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The RTQ2836 is a high-performance, synchronous step-down converter that can deliver up to 6A output current with an input supply voltage range of 4V to 18V. The device integrates low RDS(ON) power MOSFETs, an accurate 0.5V reference, and an integrated diode for the bootstrap circuit to offer a very compact solution.The RTQ2836 adopts internally-compensated fast current-mode (FCM) control architecture that provides fast transient response and further reduces the external-component count. The FCM operates at a truly fixed switching frequency over the line, load, and output voltage range and makes the EMI filter design easier.The device offers a variety of functions for more design flexibility. The selectable switching frequency allows the RTQ2836 to meet various application requirements. An independent enable control input pin and a power-good indicator are provided for easy sequence control. The built-in spread-spectrum frequency modulation further helps system designers with better EMI management.Full protection features are also integrated in the device for increased reliability, including input UVLO, cycle-by-cycle current limit, OVP, UVP, OTP, and selectable soft-start time to control the inrush current during the startup. The RTQ2836 is available in a thermally enhanced WQFN-14L 3x2.5 (FC) package. The recommended junction temperature range is from -40°C to 150°C.
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<div class="spec-list"><ul class="lv1"><li>4V to 18V Input Voltage Range </li><li>0.5V to 7V Output Voltage </li><li>Internally-Compensated FCM control </li><li>Integrated 25mΩ/6.5mΩ MOSFETs </li><li>0.5V ±0.5% Voltage Reference Accuracy Over Full Temperature Range </li><li>Synchronizable to an External Clock </li><li>Selectable Spread Spectrum Reducing EMI Emission </li><li>Adjustable Switching Frequency (500kHz/750kHz/1MHz/1.5MHz/2.2MHz) </li><li>Selectable Current Limit Level </li><li>Selectable Soft-Start Time (0.5ms/1ms/2ms/4ms) </li><li>Monotonic Start-Up into Pre-Biased Outputs </li><li>Power-Good Indicator </li><li>Output Overvoltage, Output Undervoltage, Input Undervoltage, Overcurrent, and Over-Temperature Protection </li><li>-40°C to 150°C Operating Junction Temperature </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Wireless Infrastructure and Wired Communication Equipment </li><li>Optical and Fiber Network Equipment </li><li>Testing and Measurement Instruments </li><li>Medical and Healthcare Equipment </li></ul></div>
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