Macroblock
Preliminary Datasheet
MBI1828
8-Channel All-Ways-OnTM Constant Current LED Driver
Features
z Maximum 50V output sustaining voltage z 8 constant-current output channels z Adjustable 5 - 60mA output current per channel through an external resistor z Constant output current invariant to load voltage change z Excellent output current accuracy:
between channels: ±3% (max.
), and between ICs: ±6% (max.
) z Open-circuit detection mode to detect LED errors z Integrated voltage
regulator for 8 - 40V supply voltage z Voltage feedback for DC/DC controller z Package Type: “Pb-free & Green” package with thermal pad
Current Accuracy
Between Channels
Between ICs
±3%
±6%
Conditions ...