OB2287/OB2288 is a high performance PWM control IC designed for high power AC/DC switch-mode power supply applications. OB2287 is designed for flyback applications while OB2288 is for forward mode with maximum duty cycle of 50%. OB2287/OB2288 is optimized by incorporating performance and protection features to support customer requirements with reduced application complexity, reduced BOM cost and reduced design cycle time.
Features:
◆ 1500mA gate drive capability with optimized drive control ◆ Built in brown out/recovery control to improve system reliability without adding extra cost ◆ Power on soft start ◆ Built-in leading edge blanking(LEB) at sense input ◆ Frequency shuffling for system EMI improvement ◆ Wide VDD input range with VDD OVP latch and clamp protections. ◆ Noise immunity design ◆ Internal selectable latch shutdown to improve system reliability ◆ Available in DIP8 and SOP8 packages,RoHS compliant
Applications:
◆ LCD TV, LCD Monitor ◆ Printer Power ◆ Power Adapter ◆ PC Power ◆ Notebook Adapter
Typical Application:
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