agamem microelectronics inc. AA1702 preliminary high power led driver ? copyright agamem microelectronics inc. www.agamem.com.tw 2009/05/04 ver 1.0 agamem microelectronics incorporation reserves the right to make changes without further notice to any products herein to improve reliability, functio n or design. agamem does not assume any liability arising out of the application or use of any produc ts or circuit desc ribed herein; neither does it convey any license under its patent rights, nor the rights of others. 1 description the AA1702 is a constant current driver to be appli ed on led applications. it provides two regulated c urrent ports for maximum output current up to 720ma. users may d ecide the output current by external resistor. in a ddition, the led brightness can be adjusted via oe . build-in thermal protection can prevent the chip over heat damage. features ? constant output current sink for driving leds ? adjustable output current controlled by external resistor ? build-in thermal protection ? schmitt trigger input ? 5v supply voltage ? sop8 package with thermal pad applications ? high power led driver ? rgb full color power led driver ? led table lamp block diagram
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