LNK353P

Микросхема LNK353P (LNK353PN)

LNK353P - IC OFFLINE SWITCHER, DIP-7

 

Features Optimized for Lowest System Cost

• Fully integrated auto-restart for short-circuit and open loop protection
• Self-biased supply – saves transformer auxiliary winding and associated bias supply components
• Tight tolerances and negligible temperature variation on key parameters eases design and lowers cost
• High maximum switching frequency allows very low flux density transformer designs, practically eliminating audible noise
• Frequency jittering greatly reduces EMI
• Packages with large creepage to high voltage pin
• Lowest component count switcher solution

 

Much Better Performance over Linear/RCC

• Lower system cost than RCC, discrete PWM and other integrated solutions
• Universal input range allows worldwide operation
• Simple ON/OFF control – no loop compensation needed
• No bias winding – simpler, lower cost transformer
• High frequency switching – smaller and lower cost transformer
• Very low component count – higher reliability and single side printed circuit board
• High bandwidth provides fast turn on with no overshoot and excellent transient load response
• Current limit operation rejects line frequency ripple
• Built-in current limit and hysteretic thermal shutdown protection

 

 EcoSmart® – Extremely Energy Efficient

• No-load consumption <300 mW without bias winding at 265 VAC input
• Meets California Energy Commission (CEC), Energy Star, and EU requirements

 

Применение

• Chargers for cell/cordless phones, PDAs, digital cameras, MP3/portable audio devices, shavers etc.
• Standby and auxiliary supplies

 

Datasheet LNK353P PDF