Description
BP3337DB Low PF Flyback PSR LED Driver .
BP3337DB is a low PF PSR (Primary Side Regulation) constant current LED driver with high current accuracy.
Features
* HV JFET inside to deliver fast start-up
* High accuracy of current reference (+/-3%)
* Good load regulation
* Critical conduction mode
* Low operating current
* VCC UVLO
* Cycle-by-cycle current limitation
* Output open/short protection
* Thermal fold back
Applications
* LED panel light
* LED downlight
DIP-7 Package
Typical Application
DC+
NP
NS
NA DC-
BP3337DB
7 VCC DRAIN 5
3 FB
DRAIN 6
2 COMP
1 GND
CS 4
Figure 1 BP3337DB Typical Application
BP3337DB_EN_DS_Rev.1.1
www. bpsemi. com
1
09/2022
BPS Confidential Customer Use Only
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