Datasheet

0.980
0.985
0.990
0.995
1.000
1.005
1.010
1.015
1.020
0 2 4 6 8 10
1.00−V Output Current (A)
VSNS−GSNS − 1.00−V Output Voltage (V)
R
MODE
= 1 kΩ
V
IN
= 12 V
G001
0
10
20
30
40
50
60
70
80
90
100
0.001 0.01 0.1 1 10 100
1.05−V Output Current (A)
Efficiency (%)
V
IN
= 8 V
V
IN
= 12 V
V
IN
= 20 V
R
MODE
= 1 kΩ
0.980
0.985
0.990
0.995
1.000
1.005
1.010
1.015
1.020
6 8 10 12 14 16 18 20 22
Input Voltage (V)
VSNS−GSNS − 1.00−V Output Voltage (V)
I
OUT
= 0 A
I
OUT
= 10 A
R
MODE
= 1 kΩ
G001
0
10
20
30
40
50
60
70
80
90
100
0.001 0.01 0.1 1 10 100
1.00−V Output Current (A)
Efficiency (%)
V
IN
= 8 V
V
IN
= 12 V
V
IN
= 20 V
R
MODE
= 1 kΩ
TPS51219
www.ti.com SLUSAG1B –MARCH 2011– REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS
Figure 11, Figure 12, and Figure 13 refer to the application schematic in Figure 33.
Figure 14, Figure 15 and Figure 16, refer to the application schematic in Figure 33 except the parameters
of L1 (0.56 µH), C7 (2 × 330 µF) and Q3 (not used).
Figure 13. 1.05-V Output Efficiency Figure 14. 1.00-V Output Load Regulation
Figure 15. 1.00-V Output Line Regulation Figure 16. 1.00-V Output Efficiency
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