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EUP2561 Datasheet(PDF) 2 Page - Eutech Microelectronics Inc |
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EUP2561 Datasheet(HTML) 2 Page - Eutech Microelectronics Inc |
2 / 9 page EUP2561 DS2561 Ver1.0 Dec. 2006 2 Pin Configurations Package Type Pin Configurations DFN-8 (Top View) Pin Description PIN Pin DESCRIPTION OUT 1 Regulated Output Voltage. IN 2 Input Supply Voltage. CTRL 3 Brightness Control Input. LED brightness is controlled by the voltage applied to CTRL. Varying the voltage from 0.24V to 1.62V adjusts the brightness from dim to bright, respectively. Any voltage above 1.62V does not increase brightness. CS 4 Current-Sense Feedback Input. Connect a resistor from CS to GND to set the LED bias current. The voltage at CS regulates to VCTRL / 10 or 0.162V, whichever is lower. COMP 5 Compensation Input. Connect a 0.1µF capacitor (CCOMP) from COMP to GND. CCOMP stabilizes the converter and controls soft-start. CCOMP discharges to GND when in shutdown. GND 6 Common Ground. Connect to PGND and the exposed pad directly under the IC. PGND 7 Power Ground. Connect to GND and the exposed pad directly under the IC. LX 8 Inductor Connection. This pin is high impedance during shutdown. |
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