Datasheet Details
Part number:
RT9300B, RT9300A
Manufacturer:
Richtek
File Size:
114.91 KB
Description:
Low dropout current source.
Note:
This datasheet PDF includes multiple part numbers: RT9300B, RT9300A.
Please refer to the document for exact specifications by model.
RT9300B, RT9300A, Low Dropout Current Source
The RT9300A/B low-dropout bias supply for white LEDs is a high-performance alternative to the simple ballast resistors used in conventional white LED designs.
The RT9300A/B uses an internal resistor to set the bias current for four LEDs, which are matched to 5%.
The RT9300A/B's advantages over balla
RT9300B Features
* z Low 60/45mV Dropout at 20/15mA z 5% LED Current Matching z Simple LED Brightness Control z 2.5V to 5.5V Supply Voltage Range z Thermal Shutdown Protection z RoHS Compliant and 100% Lead (Pb)-Free Applications z Next-Generation Wireless Handsets z PDAs, Palmtops, and Handy Terminals z Digital Camer
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