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PDF RT9401B Data sheet ( Hoja de datos )
| Número de pieza | RT9401B | |
| Descripción | 5Bit VID Reference Generator | |
| Fabricantes | Richtek Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RT9401B (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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RT9401A/B
5Bit VID Reference Generator
General Description
Features
The RT9401A/B are digital to analog converters which
generate a reference voltage for Intel VR10.x/AMD K8
5-bit VID code respectively. The parts are 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. These parts use a small footprint
z RT9401A Support 5bit DAC Voltage Conforming to
Intel VRD10.x VID Table
z RT9401B Support 5bit DAC Voltage Conforming to
AMD K8 VID Table
z 1% High Accuracy of VREF
z Small Footprint Package of SOT-23-8
z RoHS Compliant and 100% Lead (Pb)-Free
package of SOT-23-8.
Ordering Information
Applications
z Desktop/Motherboard Microprocessor Core Power
RT9401A/B
Package Type
V8 : SOT-23-8
Regulation
z High Accuracy and Programmable Voltage Power
Regulation
Operating Temperature Range
P : Pb Free with Commercial Standard
G : Green (Halogen Free with Commer-
cial Standard)
K8
VR10.X
Pin Configurations
(TOP VIEW)
Note :
87 6 5
Richtek Pb-free and Green products are :
` RoHS compliant and compatible with the current require-
2 34
ments of IPC/JEDEC J-STD-020.
` Suitable for use in SnPb or Pb-free soldering processes.
SOT-23-8
Marking Information
For marking information, contact our sales representative
directly or through a Richtek distributor located in your
area, otherwise visit our website for detail.
Typical Application Circuit
RT9401A/B
1 VID2
VID3 8
2 VID1
VID4 7
3
VDA
5V 4 VDD
CL
GND 6
VID0 5
DS9401A/B-07 June 2008
www.richtek.com
1
1 page  
RT9401A/B
Table 1. Output Voltage Program (VR 10)
VID4
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
VID3
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
Pin Name
VID2
1
VID1
1
00
00
11
11
10
10
01
01
00
00
11
10
10
01
01
00
00
11
11
10
10
01
01
00
00
11
11
10
10
01
01
VID0
1
1
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Nominal Output Voltage VDA
OFF
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
Note: (1) 0 : Connected to GND
(2) 1 : Open
DS9401A/B-07 June 2008
www.richtek.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet RT9401B.PDF ] | |
Hoja de datos destacado
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