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- Site_section:Resource Library
- Product_categories.lvl0:Power Management
- Design NoteDescribes the advantages of staggering CCFL burst dimming and how to use the DS3994 burst dimming calculator.
- Technical ArticlesJan 9, 2012Use 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.
- Technical ArticlesDec 17, 2001This application note shows using the DS1050 to control both a CPU-type fan and display brightness via a single 2-wire bus.
- Design NoteHow to use the MAX1759 step-up/step-down charge pump to power white LEDs with constant current in low voltage applications.
- Technical ArticlesAug 24, 2004Details on why constant current drive is preferred for white LEDs. SPecific techniques are compared. Includes matching data and circuits
- Technical ArticlesJan 24, 2003LED-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.
- Design NoteThis 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.
- Design NoteHigh-power white-LED driver operates on 1-2 alkaline cells
- Design NoteBy 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.
- Technical ArticlesJul 26, 2010Article presents an RGB LED driver for multicolor lighting applications with high-brightness LEDs (HB LEDs).