TOP264-271 TOPSwitch-JX Family-Integrated Off-Line Switcher with EcoSmart™ Technology for Highly Efficient Power Supplies
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TOPSwitch-JX cost effectively incorporates a 725 V power
MOSFET, high-voltage switched current source, multi-mode
PWM control, oscillator, thermal shutdown circuit, fault
protection and other control circuitry onto a monolithic device.
Typical Applications
• Notebook or laptop adapter
• Generic adapter
• Printer
• LCD monitor
• Set-top box
• PC or LCD TV standby
• Audio amplifier
Output Power Ratings
See next page.
EcoSmart – Energy Efficient
• Ideal for applications from 10 W to 245 W
• Energy efficient over entire load range
• No-load consumption below 100 mW at 265 VAC
• Up to 750 mW standby output power for 1 W input at 230 VAC
High Design Flexibility for Low System Cost
• Multi-mode PWM control maximizes efficiency at all loads
• 132 kHz operation reduces transformer and power supply size
• 66 kHz option for highest efficiency requirements
• Accurate programmable current limit
• Optimized line feed-forward for line ripple rejection
• Frequency jittering reduces EMI filter cost
• Fully integrated soft-start for minimum start-up stress
• 725 V rated MOSFET
• Simplifies meeting design derating requirements
Extensive sProtection Feature
• Auto-restart limits power delivery to <3% during overload faults
• Output short-circuit protection (SCP)
• Output over-current protection (OCP)
• Output overload protection (OPP)
• Output overvoltage protection (OVP)
• User programmable for hysteretic/latching shutdown
• Simple fast AC reset
• Primary or secondary sensed
• Line undervoltage (UV) detection prevents turn-off glitches
• Line overvoltage (OV) shutdown extends line surge withstand
• Accurate thermal shutdown with large hysteresis (OTP)
- Daily worldwide shipping, +1,000,000 items in stock in China at affordable prices.
- All the items are not listed in the website, In case you need any other related items, Please contact us for the more information.
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