XR79106 Datasheet, PDF (7/19 Pages) Exar Corporation – 22V, 6A Synchronous Step-Down

XR79106
Typical Performance Characteristics (Continued)
T_A = 25°C, V_IN = 12V, V_OUT = 1.2V, I_OUT = 6A, f = 600kHz, unless otherwise specified. Schematic shown in Figure 27.
9
Calculated worst case
8
Typical
7
6
5
4
3
2
1
0
0.6
0.8
1
1.2
1.4
1.6
RLIM (kΩ)
Figure 9. I_OCP vs. R_LIM
610
605
600
595
590
-40 -20 0 20 40 60 80 100 120
TJ (°C)
Figure 10. V_REF vs. Temperature
280
260
240
220
200
180
160
140
120
100
-40 -20 0
20 40 60
TJ (°C)
80 100 120
Figure 11. t_ON vs. Temperature, R_ON = 6.98kΩ
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0 1 2 3 4 5 6 7 8 9 10
Current (A)
Figure 12. Inductance vs. Current
5.0
600kHz
4.0
700kHz
800kHz
3.0
2.0
1.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
VOUT (V)
Figure 13. Inductor Current Ripple vs. V_OUT
REV1B
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