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KT11P2JM Datasheet(PDF) 5 Page - Texas Instruments

Part No. KT11P2JM
Description  High-Integration, High-Efficiency Power Solution Using DC/DC Converters With DVFS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

KT11P2JM Datasheet(HTML) 5 Page - Texas Instruments

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List of Material
Proper sequencing is ensured in the design with the use of simple circuits involving the use of NPN
transistors as required. Core 1.2 V at 600 mA comes first ,which in turn is level-shifted to input voltage
using NPN transistors to enable the DCDC3_EN ; hence, static 1.2 V + VRTC at 251 mA comes up which
also enable the DCDC2_EN and sequentially static 1.8 V at 230 mA comes up. This 1.8-V output from
DCDC2 converter enable the LDO and hence at last static 3.3 V at 115 mA comes up.
(1)
Use three such LDOs to power up DVDDA, DVDDB, and DVDDC. (It can either be 1.8 V or 3.3 V.)
(2)
Rx = 0.499 M
Ω, Ry = 1 MΩ for Vout = 1.8 V
(3)
Rx = 1.8 M
Ω, Ry = 1 MΩ for Vout = 3.3 V
(4)
For proper sequencing of output, enable of the LDOs are fed either from 1.2-V output from DCDC3 converter
if DVDDX is 1.8 V or from 1.8-V output from DCDC2 converter if DVDDX is 3.3 V.
Figure 2. Optional circuit for DVDD_A, DVDD_B and DVDD_C
4
List of Material
Table 1. PMP4977 List of Material
Count
RefDes
Value
Description
Size
Part Number
MFR
Area
8
C1
10 mF
Capacitor, Ceramic, 6.3V, X5R, 10%
805
C2012X5R0J106K
TDK
10560
C2
10 mF
Capacitor, Ceramic, 6.3V, X5R, 10%
805
C2012X5R0J106K
TDK
10560
2
C3
2.2 F
Capacitor, Ceramic, 6.3V, X5R, 10%
603
C1608X5R0J225K
TDK
5650
C4
2.2 F
Capacitor, Ceramic, 6.3V, X5R, 10%
603
C1608X5R0J225K
TDK
5650
C5
10 F
Capacitor, Ceramic, 6.3V, X5R, 10%
805
C2012X5R0J106K
TDK
10560
C6
10 F
Capacitor, Ceramic, 6.3V, X5R, 10%
805
C2012X5R0J106K
TDK
10560
4
C7
1.0 F
Capacitor, Ceramic, 6.3V, X5R,10%
603
C1608X5R0J105K
TDK
5650
C8
1.0 F
Capacitor, Ceramic, 6.3V, X5R,10%
603
C1608X5R0J105K
TDK
5650
C9
10 F
Capacitor, Ceramic, 6.3V, X5R, 10%
805
C2012X5R0J106K
TDK
10560
C10
10 F
Capacitor, Ceramic, 6.3V, X5R, 10%
805
C2012X5R0J106K
TDK
10560
C11
1.0 F
Capacitor, Ceramic, 6.3V, X5R,10%
603
C1608X5R0J105K
TDK
5650
1
C12
1500 pF
Capacitor, Ceramic, 50V, X7R, 10%
603
C1608X7R1H152K
TDK
5650
2
C13
2.2 F
Capacitor, Ceramic, 6.3V, X5R,10%
603
C1608X5R0J225K
TDK
5650
C14
2.2 F
Capacitor, Ceramic, 6.3V, X5R,10%
603
C1608X5R0J225K
TDK
5650
C15
10 F
Capacitor, Ceramic, 6.3V, X5R, 10%
805
C2012X5R0J106K
TDK
10560
C16
10 F
Capacitor, Ceramic, 6.3V, X5R, 10%
805
C2012X5R0J106K
TDK
10560
C17
1.0 F
Capacitor, Ceramic, 6.3V, X5R,10%
603
C1608X5R0J105K
TDK
5650
3
J1
PTC36SAAN
Header, 2 pin, 100mil spacing, (36-pin strip)
0.100 x 2
PTC36SAAN
Sullins
23100
1
J2
PEC36SAAN
Header, Male 5-pin, 100mil spacing, (36-pin
0.100 inch x 5
PEC36SAAN
Sullins
60000
strip)
J3
PTC36SAAN
Header, 2 pin, 100mil spacing, (36-pin strip)
0.100 x 2
PTC36SAAN
Sullins
23100
1
J4
PTC36SAAN
Header, 4 pin, 100mil spacing, (36-pin strip)
0.100 x 4
PTC36SAAN
Sullins
45100
J5
PTC36SAAN
Header, 2 pin, 100mil spacing, (36-pin strip)
0.100 x 2
PTC36SAAN
Sullins
23100
1
J6
22-05-3041
Header, Friction Lock Ass'y, 4 pin Right
0.400 x 0.500
22-05-3041
Molex
227,900
Angle
2
L1
2.2 mH
Inductor, SMT, 1.72A, 59 m
0.157 x 0.157 inch
VLCF4020T-2R2N1R7
TDK
36.8
L2
2.2 mH
Inductor, SMT, 1.72A, 59 m
0.157 x 0.157 inch
VLCF4020T-2R2N1R7
TDK
36.8
5
SLVA340A – June 2009 – Revised May 2010
High-Integration, High-Efficiency Power Solution Using DC/DC Converters With
DVFS
Copyright © 2009–2010, Texas Instruments Incorporated


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