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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
SLVSB30B – SEPTEMBER 2011 – REVISED AUGUST 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Buck1 1.2V Efficiency, Forced PWM and PFM
L = 4.7µH, 20m, fSW = 500KHz
90
PFM
Buck2 1.8V Efficiency, Forced PWM
L = 4.7µH, 20m, fSW = 500KHz
90
80
80
70
VI = 12 V
60
PWM
50
70
VI = 15 V
60
VI = 4.5 V
40
30
20
10
0
0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400
Current - mA
Figure 7.
50
40
30
20
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Current - A
Figure 8.
Buck2 1.8V Efficiency, Forced PWM and PFM
L = 4.7µH, 20m, fSW = 500KHz
90
80
70
PFM
60
50
PWM
40
30
20
10
0
0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400
Current - mA
Figure 9.
Buck3 3.3V Efficiency, Forced PWM
L = 4.7µH, 20m, fSW = 500KHz
90
80
VI = 4.5 V
VI = 15 V
70
VI = 12 V
60
50
40
30
20
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Current - A
Figure 10.
Buck3 3.3V Efficiency, Forced PWM and PFM
L = 4.7µH, 20m, fSW = 500KHz
90
80
70
60
PFM
50
40
PWM
30
20
10
0
0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400
Current - mA
Figure 11.
Power-Up All Converters, No Load VIN = 12V (Green)
Figure 12.
10
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