Datasheet

(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 Voltage - V
OUT
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 Voltage - V
OUT
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
TPS53126EVM-600
Output Ripple
Test condition: Vin 12 V; Vo 1 1.05; 4A; 350 kHz
Performance Data and Typical Characteristic Curves www.ti.com
Figure 7. Output Voltage vs Load (V
IN
= 8 V–22 V, V
OUT2
= 1.8 V, I
OUT2
= 0 A–4 A)
7.3 Output Voltage Ripple
Figure 8. Output Voltage Ripple (V
IN
= 12 V, V
OUT1
= 1.05 V, I
OUT1
= 4 A, F
SW
= 350 kHz)
12
TPS53126EVM-600 SLVU435–February 2011
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