5-Bit VID Reference Generator
®
RT9401D
5-Bit VID Reference Generator
General Description
The RT9401D is a digital to analog converter which generat...
Description
®
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...
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