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OB3613Y

High PF Non-Isolated Buck LED Lighting Power Switch



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OB3613Y pdf
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



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OB3613Y pdf
OB3613Y
High PF Non-Isolated Buck LED Lighting Power Switch
GENERAL INFORMATION
Pin Configuration
The pin map is shown as below for SOP8.
VDD 1
FB 2
COMP 3
8 GND
7 GND
6 DRAIN
CS 4
5 DRAIN
Ordering Information
Part Number
Description
OB3613YCP
8 Pin SOP, Pb free in Tube
OB3613YCPA
8 Pin SOP, Pb free in T&R
Note: All Devices are offered in Pb-free Package if not
otherwise noted.
Package Dissipation Rating
Package
RθJA (/W)
SOP8
90
Absolute Maximum Ratings
Parameter
Value
VDD Voltage
-0.3 to 40V
DRAIN Voltage
-0.3 to 600V
CS Input Voltage
-0.3 to 7V
FB Input Voltage
-0.3 to 7V
COMP Input Voltage
-0.3 to 7V
Min/Max Operating
Junction Temperature TJ
Min/Max Storage
Temperature Tstg
Lead Temperature
(Soldering, 10secs)
-40 to 150
-55 to 150
260
Note: Stresses beyond those listed under “absolute maximum
ratings” may cause permanent damage to the device. These
are stress ratings only, functional operation of the device at
these or any other conditions beyond those indicated under
“recommended operating conditions” is not implied. Exposure
to absolute maximum-rated conditions for extended periods
may affect device reliability.
C:SOP8
P:Pb-free
Blank:Tube
A: Tape/Reel
©On-Bright Electronics
Confidential
-2-
Preliminary Datasheet
OB_DOC_DS_3613Y00



Part Number OB3613Y
Description High PF Non-Isolated Buck LED Lighting Power Switch
Maker On-Bright - On-Bright
Total Page 9 Pages
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