RT9401D

® RT9401D 5-Bit VID Reference Generator General Description The RT9401D is a digital to analog converter which generate a reference voltage for AMD Mars 5-bit VID code. The IC is proposed to pair with a series of Richtek's general purpose PWM controllers dedicated for the desktop microprocessor core power voltage regulation. The reference voltage is within 1% high accuracy. The RT9401D is available in SOT-23-8 package. Ordering Information RT9401D Package Type V8 : SOT-23-8 Note : Lead Plating System G : Green (Halogen Free and Pb Free) 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. VID3 VID4 GND VID0 Features z Support 5-Bit DAC Voltage Conforming to AMD Mars VID Table z 1% High Accuracy of VREF z Small Footprint Package of SOT-23-8 z RoHS Compliant and Halogen Free Applications z Desktop/Motherboard Microprocessor Core Power Regulation z High Accuracy and Programmable Voltage Power Regulation Pin Configurations (TOP VIEW) 87 6 5 2 34 VID2 VID1 VDA VDD Marking Information 00=DNN 00= : Product Code DNN : Date Code SOT-23-8 Simplified Application Circuit 5-bit VID Code RT9401D VID0 VID1 VDA VID2 VID3 VID4 GND VDD CL Copyright ©2012 Richtek Technology Corporation. All rights reserved. DS9401D-00 December 2012 is a registered trademark of Richtek Technology Corporation. www.richtek.com 1 RT9401D Functional Pin Description Pin...