TPS51518_15 Datasheet, PDF (8/35 Pages) Texas Instruments – Single-Phase, D-CAP™ and D-CAP2™ Controller with 2-Bit Flexible VID Control

TPS51518
SLUSAO8 – DECEMBER 2011
100
TYPICAL CHARACTERISTICS
100
www.ti.com
90
90
80
80
Mode = 5 V
V_{VID_00} = 1.20 V
70
0.1
1
10
Output Current (A)
Figure 1. GFX Efficiency
V_IN = 8 V
V_IN = 12 V
V_IN = 20 V
100
G004
1.200
1.000
0.800
0.600
V_{VID_00} = 1.20 V
0.400
Mode = 5 V
V_{VID_01} = 1.05 V
V_{VID_10} = 0.90 V
V_IN = 12 V
V_{VID_11} = 0.60 V
0.200
0
5
10
15
20
25
Output Current (A)
G016
Figure 3. GFX Load Regulation
1.4
1.2
1.0
0.8
0.6
0.4
0.2
I_OUT = 20 A
0.0
4
6
8
V_{VID_00} = 1.20 V
V_{VID_01} = 1.05 V
V_{VID_10} = 0.9 V
V_{VID_11} = 0.6 V
10 12 14 16 18 20
Input Voltage (V)
G007
Figure 5. GFX Line Regulation
70
60
Mode = 5 V
V_{VID_10} = 0.80 V
50
0.1
1
Output Current (A)
Figure 2. SA Efficiency
V_IN = 8 V
V_IN = 12 V
V_IN = 20 V
10
G009
1.000
0.900
0.800
0.700
0.600
V_{VID_00} = 0.900 V
0.500 _{Mode = 5 V}
V_{VID_01} = 0.725 V
V_{VID_10} = 0.800 V
V_IN = 12 V
V_{VID_11} = 0.675 V
0.400
0
1
2
3
4
5
6
Output Current (A)
G013
Figure 4. SA Load Regulation
1.00
0.90
0.80
0.70
0.60
0.50
I_OUT = 6 A
0.40
4
6
8
V_{VID_00} = 0.900 V
V_{VID_01} = 0.725 V
V_{VID_10} = 0.800 V
V_{VID_11} = 0.675 V
10 12 14 16 18 20
Input Voltage (V)
G011
Figure 6. SA Line Regulation
8
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