LX27901ID SOP 16
LX27901ID SOP 16 ORIGINAL
LLC, PWM and proprietary synchronous modes to drive the LED strings
LED strings can be dimmed by PWM
or analog methods Proprietary algorithm to provide
accurate brightness control at high efficiency over wide dimming duty cycle range
A P P L IC A T I ONS
LCD LED Backlight TV
LCD LED Backlight Monitors
Other LED Backlight Systems
376,000 تومان
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توضیحات
Direct PWM input dimming
operation can be realized by
inputting a suitable dimming pulse
train to the DIM pin. The LX27901
supports analog LED current control
utilizing the BRTA pin for setting the
analog LED current.
In addition, a proprietary dimming
algorithm ACU_BRITE® is
incorporated. The controller
integrates the pulsed LED current
and compares it with a reference for
very accurate brightness control
irrespective of duty cycle.
In non-resonant mode, the
controller provides two 180° phaseshifted pulse-width modulated drive
signals for implementing various
two-switch DC-DC converter
topologies, such a half-bridge and
asymmetrical forward converter. It
can also be used for one-switch
topologies
توضیحات تکمیلی
| Package |
SOP-16 |
|---|---|
| کیفیت |
original |
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