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TOP259EN - Integrated Off-Line Switcher

TOP259EN - Integrated Off-Line Switcher

Manufacturer: Power Integrations
Part No: TOP259EN
Availability: In Stock

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TOPSwitch-HX Family - Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range

Key Features

➤ Multi-mode operation maximizes efficiency at all loads

➤ New eSIP-7C and eSIP-7F packages build on PI’s experience with high power and high reliability packages
➤ No heatsink required up to 35 W (up to 48 W at 230 VAC) using P, G or M packages
➤ Output overvoltage protection (OVP) is user programmable for latching/non-latching shutdown with fast AC reset
➤ 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 packages) reduces transformer and power supply size (half frequency option for video applications)
➤ Tight I2f parameter tolerance reduces system cost
➤ Frequency jittering reduces EMI filter cost
➤ 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

EcoSmart – Energy Efficient
➤ Energy efficient over entire load range
➤ No-load consumption
➤ Less than 200 mW at 230 VAC
➤ Standby power for 1 W input
➤ >600 mW output at 110 VAC input
➤ >500 mW output at 265 VAC input

eSIP (E) Package (eSIP Package Information)
➤ Low junction-to-case thermal impedance (2 °C per watt)
➤ Low height is ideal for adapters where space is limited
➤ Simple clip-mounted heat sink reduces manufacturing cost

Power Table

Output Power (watts)

230 VAC ±15%

85-265 VAC










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