TITLE

Backlighting

PUB. DATE
January 2005
SOURCE
Portable Design;Jan2005, Vol. 11 Issue 1, p5
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
The article reports on lighting systems. The LM27g61 Features: independent resistor for programmable current setting, excellent current and brightness matching, high-efficiency 3/2x charge pump, PWM brightness control, softs tart, dual display backlighting or display and keypad backlighting, thin micro SMD-18 package. The LM3224 Features: flash or torch LED operation, PWM for torch operation, adjustable softstart, 600 kHz/1.25 MHz pin-selectable frequency operation, and over temperature protection.
ACCESSION #
15777314

 

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