TPS43060
TPS43061
www.ti.com
SLVSBP4A –DECEMBER 2012–REVISED DECEMBER 2012
CHARACTERISTICS OF THE TPS43061 BOOST CONVERTER EXAMPLE (continued)
VIN(ac coupled)
VOUT(ac coupled)
50mV/div
100mV/div
IL
IL
1A/div
1A/div
SW
SW
10V/div
10V/div
Time – 1µs/div
Time – 1µs/div
Figure 28. Input Ripple in CCM
Figure 29. Input Ripple in DCM
60
50
180
120
60
100
95
90
85
80
75
70
65
60
55
50
Gain
Phase
40
30
20
10
0
0
−10
−20
−30
−40
−50
−60
−60
−120
−180
V
= 6 V
Series1
IN
V
= 9 V
Series2
IN
V
= 12 V
Series4
IN
100
1k
10k
100k
1M
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Frequency (Hz)
G030
C030
Output Current (A)
Figure 30. Efficiency vs Output Current
Figure 31. Loop Gain and Phase
0.05
0.04
0.03
0.02
0.01
0
0.1
0.08
0.06
0.04
0.02
0
-0.01
-0.02
-0.03
-0.04
-0.05
-0.02
-0.04
-0.06
-0.08
-0.1
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
6
6.5
7
7.5
8
8.5
9
9.5 10 10.5 11 11.5 12
C031
C033
Output Current (A)
Input Voltage (V)
Figure 32. Load Regulation
Figure 33. Line Regulation
Copyright © 2012, Texas Instruments Incorporated
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