IC LNK6778K LNK 6778K 6778 POWER RGULATOR PERSAMAAN LNK6777K LNK6777

Detail IC LNK6778K LNK 6778K 6778 POWER RGULATOR PERSAMAAN LNK6777K LNK6777

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Description by Datasheet
Product HighlightsEcoSmart™- Energy Efficient
• Multi-mode control maximizes efficiency over full load range
• No-load consumption below 30 mW at 230 VAC (LNK67xx)
• >75% efficiency with 1 W input at 230 VAC
• >50% efficiency with 0.1 W input at 230 VAC

High Design Flexibility for Low System Cost
• Dramatically simplifies power supply designs
• Eliminates optocoupler and all secondary control circuitry
• ±5% or better output voltage tolerance
• 132 kHz operation reduces transformer and power supply size
• Accurate programmable current limit
• Compensation over line limits overload power
• Frequency jittering reduces EMI filter cost
• Fully integrated soft-start for minimum start-up stress
• 725 V MOSFET simplifies meeting derating requirements(LNK677x)
• 650 V MOSFET for lowest system cost (LNK676x/LNK666x)
• Fast transient response family option (LNK666x)

Extensive Protection Features
• Auto-restart limits power delivery to 3% during overload faults
• Output short-circuit protection (SCP)
• Output overload/over-current protection (OPP, OCP)
• Optional extended shutdown delay time
• Output overvoltage protection (OVP), auto-restart or latching
• Line brown-in/out protection (line UV)
• Line overvoltage (OV) shutdown extends line surge withstand
• Accurate thermal shutdown (OTP), hysteretic or latching

Typical Applications
• LCD Monitor and TV
• Adapter• Appliances
• Embedded power supplies (DVD, set-top box)
• Industrial

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