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DD231 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 3-CHANNEL CONSTANT CURRENT LED DRIVERS - SiTi

भाग संख्या DD231
समारोह 3-CHANNEL CONSTANT CURRENT LED DRIVERS
मैन्युफैक्चरर्स SiTi 
लोगो SiTi लोगो 
पूर्व दर्शन
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<?=DD231?> डेटा पत्रक पीडीएफ

DD231 pdf
點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
DD231
DD231
3-CHANNEL CONSTANT CURRENT LED DRIVERS
DESCRIPTION
The DD231 is a 3-channel constant current LED driver. It’s designed to operate as a
constant-current sink to drive the LEDs with an external resistance in low power environment.
Because the DD231 directly determines output current by each channel in low Bit-to-Bit skew, it is
ideal for driving LED whose light intensity is proportional to the current passing through them, not
the voltage across their terminals.
This configuration eliminates the need of external capacitors and inductances. With an input
voltage range of 3V to 5V, so the device can work in general battery system. The value of constant
current can be varied using an external resistor (Iout = 5 ~30mA).
GENERAL FEATURES
Constant Current Output, 5~30mA.
Supply Voltage VDD is 3V to 5V.
Bit-to-Bit : ± 3.0% (Max) @ IOUT = 5 ~ 30mA.
Only Need One External Resistor, No Other External Parts.
Small 6-Pin SOT26 Package.
APPLICATIONS
White LED Display Backlighting
Cellular Telephones
Handheld Computers
Digital Cameras
Portable MP3 Players
Pagers
Personal Digital Assistant
E-Books and Sub Notebooks
3-CHANNEL CONSTANT CURRENT LED DRIVERS Version: A.003
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