XR79110_17 Datasheet, PDF (9/19 Pages) Exar Corporation – 22V, 10A Synchronous Step Down COT Power Module

XR79110
Typical Performance Characteristics
Unless otherwise noted: V_IN = 12V, V_OUT=1.2V, I_OUT=10A, f=500kHz, T_A = 25°C. Schematic from the application information
section.
16
14
12
10
8
6
4
2
0
1.6 1.8 2.0 2.2 2.4 2.6 2.8
R_LIM (kΩ)
Figure 7: I_OCP versus R_LIM
610
605
600
595
590
-40 -20 0 20 40 60 80 100 120
T_J (°C)
Figure 8: V_REF versus temperature
70
60
50
40
30
-40 -20 0 20 40 60 80 100 120
T_J (°C)
Figure 9: I_LIM versus temperature
450
440
430
420
410
400
390
380
370
360
350
-40 -20 0 20 40 60 80 100 120
T_J (°C)
Figure 10: T_ON versus temperature, R_ON=16.2kΩ
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
5
10
15
20
Current (A)
Figure 11: Inductance versus Current
4.0
Peak-to-peak Inductor current ripple 6.5A
3.5
6A
3.0
2.5
5A
2.0
4A
1.5
3A
1.0
0.5
400
450
500
550
600
frequency (kHz)
Figure 12: V_OUT versus f, V_IN=12V
© 2015-2017 Exar Corporation
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exar.com/XR79110
Rev 2B