产品描述
Features
Up to 150mA single channel constant current regulator
Current set by an external resistor
3V ~ 10V wide supply voltage range supports self power
structure in lighting application
Minimum 0.4V (80mA) dropout voltage
Fast current rising and falling
-40℃ ~ 85℃ operating temperature
Less than ±3% Chip to Chip current skew
Less than 2%/V load (or line) regulation
160°C half power / 115°C recovery thermal protect
Cascade-able for higher voltage drop applications
Product Description
NU510 is a medium power linear current regulation
component that can be easily used in various LED lighting
applications. It is equipped the excellent feature of good
load/line regulation capability, minimized chip current skew,
stable output current in high power or load voltage fluctuating
environment that can be used in wide area of LED lighting
source to maintain the uniformity of light intensity . NU510
also can be used in the digital PWM controlled circuit to
achieve more precise current adjusting in gray level
applications.
A special cascade mode is also provided by NU510. In
high power supply voltage and low LED load dropout voltage
application, two or more NU510 can be connected in series to
share redundant high voltage. With the exclusive voltage
sharing technology of NUMEN tech., the extra redundant
voltage that exceeds the preset threshold voltage (Viboost) can
be shared by next NU510.
With the feature of wide power supply range design and
ultra low IDD consumption, the NU510 supports the self
powered structure in LED lighting applications. In this
structure, the NU510 no need to be provided a dedicate power
circuit even the system power voltage is much higher than the
maximum operation voltage of NU510. The VDD power can be
gotten from the proper position in LED series of system.
Applications
General LED lighting
Decoration lighting for architecture
LED torch / flash light
RGB lighting
RGB display / indicator
产品图片
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