TLV62130_13 Datasheet, PDF (7/34 Pages) Texas Instruments – 4-17V 3A Step-Down Converter with DCS-ControlTM

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100.0
EFFICIENCY
vs
OUTPUT CURRENT
90.0
80.0
70.0
VIN=12V
VIN=17V
60.0
50.0
40.0
30.0
20.0
10.0
0.0
0.0001 0.001
0.01
VOUT=5.0V
L=2.2uH (XFL4020)
Cout=22uF
0.1
1
10
Output Current (A)
G001
Figure 4. Efficiency with 1.25MHz, Vout=5V
100.0
EFFICIENCY
vs
OUTPUT CURRENT
90.0
80.0
70.0
60.0
VIN=17V
50.0
VIN=12V
40.0
30.0
20.0
10.0
0.0
0.0001 0.001
0.01
VOUT=5.0V
L=2.2uH (XFL4020)
Cout=22uF
0.1
1
10
Output Current (A)
G001
Figure 6. Efficiency with 2.5MHz, Vout=5V
100.0
EFFICIENCY
vs
OUTPUT CURRENT
90.0
80.0
70.0
VIN=12V
VIN=17V
60.0
VIN=5V
50.0
40.0
30.0
20.0
10.0
0.0
0.0001 0.001
0.01
VOUT=3.3V
L=2.2uH (XFL4020)
Cout=22uF
0.1
1
10
Output Current (A)
G001
Figure 8. Efficiency with 1.25MHz, Vout=3.3V
TLV62130, TLV62130A
SLVSB74B – FEBRUARY 2012 – REVISED JUNE 2013
100.0
EFFICIENCY
vs
INPUT VOLTAGE
90.0
80.0
70.0
60.0
IOUT=10mA
50.0 _IOUT=1mA
IOUT=100mA
40.0
IOUT=1A
30.0
20.0
VOUT=5.0V
L=2.2uH (XFL4020)
10.0
Cout=22uF
0.0
7 8 9 10 11 12 13 14 15 16 17
Input Voltage (V)
G001
Figure 5. Efficiency with 1.25MHz, Vout=5V
100.0
EFFICIENCY
vs
INPUT VOLTAGE
90.0
80.0
70.0
60.0
IOUT=10mA
50.0 _IOUT=1mA
IOUT=100mA
40.0
IOUT=1A
30.0
20.0
10.0
0.0
7
VOUT=5.0V
L=2.2uH (XFL4020)
Cout=22uF
8 9 10 11 12 13 14 15 16 17
Input Voltage (V)
G001
Figure 7. Efficiency with 2.5MHz, Vout=5V
100.0
EFFICIENCY
vs
INPUT VOLTAGE
90.0
80.0
70.0
60.0
IOUT=1A IOUT=100mA IOUT=10mA IOUT=1mA
50.0
40.0
30.0
20.0
VOUT=3.3V
L=2.2uH (XFL4020)
10.0
Cout=22uF
0.0
4 5 6 7 8 9 10 11 12 13 14 15 16 17
Input Voltage (V)
G001
Figure 9. Efficiency with 1.25MHz, Vout=3.3V
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