V
? Programmable Full Channel Current from 5mA
to 50mA
? Direct PWM Dimming up to 20kHz
? PWM to Analog Dimming up to 20kHz with 8
bit resolution
? Better Than 2% Current Regulation Accuracy
Between Strings
? Multiple Fault Protections
-Current Limit Protection
-Over Voltage Protection
-Over Temperature Protection
-WLED Open/Short Protection
? Available in 3mm×3mm TQFN-20 Package
? RoHS Compliant and 100% Lead (Pb)-Free
Halogen-Free
? Wide Input Voltage : VIN 2.5V to 24V
? High Output Voltage : VOUT up to 43V
? Programmable Full Channel Current from 5mA to
50mA and Matched to 2%
? Channel Current Regulation with ±±±3% Accuracy
? Dimming Controls
-Direct PWM Dimming up to 20kHz and Minimum
On-Time to 500ns
-PWM to Analog and PWM Dimming up to
20kHz with Maximum 9 bit Resolution
? Built-In Soft Start to Prevent Inrush Current without
External Capacitor
? Disconnects LED in Shutdown
? Protection
-Strings Open Detection
-Current Limit Protection
-Programmable Over Voltage Protection
-Over Temperature Protection
? 20-Lead WQFN Package
? RoHS Compliant and Halogen Free
