45 W / 19.5 V Ultra Book Adapter

TEA1833DB1361
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The TEA1833 demo board is a small and low cost solution for a 45W ultra book adapter or any low power adapter solution. The power supply can deliver a peak power up to 200 % for a limited amount of time. The application is EMI CISPR22, ENERGY STAR, DoE and CoC compliant. The used topology is fixed frequency flyback. The adapter has several built-in protections and compensation features and excellent efficiency and standby power consumption performance.

Product Details

Supported Devices

Power Management

AC-DC Controllers

Features

Key Features

  • Slope compensation for CCM operation
  • Low ripple and noise
  • Low-cost implementation
  • EMI CISPR22 compliant
  • Average efficiency: > 89 % (end of cable)
  • Fixed switching frequency with frequency jitter to reduce EMI
  • Limitation of switching frequency at high mains to reduce the maximum drain voltage
  • Overtemperature protection
  • Brown-in/out protection
  • 200 % peak power for 2 ms
  • ICs used: TEA1833T TSOP6 fixed frequency controller

IC

  • TEA1833T TSOP6 fixed frequency controller

Size

  • Small form factor

Power Management

  • Universal mains operation: 90 - 264 V (AC)
  • Output: 45 W; 19.5 V
  • Standby power consumption: < 58 mW (at 230 V (AC))
  • Dedicated burst mode, allowing a low VCC capacitor value
  • Accurate output overvoltage protection
  • OverCurrent Protection (OCP)
  • OverPower Protection (OPP)
  • ENERGY STAR, DoE, and CoC compliant

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TEA1833DB1361
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45W / 19.5V Ultra book adapter.

    $289.80 USD
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