5Bit Reference Generator RT9401A/B digital analog converters whic
|
|
|
Top Searches for this datasheet
RT9401A/B
5Bit Reference Generator
RT9401A/B digital analog converters which generate reference voltage Intel VR10.x/AMD 5-bit code respectively. parts proposed pair with series RichTek' general purpose controllers dedicated desktop microprocessor core power voltage regulation. reference voltage within high accuracy. These parts small footprint package SOT-23-8.
Features
RT9401A Support 5bit Voltage Conforming Intel VRD10.x Table RT9401B Support 5bit Voltage Conforming Table High Accuracy VREF Small Footprint Package SOT-23-8 RoHS Compliant 100% Lead (Pb)-Free
Applications Ordering Information
RT9401A/B Package Type SOT-23-8
Operating Temperature Range Free with Commercial Standard Green (Halogen Free with Commercial Standard) VR10.X
Note RichTek Pb-free Green products RoHS compliant compatible with current requirements IPC/JEDEC J-STD-020.
VID2 VID1
Desktop/Motherboard Microprocessor Core Power Regulation High Accuracy Programmable Voltage Power Regulation
Configurations
(TOP VIEW)
VID3 VID4 VID0
Suitable SnPb Pb-free soldering processes. 100%matte (Sn) plating.
SOT-23-8
Marking Information
marking information, contact sales representative directly through RichTek distributor located your area, otherwise visit website detail.
Note There pin1 indicator mark SOT-23-8 type, will lower left when reading mark from left right.
Typical Application Circuit
RT9401A/B VID2 VID1 VID3 VID4 VID0
DS9401A/B-06 March 2007
www.richtek.com
RT9401A/B
Function Block Diagram
VID4 VID3 VID2 VID1 VID0 Input
VREF
Functional Description
Number Name Function VID2 VID1 VID0 VID4 VID3 Voltage Identification Inputs. Voltage Identification Inputs. Digital Analog Voltage Output. Power Input Pin. Voltage Identification Inputs. Ground. Voltage Identification Inputs. Voltage Identification Inputs.
www.richtek.com
DS9401A/B-06 March 2007
RT9401A/B
Absolute Maximum Ratings
(Note Supply Input Voltage, Power Dissipation, 25°C SOT-23-8 0.4W Package Thermal Resistance (Note SOT-23-8, 250°C/W Lead Temperature (Soldering, sec.) 260°C Storage Temperature Range -65°C 150°C Susceptibility (Note (Human Body Mode) (Machine Mode) 200V
Recommended Operating Conditions
(Note
Supply Input Voltage, ±10% Junction Temperature Range -40°C 125°C Ambient Temperature Range -40°C 85°C
Electrical Characteristics
(VDD 25°C, unless otherwise specified)
Parameter Supply Current Nominal Supply Current Reference Output Voltage Program Output Voltage Accuracy VID(4:0) Input VID(4:0) Input High VID[4:0] Internal Pull-High Current Source Capability VID[4:0] Internal Pull-High Voltage Output Buffer Gain Bandwidth Slew Rate Impedance
Symbol
Test Conditions
Units
open
Table Table -1.05 When select When select Intel -2.4 -2.5
Capacitor Load Only ROUT CL=1nF CL=0.1uF
1.64
-110
mV/s
DS9401A/B-06 March 2007
www.richtek.com
RT9401A/B
Note Stresses listed above "Absolute Maximum Ratings" cause permanent damage device. These stress ratings. Functional operation device these other conditions beyond those indicated operational sections specifications implied. Exposure absolute maximum rating conditions extended periods remain possibility affect device reliability. Note Devices sensitive. Handling precaution recommended. Note device guaranteed function outside operating conditions. Note measured natural convection 25°C effective thermal conductivity test board JEDEC 51-3 thermal measurement standard.
www.richtek.com
DS9401A/B-06 March 2007
RT9401A/B
Table Output Voltage Program
Name VID4 VID3 VID2 VID1 VID0 0.850V 0.875V 0.900V 0.925V 0.950V 0.975V 1.000V 1.025V 1.050V 1.075V 1.100V 1.125V 1.150V 1.175V 1.200V 1.225V 1.250V 1.275V 1.300V 1.325V 1.350V 1.375V 1.400V 1.425V 1.450V 1.475V 1.500V 1.525V 1.550V 1.575V 1.600V Nominal Output Voltage
Note: Connected Open
DS9401A/B-06 March 2007
www.richtek.com
RT9401A/B
Table Output Voltage Program (K8)
VID4 VID3 VID2 VID1 VID0 Nominal Output Voltage 1.550 1.525 1.500 1.475 1.450 1.425 1.400 1.375 1.350 1.325 1.200 1.275 1.250 1.225 1.200 1.175 1.150 1.125 1.100 1.075 1.050 1.025 1.000 0.975 0.950 0.925 0.900 0.875 0.850 0.825 0.800 Shutdown
Note: Connected Open
www.richtek.com
DS9401A/B-06 March 2007
RT9401A/B
Typical Operating Characteristics
VVDA Temperature
1.196 1.195 1.194 1.193 1.192 1.191 1.19 1.189
Error Between VVID VVDA
VVDA
0.85
0.975
1.225
1.35
1.475
Temperature (°C)
VVID
Falling
VVDA 1.3V 1.0625V Load
Rising
VVDA 1.3V 1.0625V Load (100mV/Div)
(100mV/Div)
VID0 (1V/Div)
VID0 (1V/Div)
Time (25s/Div)
Time (25s/Div)
DS9401A/B-06 March 2007
www.richtek.com
RT9401A/B
Outline Dimension
Symbol
Dimensions Millimeters 1.000 0.000 1.500 0.220 2.600 2.800 0.585 0.100 0.300 1.450 0.150 1.700 0.500 3.000 3.000 0.715 0.220 0.600
Dimensions Inches 0.039 0.000 0.059 0.009 0.102 0.110 0.023 0.004 0.012 0.057 0.006 0.067 0.020 0.118 0.118 0.028 0.009 0.024
SOT-23-8 Surface Mount Package
Richtek Technology Corporation
Headquarter Taiyuen Street, Chupei City Hsinchu, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611
Richtek Technology Corporation
Taipei Office (Marketing) 137, Lane 235, Paochiao Road, Hsintien City Taipei County, Taiwan, R.O.C. Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek.com
www.richtek.com
DS9401A/B-06 March 2007
Other recent searches
TW8816 - TW8816 TW8816 Datasheet
TC7PA19FU - TC7PA19FU TC7PA19FU Datasheet
NNCD5 - NNCD5 NNCD5 Datasheet
NNCD6 - NNCD6 NNCD6 Datasheet
FPT-240P-M02 - FPT-240P-M02 FPT-240P-M02 Datasheet
FCT541 - FCT541 FCT541 Datasheet
BA6297AFP - BA6297AFP BA6297AFP Datasheet
Privacy Policy | Disclaimer
© 2012 Datasheet Archive
