Datasheet

60
65
70
75
80
85
90
95
100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Efficiency (%)
I
O
- Output Current (A)
18in
Series1
Series3
Series6
Series8
C024
V
IN
= 18 V
V
IN
= 24 V
V
IN
= 36 V
V
IN
= 48 V
V
IN
= 60 V
±180
±150
±120
±90
±60
±30
0
30
60
90
120
150
180
±60
±50
±40
±30
±20
±10
0
10
20
30
40
50
60
10 100 1k 10k 100k 1M
Phase ()
Gain (dB)
Frequency (Hz)
Gain
Phase
C001
V
IN
= 12 V
V
OUT
= 5 V
I
OUT
= 5 A
60
65
70
75
80
85
90
95
100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Efficiency (%)
I
O
- Output Current (A)
6V
12V
24V
36V
48V
60V
C024
V
IN
= 12 V
V
IN
= 24 V
V
IN
= 36 V
V
IN
= 48 V
V
IN
= 60 V
V
IN
= 6 V
0
10
20
30
40
50
60
70
80
90
100
0.00 0.01 0.10 1.00
Efficiency (%)
I
O
- Output Current (A)
6V
12V
24v
36v
48V
60V
C024
V
IN
= 12 V
V
IN
= 24 V
V
IN
= 36 V
V
IN
= 48 V
V
IN
= 60 V
V
IN
= 6 V
0.001
60
65
70
75
80
85
90
95
100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Efficiency (%)
I
O
- Output Current (A)
Series4
12V
24V
36V
48V
60V
C024
V
IN
= 12 V
V
IN
= 24 V
V
IN
= 36 V
V
IN
= 48 V
V
IN
= 60 V
V
IN
= 7 V
0
10
20
30
40
50
60
70
80
90
100
0.00 0.01 0.10 1.00
Efficiency (%)
I
O
- Output Current (A)
7V
12V
24V
36V
48V
60V
C024
V
IN
= 12 V
V
IN
= 24 V
V
IN
= 36 V
V
IN
= 48 V
V
IN
= 60 V
V
IN
= 7 V
0.001
TPS54560
SLVSBN0A –MARCH 2013–REVISED MARCH 2014 www.ti.com
V
OUT
= 5 V ƒsw = 400 kHz
V
OUT
= 5 V ƒsw = 400 kHz
Figure 51. Light Load Efficiency
Figure 50. Efficiency vs Load Current
V
OUT
= 3.3 V ƒsw = 400 kHz V
OUT
= 3.3 V ƒsw = 400 kHz
Figure 52. Efficiency vs Load Current Figure 53. Light Load Efficiency
V
IN
= 12 V V
OUT
= 5 V I
OUT
= 5 A
V = 12 V
Figure 55. Overall Loop Frequency Response
Figure 54. Efficiency vs Output Current
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