6 String White LED Driver with Boost Converter,EUP2990A Replace RT8532A.
EUP2990A
EUP2990A.pdf
EUP2990A.pdfFEATURES
• 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 25kHz
• 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
PIN CONFIGUTION
CROSS
FEATURES
• 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
PIN CONFIGUTION
