Datasheet

0
10
20
40
50
60
70
80
90
100
0 0.02 0.04 0.06 0.08
I -OutputCurrent- A
O
Efficiency-%
0.10
30
V =5.0V
OUT
Vin=12V
Vin=24V
Vin=34V
Vin=42V
Vin=15V
100
1-10
3
-60
-40
0
20
40
60
-150
-120
-60
0
-30
90
150
f-Frequency-Hz
Gain-dB
Phase-
o
1-10
4
1-10
5
1-10
6
-20
Phase
Gain
180
120
60
-90
30
-180
0
10
20
30
40
50
60
70
80
90
0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40
I -OutputCurrent- A
O
Efficiency-%
0.45 0.50
100
V =24V
IN
V =5.0V
OUT
V =42
IN
V =12V
IN
V =34V
IN
V =15V
IN
TPS57040-Q1
www.ti.com SLVSAP4C –DECEMBER 2010–REVISED OCTOBER 2012
Figure 55. Output Ripple, PSM Figure 56. Input Ripple CCM
Figure 57. Input Ripple DCM Figure 58. Efficiency vs Load Current
Figure 59. Light Load Efficiency Figure 60. Overall Loop Frequency Response
Copyright © 2010–2012, Texas Instruments Incorporated Submit Documentation Feedback 37
Product Folder Links: TPS57040-Q1