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TOP254YN Datasheet(PDF) 1 Page - Power Integrations, Inc. |
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TOP254YN Datasheet(HTML) 1 Page - Power Integrations, Inc. |
1 / 48 page TOP252-262 TOPSwitch-HX Family www.powerint.com January 2009 Enhanced EcoSmart ®, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range ® Product Highlights 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 heatsink 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 • • • • • • • • • • • • • • • • • Figure 1. Typical Flyback Application. Heatsink is connected to SOURCE for low EMI Improved auto-restart delivers <3% of maximum power in short circuit and open loop fault conditions Accurate hysteretic thermal shutdown function automatically recovers without requiring a reset Fully integrated soft-start for minimum start-up stress Extended creepage between DRAIN and all other pins improves field reliability • • • • • PI-4510-100206 AC IN DC OUT D S C TOPSwitch-HX CONTROL V + - F X Output Power Table Product5 230 VAC ±15%4 85-265 VAC Adapter1 Open Frame2 Peak3 Adapter1 Open Frame2 Peak3 TOP252PN/GN 9 W 15 W 21 W 6 W 10 W 13 W TOP252MN 21 W 13 W TOP253PN/GN 15 W 25 W 38 W 9 W 15 W 25 W TOP253MN 43 W 29 W TOP254PN/GN 16 W 28 W 47 W 11 W 20 W 30 W TOP254MN 62 W 40 W TOP255PN/GN 19 W 30 W 54 W 13 W 22 W 35 W TOP255MN 81 W 52 W TOP256PN/GN 21 W 34 W 63 W 15 W 26 W 40 W TOP256MN 98 W 64 W TOP257PN/GN 25 W 41 W 70 W 19 W 30 W 45 W TOP257MN 119 W 78 W TOP258PN/GN 29 W 48 W 77 W 22 W 35 W 50 W TOP258MN 140 W 92 W Table 1. Output Power Table. (for notes see page 2). Product5 230 VAC ±15% 85-265 VAC Adapter1 Open Frame2 Adapter1 Open Frame2 TOP252EN 10 W 21 W 6 W 13 W TOP253EN 21 W 43 W 13 W 29 W TOP254EN/YN 30 W 62 W 20 W 43 W TOP255EN/YN 40 W 81 W 26 W 57 W TOP255LN 40 W 81 W 26 W 57 W TOP256EN/YN7 60 W 119 W 40 W 86 W TOP256LN 60 W 88 W 40 W 64 W TOP257EN/YN 85 W 157 W 55 W 119 W TOP257LN 85 W 105 W 55 W 78 W TOP258EN/YN 105 W 195 W 70 W 148 W TOP258LN 105 W 122 W 70 W 92 W TOP259EN/YN 128 W 238 W 80 W 171 W TOP259LN 128 W 162 W 80 W 120 W TOP260EN/YN 147 W 275 W 93 W 200 W TOP260LN 147 W 190 W 93 W 140 W TOP261EN/YN 177 W 333 W 118 W 254 W TOP261LN 177 W 244 W 118 W 177 W TOP262EN6 177 W 333 W 118 W 254 W TOP262LN6 177 W 244 W 118 W 177 W |
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