TOP258PN英文资料下载

　　Lower System Cost， Higher Design Flexibility • Multi-mode operation maximizes efficiency at all loads • New eSIP-7F and eSIP-7C packages • Low thermal impedance junction-to-case （2 °C per watt） • Low height is ideal for adapters where space is limited • Simple mounting using a clip to aid low cost manufacturing • Horizontal eSIP-7F package ideal for ultra low height adapter and monitor applications • Extended package creepage distance from DRAIN pin to adjacent pin and to heat sink • No heat sink required up to 35 W using P， G and M packages with universal input voltage and up to 48 W at 230 VAC • Output overvoltage protection （OVP） is user programmable for latching/non-latching shutdown with fast AC reset • Allows both primary and secondary sensing • Line undervoltage （UV） detection prevents turn-off glitches • Line overvoltage （OV） shutdown extends line surge limit • Accurate programmable current limit • Optimized line feed-forward for line ripple rejection • 132 kHz frequency （254Y-258Y and all E/L packages） reduces transformer and power supply size • Half frequency option for video applications • Frequency jittering reduces EMI filter cost