Texas Instruments TPS53126EVM-600, User Manual

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7.2 Line and Load Regulation
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
I - Load Current - A
LOAD
1.07
1.065
1.06
1.055
1.05
1.045
1.04
1.035
1.03
V
- Output V
oltage - V
O
U
T
1.07
1.065
1.06
1.055
1.05
1.045
1.04
1.035
1.03
V
- Output V
oltage - V
O
U
T
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
I - Load Current - A
LOAD
V = 8 V
IN
V = 12 V
IN
V = 22 V
IN
V = 12 V
IN
V = 8 V
IN
V = 22 V
IN
(a) F = 350 kHz
SW
(a) F = 700 kHz
SW
Figure 7-3. Output Voltage vs Load (V
IN
= 8 V–22 V, V
OUT1
= 1.05 V, I
OUT1
= 0 A–4 A)
(a) F = 350 kHz
SW
1.84
1.83
1.82
1.81
1.8
1.79
1.78
1.77
1.76
V
- Output V
oltage - V
O
U
T
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
I - Load Current - A
LOAD
V = 22 V
IN
V = 8 V
IN
V = 12 V
IN
1.84
1.83
1.82
1.81
1.8
1.79
1.78
1.77
1.76
V
- Output V
oltage - V
O
U
T
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
I - Load Current - A
LOAD
V = 8 V
IN
V = 12 V
IN
V = 22 V
IN
(b) F = 700 kHz
SW
Figure 7-4. Output Voltage vs Load (V
IN
= 8 V–22 V, V
OUT2
= 1.8 V, I
OUT2
= 0 A–4 A)
Performance Data and Typical Characteristic Curves www.ti.com
12 TPS53126 Buck Controller Evaluation Module User's Guide SLVU435A – FEBRUARY 2011 – REVISED JANUARY 2022
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