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
G000
EN (10 V/div)
V (500 mV/div)
O
PG (5 V/div)
VREG5 (5 V/div)
1.00
1.01
1.02
1.03
1.04
1.05
1.06
1.07
1.08
1.09
1.10
0 5 10 15 20
Input Voltage (V)
Output Voltage (V)
I
O
= 10 mA
I
O
= 1 A
G007
Slew Rate (0.35A/µsec)
V (50 mV/div ac coupled)
O
I (2A/div)
OUT
Time Scale (100µsec/div)
TPS54526
SLVSB84B –MAY 2012–REVISED JANUARY 2014 www.ti.com
TYPICAL CHARACTERISTICS
V
IN
= 12 V, T
A
= 25 ° C (unless otherwise noted)
1.05V OUTPUT VOLTAGE
vs
INPUT VOLTAGE 1.05 V 50 mA to 5.5 A LOAD TRANSIENT RESPONSE
Figure 5. Figure 6.
EFFICIENCY
vs
STARTUP WAVEFORM OUTPUT CURRENT
Figure 7. Figure 8.
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