Datasheet

0 1 2 3 4 5
I - Load Current - A
LOAD
V = 12 V
I
V = 22 V
I
V = 8 V
I
50
55
60
65
70
75
80
85
90
95
h - Efficiency - %
V = 8 V-22 V,
V = 1.05 V,
I = 0 A-4 A
I
OUT1
OUT1
0 1 2 3 4 5
I - Load Current - A
LOAD
50
55
60
65
70
75
80
85
90
95
h - Efficiency - %
V = 8 V
I
V = 12 V
I
V = 22 V
I
V = 8 V-22 V,
V = 1.8 V,
I = 0 A-4 A
I
OUT2
OUT2
1.795
1.8
1.805
1.81
1.815
1.82
1.825
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
V = 8 V
I
V = 12 V
I
V = 22 V
I
V = 8 V-22 V,
V = 1.8 V,
I = 0 A-4 A
I
OUT2
OUT2
I - Load Current - A
LOAD
V - Output Voltage - V
O
1.048
1.05
1.052
1.054
1.056
1.058
1.06
1.062
0 1 2 3 4 5
I - Load Current - A
LOAD
V = 8 V
I
V = 12 V
I
V = 22 V
I
V = 8 V-22 V,
V = 1.05 V,
I = 0 A-4 A
I
OUT1
OUT1
V - Output Voltage - V
O
Performance Data and Typical Characteristic Curves www.ti.com
7.1 Efficiency
Figure 4. Efficiency vs Load Figure 5. Efficiency vs Load
7.2 Line and Load Regulation
Figure 6. Output Voltage vs Load Figure 7. Output Voltage vs Load
10
TPS53128EVM-620 SLVU433–February 2011
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