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The RT7739LN is an enhanced high-efficiency multi-mode PWM flyback controller, incorporating Richtek's proprietary SmartJitter<sup>TM </sup>technology. The innovative SmartJitter<sup>TM</sup> technology can reduce EMI emissions of a switch-mode power supply in green mode as well as eliminate output ripple due to frequency jittering. <p align="justify">The RT7739LN is a current-mode PWM controller for flyback converters. It integrates comprehensive and programmable protection features, which include propagation delay compensation, output over-voltage protection (OVP), external over-temperature protection (OTP), and bulk-capacitor brown-in/brown-out protection. With the above features, the RT7739LN enables a cost-effective and compact design for a wide range of AC-DC conversion applications. It is available in a SOT-23-6 package.</p>
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  • Proprietary SmartJitterTM Technology
    ► Reducing EMI Emissions of SMPS
    ► Eliminating Frequency-Jittering-Induced Output
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  • Ultra-Low Start-Up Current (< 3μA)
  • Accurate Over-Current Protection (OCP)
  • Programmable Line Compensation
  • Programmable Output Over-Voltage Protection
  • Programmable External Over-Temperature Protection
  • Programmable Bulk-Capacitor Brown-In/Brown-Out Protection
  • Driver Capability : 200mA/-300mA
  • High Noise Immunity
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Switching AC-DC Adapter<br />NB Adapter<br />TV/Monitor Standby Power<br />PC Peripherals
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Keyword 1

Keyword 2

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