LinkSwitch-III Series 交流/直流离线转换器:

The LinkSwitch-3 family of ICs dramatically simplifies low power CV/CC charger designs by eliminating an optocoupler and secondary control circuitry. The device introduces a revolutionary control technique to provide very accurate output voltage and current regulation, compensating for transformer and internal parameter tolerances along with input voltage variations.

• Eliminates all control loop compensation circuitry
• Eliminates optocoupler and all secondary CV/CC control circuitry
• Compensates for transformer inductance tolerances,input line voltage variations & cable voltage drop
• Very tight IC parameter tolerances using proprietary trimming technology
• No-load consumption at 230 VAC input with bias winding <30 mW<=""/>
• Frequency jittering greatly reduces EMI filter cost
• Programmable switching frequency up to 85 kHz to reduce transformer size
• Easily meets all global energy efficiency regulations with no added components
• Halogen free and RoHS compliant package
• Applications: Chargers for cell/cordless phones, TVs, Meters, MP3/portable audio devices, adapters