OB2539数据手册OB中文资料规格书

描述 Description

OB2535 is a high performance offline PWM Power switch for low power AC/DC charger and adapter applications. It can achieve ＼5% precision constant voltage (CV) and high precision constant current (CC). It operates in primary-side sensing and regulation. Consequently, opto-coupler and TL431 could be eliminated.\r
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特性 Features

·＼5 constant voltage regulation at universal AC input\r
· Primary-side sensing and regulation without TL431 and opto-coupler\r
· Programmable CV and CC regulation\r
· Adjustable constant current and output power setting\r
·Built-in primary winding inductance compensation\r
·Programmable cable drop compensation\r
·Power on soft-start\r
·Built-in leading edge blanking (LEB)\r
·Cycle-by-Cycle current limiting\r
·VDD under voltage lockout with hysteresis (UVLO)\r
·VDD OVP\r
·VDD clamp\r
·Available in SOP8 packages, RoHS compliant

应用 Application

·CC/CV Battery Charger\r
· Cell/Cordless Phone Charger\r
· Digital Camera Charger\r
· PDA Charger\r
· Small Power Adapter\r
· Auxiliary Power for PC, TV etc.\r
· Linear Regulator/RCC Replacement