OB3613Y
High PF Non-Isolated Buck LED Lighting Power Switch
GENERAL DESCRIPTION
OB3613Y is a high power factor, highly ...
OB3613Y
High PF Non-Isolated Buck LED Lighting Power Switch
GENERAL DESCRIPTION
OB3613Y is a high power factor, highly integrated buck
regulator with advanced features to provide high efficiency control and high precision constant current output for LED lighting applications.
OB3613Y integrates a 1.5A MOSFET to decrease physical volume. The proprietary CC control scheme is used and the system can achieve high power factor with constant on-time control scheme.
OB3613Y offers comprehensive protection coverage with auto-recovery features 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.
OB3613Y is offered in SOP8 package.
TYPICAL APPLICATION
FEATURES
Buck topology with high power factor Integrated 1.5A 600V MOSFET High precision constant current regulation at
universal AC input Low system cost and high efficiency Quasi-Resonant operation Programmable CC regulation LED short circuit protection LED open loop protection Cycle-by-cycle current limiting Built-in leading edge blanking (LEB) VDD under voltage lockout with hysteresis VDD over voltage protection Over temperature protection (OTP)
APPLICATIONS
LED lighting
On-Bright confidential to
Figure1: OB3613Y Typical Application Schematic
Output Power Table
Product
Condition
90Vac~264Vac Input
220Vac±20% Input
OB3613Y
IOUT≤0.23A
7.5W
11.2W
Note: Maximum practical continuous ...