TOP254MN Enhanced EcoSmart, Integrated Off-Line Switcher Off Line Switcher IC

TOP254MN Enhanced EcoSmart, Integrated Off-Line Switcher Off Line Switcher IC

►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 fi eld reliability 

Description TOPSwitch-HX cost effectively incorporates a 700 V power MOSFET, high voltage switched current source, PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device.

Absolute Maximum Ratings(2)

DRAIN Peak Voltage ..................................................................-0.3 V to 700 V

DRAIN Peak Current: TOP252 ................................................................0.68 A

DRAIN Peak Current: TOP253 .................................................................1.37 A

DRAIN Peak Current: TOP254 ................................................................2.08 A

DRAIN Peak Current: TOP255 .................................................................2.72 A

DRAIN Peak Current: TOP256 ................................................................4.08 A

DRAIN Peak Current: TOP257 ................................................................5.44 A

DRAIN Peak Current: TOP258 ................................................................6.88 A

DRAIN Peak Current: TOP259 ................................................................. 7.73 A

DRAIN Peak Current: TOP260 ................................................................9.00 A

DRAIN Peak Current: TOP261 ............................................................... 11.10 A

DRAIN Peak Current: TOP262 ............................................................... 11.10 A

CONTROL Voltage ............................................................................-0.3 V to 9 V

CONTROL Current ...................................................................................... 100 mA

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