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

STOCK LIST

CHONGMING GROUP (HK) INT'L CO., LTD. located in Hong Kong and Shenzhen. We are an independent Distributor of Electronic Components,established in 2008. AS a growing fast company, CM GROUP is renowned for its world-class efficiency, excellent services, and extraordinary ability to supply electronic components that are hard to find and even obsolete. We have taken pride in our innovation, reliability and service, especially in the semiconductor marketplace.
Our distribution brands include XILINX，ALTERA，ATMEL, INFINEON, ST,SAMSUNG，TEXAS INSTRUMENTS，ON，TOSHIBA，，MICROCHIP，CYPRESS，FREESCALE，etc. We distributes over 200,000 products ranging from semiconductors to resistors, capacitors, diodes, inductors, connectors, transistors, sensors and so on.
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