INTEGRATED AC/DC OFF-LINE SW WITH CV CONTROL, LNK623PG, DIP-8C

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PID# 161222

CA$2.50
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Description

LinkSwitch™-CV dramatically simplifies low power, constant voltage (CV) converter design through a revolutionary control technique which eliminates the need for both an optocoupler and secondary CV control circuitry while providing very tight output voltage regulation. The combination of proprietary IC trimming and E-Shield™ transformer construction techniques enables Clampless™ designs with the LinkSwitch-CV LNK623/4. LinkSwitch-CV provides excellent cross-regulation for multiple-output flyback applications such as DVDs and STBs. A 725V power MOSFET and ON/OFF control state machine, self-biasing, frequency jittering, cycle-by-cycle current limit and hysteretic thermal shutdown circuitry are all incorporated onto one IC. Meets HV creepage requirements between Drain and all other pins, both on the PCB and at the package. Applications includes DVD/STB, adapters, standby and auxiliary supplies, home appliances, white goods, consumer electronics and industrial controls.

Features:

  • 6.5W (adapter), 9W (open frame) at 230VAC/5W (adapter), 6W (open frame) at 85-265VAC O/P power
  • Dramatically simplifies CV converters, advanced performance and advanced protection/safety features
  • EcoSmart™ energy efficient, hysteretic thermal shutdown, auto-restart protection
  • Energy-efficient, off-line switcher with accurate primary side constant voltage (CV) control
  • Eliminates optocoupler and all secondary CV control circuitry
  • Compensates for external component temperature variations
  • Very tight IC parameter tolerances using proprietary trimming technology
  • Continuous and/or discontinuous mode operation for design flexibility
  • Easily meets all global energy efficiency regulations with no added components
  • No-load consumption 200mW at 230VAC and down to below 70mW with optional external bias

Specifications:

  • Mounting Style: Through Hole
  • Package / Case: DIP-8C
  • Output Voltage: 6 V
  • Output Power: 6 W
  • Input / Supply Voltage - Min: 85 VAC
  • Input / Supply Voltage - Max: 265 VAC
  • Technology: Si
  • Switching Frequency: 100 kHz
  • Duty Cycle - Max: 54 %
  • Operating Supply Current: 440 uA
  • Minimum Operating Temperature: - 40 C
  • Maximum Operating Temperature: + 150 C
  • Output Current: 225 mA
  • Brand: Power Integrations
  • Number of Outputs: 3 Output
  • Unit Weight: 1 g

Datasheet

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