Datasheet

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PERFORMANCE GRAPHS
f - Frequency - Hz
-20
-40
100 1 k 10 k 100 k 1 M
Gain - dB
0
20
60
40
-60
-60
-120
0
60
180
120
-180
Phase - Degrees
Gain
Phase
-0.5
-0.4
-0.3
-0.2
-0.1
0.1
0.2
0.3
0.4
0.5
0 2 4 6 8 10 12 14 16
Output Voltage Variation - %
0
2.2 V
2.5 V
3.3 V
4.0 V
I
O
- Output Current - A
15
25
35
45
55
65
75
85
95
105
115
125
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Safe Operating Area
V
O
= 1.5 V,
PVIN = V
I
= 3.3 V,
T
J
= 125°C
T
A
− Free-Air Temperature − C
°
I
O
− Output Current − A
Note: Figure 25 applies to the application circuit
(Figure 13) installed on a 3 inch x 3 inch x 0.062 inch
four-layer PCB.
Time = 500 nsec/div
PVIN(RIPPLE) = 100 mV/div (ac coupled)
I
O
= 14 A V
(PH)
= 1 V/div
-0.3
-0.25
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0.25
0.3
2
2.5
3
3.5
4
PVIN - V
Output Voltage Deviation - %
I
O
= 0A
I
O
= 7A
I
O
= 14A
50
55
60
65
70
75
80
85
90
95
100
0 2 4 6 8 10 12 14 16
Efficiency - %
2.2 V
2.5 V
3.3 V
4.0 V
I
O
- Output Current - A
TPS54010
SLVS509B – MAY 2004 – REVISED JUNE 2005
The performance data for Figure 25 through Figure 34 are for the circuit in Figure 13 . Conditions are PVIN = 2.5
V, VIN = 3.3 V, V
O
= 1.5 V, f
s
= 700 kHz, and I
O
= 7 A, T
A
= 25°C, unless otherwise specified.
FREE-AIR TEMPERATURE MEASURED LOOP RESPONSE LOAD REGULATION
vs vs vs
MAXIMUM OUTPUT CURRENT FREQUENCY OUTPUT CURRENT
Figure 25. Figure 26. Figure 27.
LINE REGULATION EFFICIENCY
vs vs
PVIN OUTPUT CURRENT INPUT RIPPLE VOLTAGE
Figure 28. Figure 29. Figure 30.
18