Datasheet Details
Part number:
OB3639B, OB3639B-On
Manufacturer:
On-Bright
File Size:
412.03 KB
Description:
Low thd offline led lighting controller.
Note:
This datasheet PDF includes multiple part numbers: OB3639B, OB3639B-On.
Please refer to the document for exact specifications by model.
OB3639B, OB3639B-On, Low THD Offline LED Lighting Controller
OB3639B is an offline LED lighting controller with high power factor, low THD and high constant current (CC) precision.
It can achieve low system cost for isolated lighting application by primary side control in a single stage converter.
It significantly simplifies the LED lighting system design by
OB3639B Features
* including programmable line voltage foldback , programmable line voltage OVP, NTC thermistor thermal foldback, LED open loop protection, LED short circuit protection, cycle-by-cycle current limiting, built-in leading edge blanking, VDD under voltage lockout (UVLO), etc. OB3639B is offered in SOP-8 p
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