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The R7711 is a current mode PWM controller which includes primary side voltage feedback technology. It controls the output voltage and current accurately without shunt regulator and opto-coupler on secondary side to reduce the part count and save costs. The R7711 is designed especially for low power applications, such as chargers for cell phones, PDAs, and other mobile products. Complete protections are provided, such as output Under- Voltage Protection, output Over-Voltage Protection, VDD Over-Voltage Protection, Over-Temperature Protection, and Secondary Rectifier Short-circuit Protection. The ultra low start-up current and operating current of the R7711 achieves low power consumption in standby mode. The R7711 supports burst switching green mode operation to meet CEC regulations and Energy-Star requirements.</p>
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<div class="spec-list"><ul class="lv1"><li>Programmable Primary-Side CC/CV Regulation </li><li>Low No Load Input Power (<30mW at 230V<sub>AC</sub>) </li><li>Burst Switching Green Mode PWM Operation </li><li>Low Start-up Current (<10mA) </li><li>Easy EMI Solution <ul class="lv2"> <li></li><li>Built-in Jittering Frequency </li><li>Built-in Soft Gate Driver </li></ul> </li><li>Programmable Cable Drop Compensation </li><li>Adjustable Propagation Delay Compensation </li><li>VDD Over-Voltage Protection (VDDOVP) </li><li>Output Over-Voltage Protection (OVP) </li><li>Output Under-Voltage Protection (UVP) </li><li>Secondary Rectifier Short-Circuit Protection (SRSP) </li><li>Internal Over-Temperature Protection (OTP) </li><li>RoHS Compliant and Halogen Free </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Switching AC/DC Adaptor and Battery Charger </li><li>DVD Open Frame Power Supply </li><li>STB Power </li><li>Cell Phone Charger </li><li>Networking Power Supply </li></ul></div>
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