Datasheet

0
100
200
300
400
500
600
700
800
0 2 4 6 8 10 12 14 16 18 20
Output Current (A)
Switching Frequency (kHz)
R
MODE
= 100 kΩ
V
IN
= 12 V
V
OUT
= 1.05 V
L = 0.56 µH
0
100
200
300
400
500
600
700
800
0 2 4 6 8 10 12 14 16 18 20
Output Current (A)
Switching Frequency (kHz)
R
MODE
= 200 kΩ
V
IN
= 12 V
V
OUT
= 1.05 V
L = 0.56 µH
0
100
200
300
400
500
600
700
800
0 2 4 6 8 10 12 14 16 18 20
Output Current (A)
Switching Frequency (kHz)
R
MODE
= 1 kΩ
V
IN
= 12 V
V
OUT
= 1.05 V
L = 0.45 µH
0
100
200
300
400
500
600
700
800
0 2 4 6 8 10 12 14 16 18 20
Output Current (A)
Switching Frequency (kHz)
R
MODE
= 12 kΩ
V
IN
= 12 V
V
OUT
= 1.05 V
L = 0.36 µH
1.030
1.035
1.040
1.045
1.050
1.055
1.060
1.065
1.070
0 2 4 6 8 10 12 14 16 18 20
1.05−V Output Current (A)
VSNS−GSNS − 1.05−V Output Voltage (V)
R
MODE
= 1 kΩ
V
IN
= 12 V
G001
1.030
1.035
1.040
1.045
1.050
1.055
1.060
1.065
1.070
6 8 10 12 14 16 18 20 22
Input Voltage (V)
VSNS−GSNS − 1.05−V Output Voltage (V)
I
OUT
= 0 A
I
OUT
= 10 A
R
MODE
= 1 kΩ
G001
TPS51219
SLUSAG1B –MARCH 2011– REVISED OCTOBER 2011 www.ti.com
TYPICAL CHARACTERISTICS
Figure 11 and Figure 12 refer to the application schematic in Figure 33.
Figure 7. Switching Frequency vs Load Current Figure 8. Switching Frequency vs Load Current
Figure 9. Switching Frequency vs Load Current Figure 10. Switching Frequency vs Load Current
Figure 11. 1.05-V Output Load Regulation Figure 12. 1.05-V Output Line Regulation
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