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RT2702 Datasheet(PDF) 1 Page - Richtek Technology Corporation |
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RT2702 Datasheet(HTML) 1 Page - Richtek Technology Corporation |
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1 / 20 page  RT2702 ® DS2702-00 October 2016 www.richtek.com 1 © Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Step-Down DC-DC Controller with Remote Sense Features 4.5V to 19V Input Voltage Range Adjustable Output Range, 0.6V Reference with 1% Accuracy Over-Temperature Protection FCOTTM (Flexible Constant On Time) Control Integrated 5V LDO@100mA for DrMOS module Support Pre-Biased Output Programmable Soft-Start Soft-Off through VOUT Discharge Programmable Switching Frequency Programmable Over Current Limit Power Good Indication OVP, UVP, UVLO Protection Applications High Current Distributed Power Systems Datacom and Telecom Systems Industrial Power Supplies General Description The RT2702 is a high-efficiency and high-current synchronous buck controller designed to drive a DrMOS module. A COT (Constant-On-Time) PWM controller and PWM signal for DrMOS are integrated so that the external circuit is easily designed and the component count is reduced. The RT2702 adopts FCOT control technology that responds instantly to input voltage change. Besides, the RT2702 includes a 5V (VDRV) linear regulator, which can provide 5V voltage and supply up to 100mAfor DrMOS. The RT2702 supports two modes transition function with various operating states, which include audio skipping mode (ASM) and forced-CCM mode (FCCM). Other features include power good indication, external soft- start setting, soft-off discharge function, precise DCR sense, enable/disable control, over-voltage protection (OVP), under-voltage protection (UVP), current Limit, thermal shutdown into the WQFN-16L 3x3 package. 8H=YM DNN 8H= : Product Code YMDNN : Date Code Marking Information Ordering Information Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. Package Type QW : WQFN-16L 3x3 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free) RT2702 Pin Configuration (TOP VIEW) WQFN-16L 3x3 THWN DISB MODE PWM EN POK SS ILIM 12 11 10 9 13 14 15 16 1 2 3 4 8 7 6 5 GND 17 |
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