OB2276数据手册OB中文资料规格书

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

应用 Application

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