LMZ22008_15 Datasheet, PDF (6/36 Pages) Texas Instruments – 8A SIMPLE SWITCHER Power Module With 20-V Maximum Input Voltage and Current Sharing

LMZ22008
SNVS712H – FEBRUARY 2010 – REVISED AUGUST 2015
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6.6 Typical Characteristics
Unless otherwise specified, the following conditions apply: V_IN = 12 V; C_IN = three × 10-μF + 47-nF X7R Ceramic; C_OUT = two
x 330-μF Specialty Polymer + 47-µF Ceramic + 47-nF Ceramic; C_FF = 4.7 nF; T_A = 25° C for waveforms. All indicated
temperatures are ambient.
100
90
80
70
60
50
40
0
8 Vin
10 Vin
12 Vin
16 Vin
20 Vin
2
4
6
8
OUTPUT CURRENT (A)
8 _{8 Vin}
7
10 Vin
12 Vin
16 Vin
6 20 Vin
5
4
3
2
1
0
0
2
4
6
8
OUTPUT CURRENT (A)
Figure 1. Efficiency 5-V Output at 25°C
100
90
80
70
60
50
40
0
6Vin
8Vin
10Vin
12Vin
16Vin
20Vin
2
4
6
8
OUTPUT CURRENT (A)
Figure 2. Dissipation 5-V Output at 25°C
8 _6Vin
8Vin
10Vin
12Vin
6 16Vin
20Vin
4
2
0
0
2
4
6
8
OUTPUT CURRENT (A)
Figure 3. Efficiency 3.3-V Output at 25°C
100
90
80
70
60
50
40
30
0
6 Vin
8 Vin
10 Vin
12 Vin
16 Vin
20 Vin
2
4
6
8
OUTPUT CURRENT (A)
Figure 4. Dissipation 3.3-V Output at 25°C
8 _{6 Vin}
7
8 Vin
10 Vin
12 Vin
6 16 Vin
20 Vin
5
4
3
2
1
0
0
2
4
6
8
OUTPUT CURRENT (A)
Figure 5. Efficiency 2.5-V Output at 25°C
Figure 6. Dissipation 2.5-V Output at 25°C
6
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