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RT3601EAGQW Datasheet(PDF) 2 Page - Richtek Technology Corporation |
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RT3601EAGQW Datasheet(HTML) 2 Page - Richtek Technology Corporation |
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2 / 40 page  2 RT3601EA www.richtek.com DS3601EA-02 June 2017 © Copyright 2017 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Functional Pin Description 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. Pin Configuration (TOP VIEW) WQFN-28L 4x4 Marking Information Package Type QW : WQFN-28L 4x4 (W-Type) RT3601EA Lead Plating System G : Green (Halogen Free and Pb Free) Pin No Pin Name Pin Function 1 VCC Controller power supply. Connect this pin to 5V and place a decoupling capacitor 2.2 F at least. The decoupling capacitor is as close PWM controller as possible. 2 EN VR enable control input. 3 VR_HOT Thermal monitor output, this pin is active low. 4 VDIO VR and CPU data transmission interface. 5 ALERT SVID alert. (Active low) 6 VCLK Synchronous clock from the CPU. 7 VR_READY VR ready indicator. 8 BOOT Bootstrap supply for high-side gate MOSFET driver. 9 UGATE High-side driver output. Connect the pin to the gate of high-side MOSFET. 10 PHASE Switch node of high-side driver. Connect the pin to high-side MOSFET source together with the low-side MOSFET drain and inductor. 11 LGATE Low-side driver output. This pin drives the gate of low-side MOSFET. 12 PVCC Driver power supply input. Connect this pin to GND by a minimum 2.2 F ceramic Capacitor. 13 VIN VIN input pin. Connect a low pass filter to this pin to set on-time. 14 PWM PWM outputs. 15 DRVEN External driver enable control. Connecting to driver enable pin. 16 TSEN Thermal sense input. Platform can use this to set BOOT voltage and DVID threshold. 17 VREF Fixed 0.6V output reference voltage. This voltage is only used to offset the output voltage of IMON pin. Between this pin and GND must be placed a exact 0.47 F capacitor and 3.9 resistor. 3H=YM DNN 3H= : Product Code YMDNN : Date Code TSEN VREF IMON ISENN PSYS ISENP VCLK ALERT VDIO VCC VR_HOT EN VR_READY DRVEN 29 1 2 3 4 5 6 7 89 10 23 28 27 26 25 24 17 21 20 19 18 16 15 GND 11 12 13 14 22 |
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