OB2276中文资料High Performance Current Mode PWM Controller数据手册OB规格书

描述 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.

特性 Features

· Power on Soft Start Reducing MOSFET Vds Stress
· Frequency shuffling for EMI
· Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design
· Audio Noise Free Operation
· Fixed 65KHZ Switching Frequency
· Comprehensive Protection Coverage
· VDD Under Voltage Lockout with Hysteresis (UVLO)
· Cycle-by-cycle over current threshold setting for constant output power limiting over universal input voltage range
· Overload Protection (OLP) with auto-recovery
· Brownout Protection with auto-recovery
· Fixed VDD OVPwith latch shut down
· Adjustable VDD OVPwith latch shut down
· Over Temperature Protection with latch shut down
· Output Over Voltage Protection with latch shut down
· Available in SOP8 packages, RoHS compliant

应用 Application

Offline AC/DC flyback converter for
· Battery Charger
· Power Adapter
· Set-Top Box Power Supplies
· Open-frame SMPS