Datasheet

−1
−0.8
−0.6
−0.4
−0.2
0
0.2
0.4
0.6
0.8
1
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Output Current (A)
Output Voltage Deviation (%)
V
IN
= 3.3 V
V
IN
= 5 V
G003
−0.4
−0.3
−0.2
−0.1
0
0.1
0.2
0.3
0.4
3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
Output Voltage Deviation (%)
I
OUT
= 2.5 A
G004
V = 100 mV/div (ac coupled)
IN
Time = 500 ns/div
PH = 2 V/div
100 1000 10000 100000 1000000
−60
−50
−40
−30
−20
−10
0
10
20
30
40
50
60
−180
−150
−120
−90
−60
−30
0
30
60
90
120
150
180
Frequency (Hz)
Gain (dB)
Phase (°)
Gain
Phase
G005
V = 1 V/div
OUT
Time = 100 µs/div
EN = 2 V/div
V = 5 V/div
IN
PWRGD = 5 V/div
V = 20 mV/div (ac coupled)
OUT
Time = 500 ns/div
PH = 2 V/div
TPS54519
SLVSAT3A –SEPTEMBER 2011–REVISED DECEMBER 2013 www.ti.com
POWER DOWN VOUT, EN OUTPUT RIPPLE, 5 A
Figure 35. Figure 36.
INPUT RIPPLE, 5 A CLOSED LOOP RESPONSE, VIN (3.3 V), 4 A
Figure 37. Figure 38.
LOAD REGULATION REGULATION
vs vs
LOAD CURRENT INPUT VOLTAGE
Figure 39. Figure 40.
26 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated
Product Folder Links: TPS54519