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  1. Calculator Simplifies Programming the Burst Dimming Stagger on the DS3994 Cold-Cathode Fluorescent Lamp (CCFL) Controller
    Design Note
    Describes the advantages of staggering CCFL burst dimming and how to use the DS3994 burst dimming calculator.
  2. ISM Transmitter Has Constant Transmitter Power for Varying Supply Voltage
    Technical Articles
    Jan 9, 2012
    Use a switching regulator with ISM transmitter to maintain constant transmitted power over the battery voltage range. AC voltage ripple produced by a voltage converter does not degrade the quality of amplitude-shift keying (ASK) data link.
  3. Using DS1050 Programmable PWMs to Control a DC Motor and an LCD LED Backlight
    Technical Articles
    Dec 17, 2001
    This application note shows using the DS1050 to control both a CPU-type fan and display brightness via a single 2-wire bus.
  4. Buck/Boost Charge-Pump Regulator Powers White LEDs from a Wide 1.6V to 5.5V Input
    Design Note
    How to use the MAX1759 step-up/step-down charge pump to power white LEDs with constant current in low voltage applications.
  5. Why Drive White LEDs with Constant Current?
    Technical Articles
    Aug 24, 2004
    Details on why constant current drive is preferred for white LEDs. SPecific techniques are compared. Includes matching data and circuits
  6. Circuit Drives Mixed Types and Quantities of LEDs
    Technical Articles
    Jan 24, 2003
    LED-driver circuit illustrates how to mix LED quantities and types, while eliminating current-limiting resistors, driving groups of dissimilar LEDs, and requiring only one power-supply voltage.
  7. Low-Loss LED Driver Improves a System's Green Footprint by Boosting Efficiency and Extending Battery Life
    Design Note
    This application note discusses an approach to driving high-brightness LEDs that improvies the efficiency of the drive circuitry by adding a current-sense amplifier into the feedback control loop.
  8. High-Power White-LED Driver Operates on 1 or 2 Alkaline Cells
    Design Note
    High-power white-LED driver operates on 1-2 alkaline cells
  9. RF Power Reduction for CDMA/WCDMA Cellular Phones
    Design Note
    By controlling supply voltages for the RF power amplifier in a CDMA/WCDMA cellular phone, you can improve the PA efficiency, minimize heat, and dramatically extend the phone’s data/talk time.
  10. Multicolor Lighting Employs High-Power Drivers for RGB LEDs
    Technical Articles
    Jul 26, 2010
    Article presents an RGB LED driver for multicolor lighting applications with high-brightness LEDs (HB LEDs).

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