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OB2276

On-Bright
Part Number OB2276
Manufacturer On-Bright
Description High Performance Current Mode PWM Controller
Published Nov 21, 2014
Detailed Description OB2276 High Performance Current Mode PWM Controller GENERAL DESCRIPTION OB2276 is a highly integrated current mode PWM ...
Datasheet PDF File OB2276 PDF File

OB2276
OB2276

Overview
OB2276 High Performance Current Mode PWM Controller GENERAL DESCRIPTION OB2276 is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications.
PWM switching frequency at normal operation is internally fixed and is trimmed to tight range.
At no load or light load condition, the IC operates in extended ‘burst mode’ to minimize switching loss.
Lower standby power and higher conversion efficiency is thus achieved.
VDD low startup current and low operating current contribute to a reliable power on startup and low standby design with OB2276.
OB2276 offers complete protection coverage with auto-recovery including Cycle-by-Cycle current limiting (OCP), over load protection (OLP), Brownout protection, and VDD under voltage lockout (UVLO).
It also provides latch shut down mode protection include fixed/adjustable VDD over voltage protection (OVP), over temperature protection (OTP) and output over volt...


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