TPS40132_15 Datasheet, PDF (28/42 Pages) Texas Instruments – TWO-PHASE, SYNCHRONOUS BUCK CONTROLLER WITH INTEGRATED MOSFET DRIVERS

TPS40132
SLUS776B – DECEMBER 2007 – REVISED JUNE 2011
EFFICIENCY
vs
LOAD CURRENT
100
90
80
70
60
50
40
30
20
10
0
05
V_IN
10.8 V
12.0 V
13.2 V
10 15 20 25 30 35 40
I_OUT - Load Current - A
Figure 11. Efficiency vs. Load
1.510
OUTPUT VOLTAGE
vs
LOAD CURRENT
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1.505 V_IN = 10.8 V
1.500
V_IN = 13.2 V
1.495
1.490
05
V_IN
10.8 V
12.0 V
13.2 V
10 15 20 25 30 35 40
I - Load Current - A
OUT
Figure 12. Load Regulation
V_OUT
(50 mV / div)
I_OUT
(10 A / div)
T - Time - 200 ms/div
Figure 13. 0 A to 15 A Load Step
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