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Preliminary T6316A/B
Low-Dropout, Constant-Current White LED Bias Supply
FEATURES
• Up to 400mA LED Bias Current • 3% LED Current Matching • Simple LED Brightness Control www.
DataSheet4U.
com • Low 0.
05uA Shutdown Current • 2.
7V to 5V Supply
Voltage Range • SOP-8 Package and Lead-free • VSET Resistor Option : T6316A : External Resistor T6316B : 20, 85, 100, 125, 150, 175, 200, 250, 300 and 350mA Output Current Option by Internal Resistor • Build in Thermat Protect 160 °C
GENERAL DESCRIPTION
The T6316A/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 T6316A uses a single resistor ...