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.
±5% constant voltage regulation at universal AC input
Primary-side sensing and regulation without TL431 and opto-coupler
Programmable CV and CC regulation
Adjustable constant current and output power setting
Built-in primary winding inductance compensation
Programmable cable drop compensation
Power on soft-start
Built-in leading edge blanking (LEB)
Cycle-by-Cycle current limiting
VDD under voltage lockout with hysteresis (UVLO)
VDD OVP
VDD clamp
Available in SOP8 packages, RoHS compliant
CC/CV Battery Charger
Cell/Cordless Phone Charger
Digital Camera Charger
PDA Charger
Small Power Adapter
Auxiliary Power for PC, TV etc.
Linear Regulator/RCC Replacement
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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.
±5% constant voltage regulation at universal AC input
Primary-side sensing and regulation without TL431 and opto-coupler
Programmable CV and CC regulation
Adjustable constant current and output power setting
Built-in primary winding inductance compensation
Programmable cable drop compensation
Power on soft-start
Built-in leading edge blanking (LEB)
Cycle-by-Cycle current limiting
VDD under voltage lockout with hysteresis (UVLO)
VDD OVP
VDD clamp
Available in SOP8 packages, RoHS compliant
CC/CV Battery Charger
Cell/Cordless Phone Charger
Digital Camera Charger
PDA Charger
Small Power Adapter
Auxiliary Power for PC, TV etc.
Linear Regulator/RCC Replacement