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SP7680EB Datasheet(PDF) 6 Page - Sipex Corporation |
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SP7680EB Datasheet(HTML) 6 Page - Sipex Corporation |
6 / 16 page June 21-07 revH SP7680: Complete Backlight Solution 2007 Sipex Corporation Page 6 PIN DESCRIPTION PIN # PIN NAME DESCRIPTION 6 VIN Input voltage for the regulator. Connect a 2.2µF decoupling capacitor between this pin and ground. 12-16 1,2 LED1-LED 5 LED6,LED7 Connect an LED between each pin and VOUT. Current value is controlled by the serial interface. The current level through each pin is internally matched within 3%. This current value can be programmed to any level for MAIN or SUB LEDs with 0.5mA step (64 steps total). Voltage at these pins is internally monitored to control the switching between 1x and 1.5x mode in order to ensure the best possible efficiency. 5 VOUT Output of the charge pump. Place a 1µF decoupling capacitor from this pin to ground. This voltage is regulated by the 1x or 1.5x charge pump to create voltage sufficient to operate the current sources. 11 GND Ground pin. 3,4 SDA,SCL Clock and data inputs for I 2C interface. Connect a 100K pull-up to VIN or Vcc. 7,8 C1-, C1+ Connect 0.47µF ceramic capacitor between these pins. 9,10 C21, C2+ Connect 0.47µF ceramic capacitor between these pins. - Thermal Pad Connect to GND. SP7680 FUNCTIONAL DIAGRAM 2.2uF |
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