The AS3661 from ams-OSRAM USA INC. is a 9-output LED driver Integrated Circuit with DC-DC regulator, switched-capacitor (charge pump) topology, I2C dimming and 25.5 mA, in a 25-WLCSP (2.3x2.3) package.
The AS3661-BWLT-500 from ams-OSRAM USA INC. is an LED driver Integrated Circuit with 9 outputs, a switched-capacitor (charge pump) DC-DC regulator, I2C dimming, 25.5 mA output current, and a 25-WLCSP (2.5x2.5) package.
The AS3661-BWLT from ams-OSRAM USA INC. is a 9-output LED driver Integrated Circuit with switched-capacitor (charge pump) DC-DC regulation and I2C dimming, rated at 25.5 mA, in a 25-WLCSP (2.3x2.3) package.