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TPS652510 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
TPS652510 4.5-V TO 16-V INPUT, HIGH CURRENT, SYNCHRONOUS STEP DOWN THREE DC-DC CONVERTERS WITH INTEGRATED FET TI
Texas Instruments TI
TPS652510 Datasheet PDF : 31 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
TPS652510
www.ti.com
SLVSB30B – SEPTEMBER 2011 – REVISED AUGUST 2013
TYPICAL CHARACTERISTICS
Load Regulation: Buck1 @ 1.2V, 1% Resistor Feedback
1.225
I_buck2 = 2 A,
I_buck3 = 2 A
I_buck2 = 1 A,
I_buck3 = 1 A
1.22
Load Regulation: Buck2 @ 1.8V, 1% Resistor Feedback
1.825
I_buck2 = 2 A,
1.82
I_buck3 = 2 A
I_buck1 = 1 A,
I_buck3 = 1 A
1.215
I_buck2 = 0.25 A,
I_buck3 = 0.25 A
1.21
1.205
1.815
1.81
1.805
I_buck1 = 0.25 A,
I_buck3 = 0.25 A
1.2
0
0.5
1
1.5
2
2.5
3
I_BUCK1 - A
Figure 1.
Load Regulation: Buck3 @ 3.3V, 1% Resistor Feedback
3.385
1.8
0
0.2 0.4 0.6 0.8 1
1.2 1.4 1.6 1.8 2
I_BUCK2 - A
Figure 2.
Buck1 Temp Variation @ 1.2V, 1%Resistor
-40°C to 75°C, Buck1 = 3A, Buck2 = 2A, Buck3 = 2A
1.23
3.38
3.375
I_buck1 = 1 A,
I_buck2 = 1 A
I_buck1 = 2 A,
I_buck2 = 2 A
1.225
1.22
3.37
3.365
0
I_buck1 = 0.25 A,
I_buck2 = 0.25 A
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
I_BUCK3 - A
Figure 3.
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3
-40
Current Limit Variation 25°C,
RLIM1 = 100k, RLIM2&3 = 120k
buck2 = 0 A,
buck3 = 0 A
buck2 = 2 A,
buck3 = 2 A
-20
0
20
40
60
Temperature - °C
Figure 5.
1.215
1.21
-40
90
-20
0
20
40
60
Temperature - °C
Figure 4.
Buck1 1.2V Efficiency, Forced PWM
L = 4.7µH, 20m, fSW = 500KHz
80
VI = 12 V
70
VI = 15 V
60
VI = 4.5 V
50
40
30
20
0
0.5
1
1.5
2
2.5
3
Current - A
Figure 6.
Copyright © 2011–2013, Texas Instruments Incorporated
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