Datasheet

0
10
20
30
40
50
60
70
80
100
0 0.5 1.0 1.5 2.0
I - Output Current - A
O
Efficiency - %
2.5 3.0
90
VIN=12V
VOUT=3.3V
fsw=300kHz
Vin = 50 mV / div (ac coupled)
PH = 5 V / div
Time = 2 usec / div
Vout = 20 mV / div (ac coupled)
PH = 5 V / div
Time = 10 usec / div
Vin = 200 mV / div (ac coupled)
PH = 5 V / div
Time = 2 usec / div
Vout = 20 mV / div (ac coupled)
PH = 5 V / div
Time = 2 usec / div
Vout = 20 mV / div (ac coupled)
PH = 5 V / div
Time = 2 usec / div
TPS54240
SLVSAA6A –APRIL 2010–REVISED DECEMBER 2012 www.ti.com
Figure 52. Output Ripple CCM Figure 53. Output Ripple, DCM
Figure 54. Output Ripple, PSM Figure 55. Input Ripple CCM
Figure 56. Input Ripple DCM Figure 57. Efficiency vs Load Current
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