Datasheet

0
10
20
30
40
50
60
70
80
90
100
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Output Current (A)
Efficiency (%)
V
OUT
= 1.8 V
V
OUT
= 2.5 V
V
OUT
= 3.3 V
G005
EN (10 V/div)
V (500 mV/div)
O
PG (5 V/div)
VREG5 (5 V/div)
1.03
1.04
1.05
1.06
1.07
0 5 10 15 20
Input Voltage (V)
Output Voltage (V)
I
O
= 0 A
I
O
= 1 A
G005
Slew Rate (0.35A/µsec)
V (50 mV/div ac coupled)
O
I (2A/div)
OUT
Time Scale (100µsec/div)
TPS54525
SLVSB82A –MAY 2012–REVISED JULY 2013 www.ti.com
TYPICAL CHARACTERISTICS
V
IN
= 12 V, T
A
= 25 °C (unless otherwise noted)
1.05-V OUTPUT VOLTAGE
vs 1.05-V, 50-mA to 5.5-A LOAD
INPUT VOLTAGE TRANSIENT RESPONSE
Figure 5. Figure 6.
EFFICIENCY
vs
START-UP WAVE FORM OUTPUT CURRENT
Figure 7. Figure 8.
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