Datasheet

0
100
200
300
400
500
600
700
800
900
0.01 0.1 1 10
Output Current (A)
Switching Frequency (kHz)
V
OUT
= 1.05 V
V
OUT
= 1.8 V
V
OUT
= 3.3 V
G007
V = 1.05 V
O
V (10 mV/div ac coupled)
O
SW (5 V/div)
0
10
20
30
40
50
60
70
80
90
100
0.001 0.01 0.1 1 10
Output Current (A)
Efficiency (%)
V
OUT
= 1.8 V
V
OUT
= 2.5 V
V
OUT
= 3.3 V
G001
400
500
600
700
800
0 5 10 15 20
Input Voltage (V)
Switching Frequency (kHz)
V
OUT
= 1.05 V
V
OUT
= 1.8 V
V
OUT
= 3.3 V
G004
TPS54526
www.ti.com SLVSB84B –MAY 2012–REVISED JANUARY 2014
TYPICAL CHARACTERISTICS
V
IN
= 12 V, T
A
= 25 ° C (unless otherwise noted)
LIGHT LOAD EFFICIENCY SWITCHING FREQUENCY
vs vs
OUTPUT CURRENT INPUT VOLTAGE (IO=1A)
Figure 9. Figure 10.
WITCHING FREQUENCY
vs
OUTPUT CURRENT VOLTAGE RIPPLE AT OUTPUT (I
O
=5.5A)
Figure 11. Figure 12.
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