* I Boost-up control using PWM I 2 to 6 lights of white LED (connected in series) lighted I Output current value can be set by external resis- tors (51Ω: 9.8mA, 33Ω: 15.2mA, 24Ω: 20.8mA) I Brightness adjustable by control to FB pin or CE pin I Current variation among LED decreased by high precision I
SM8121A
NPC
366.66 KB
White led driver.
SM8121A White LED Driver IC OVERVIEW The SM8121A is a high efficiency step-up DC-DC converter. Due to high voltage CMOS process realizing 25V output s.
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