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OB3613Y Datasheet

High PF Non-Isolated Buck LED Lighting Power Switch

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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
Figure1: OB3613Y Typical Application Schematic
Output Power Table
Product
Condition
90Vac~264Vac Input
220Vac±20% Input
OB3613Y
IOUT0.23A
7.5W
11.2W
Note: Maximum practical continuous power in an open frame design with sufficient drain pattern as a heat sink, at 50ambient
and 60temperature rise. Higher output power is possible with extra added heat sink or air circulation to reduce thermal resistance.
©On-Bright Electronics
Confidential
-1-
Preliminary Datasheet
OB_DOC_DS_3613Y00
On-Bright
On-Bright



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