OB3338C controller equivalent, dimmable offline led controller.
including LED open loop protection, LED short circuit protection, cycle-by-cycle current limiting, built-in leading edge blanking, VDD under voltage lockout (UVLO), etc.
.
* LED lighting
PFC 400V
VLED
+ CO NS NP
+
DIM FB VS CMP
VDD GATE
GND CS
OB3338C
NAUX
M1
©On-Bright Electroni.
OB3338C is a dimmable offline controller, achieve high power factor, low THD and no stroboscopic specialized for LED lighting application combing with PFC system. It can achieve low system cost for an isolated lighting application by primary side con.
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