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RT3662AC Datasheet(PDF) 2 Page - Richtek Technology Corporation |
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RT3662AC Datasheet(HTML) 2 Page - Richtek Technology Corporation |
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2 / 37 page  RT3662AC Copyright © 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. www.richtek.com DS3662AC-00 March 2016 2 Ordering Information Package Type QW : WQFN-40L 5x5 (W-Type) RT3662AC Lead Plating System G : Green (Halogen Free and Pb Free) Note : Richtek products are : RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. Pin Configurations (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 31 32 33 34 35 36 37 38 39 40 41 GND BOOT_NB COMP_NB VIN SVT VDDIO TSEN_NB ISENN_NB FB_NB ISENP_NB EN UGATE2 RGND PGOOD ISEN1N ISEN1P VSEN ISEN2P COMP FB BOOT2 WQFN-40L 5x5 Functional Pin Description Pin No. Pin Name Pin Function 1 UGATE2 Upper Gate Driver Output of Phase 2 for VDD Controller. Connect this pin to the gate input of high side MOSFET. 2 BOOT2 Bootstrap Supply of VDD Controller for Phase 2 High Side MOSFET. This pin powers high side MOSFET driver. 3 PGOOD Power Good Indicator for the VDD and VDDNB Controller. This pin is an open drain output. 4 RGND Return Ground of VDD and VDDNB Controllers. This pin is the common negative input of output voltage differential remote sense of VDD and VDDNB controllers. 5 COMP Error Amplifier Output Pin of the VDD Controller. 6 FB Output Voltage Feedback Input of VDD Controller. This pin is the negative input of the error amplifier for the VDD controller. 7 ISEN2P Positive Current Sense Input of Phase 2 for VDD Controller. 8 VSEN VDD Controller Voltage Sense Input. This pin is connected to the terminal of VDD controller output voltage. 9 ISEN1P Positive Current Sense Input of Phase 1 for VDD Controller. 10 ISEN1N Common Negative Current Sense Input of Phase1 and Phase 2 for VDD Controller. 11 VRHOT_L Thermal Indicator. This pin is an open drain output. (Active low) |
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