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TPS51222 Datasheet(PDF) 11 Page - Texas Instruments

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Part # TPS51222
Description  Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS51222 Datasheet(HTML) 11 Page - Texas Instruments

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3.20
3.25
3.3
3.35
3.40
0
2
4
6
8
10
V
I = 12 V
I
REG3 – 3.3-V Linear Regulator Output Current – mA
0
20
40
60
80
100
4.90
4.95
5.00
5.05
5.10
I
REG5 – 5-V Linear Regulator Output Current – mA
V
I = 12 V
270
280
300
310
320
330
290
R
RF = 330 kW
-50
0
50
100
150
T
J – Junction Temperature – °C
0
0.05
0.10
0.15
0.20
0.25
-50
0
50
100
150
T
J – Junction Temperature – °C
TPS51222
www.ti.com............................................................................................................................................................................................... SLUS908 – JANUARY 2009
TYPICAL CHARACTERISTICS (continued)
VREG3 OUTPUT VOLTAGE
VREG5 OUTPUT VOLTAGE
vs
vs
OUTPUT CURRENT
OUTPUT CURRENT
Figure 9.
Figure 10.
SWITCHING FREQUENCY
FORWARD VOLTAGE OF BOOST SW
vs
vs
JUNCTION TEMPERATURE
JUNCTION TEMPERATURE
Figure 11.
Figure 12.
Copyright © 2009, Texas Instruments Incorporated
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