XR76117 Datasheet, PDF (9/18 Pages) Exar Corporation – PowerBloxTM 15A Synchronous

XR76117
Typical Performance Characteristics (Continued)
All data taken at V_IN = 12V, V_OUT = 1.8V, f = 800kHz, T_A = 25°C, no airflow, forced CCM. (Unless otherwise specified).
Schematic from the Applications Information section of this datasheet.
1.850
1.840
1.830
1.820
1.810
1.800
1.790
1.780
1.770
1.760
1.750
0
2
4
6
8
10
12
IOUT (A)
Figure 17. Load Regulation
14 15
1.850
1.840
1.830
1.820
1.810
1.800
1.790
1.780
1.770
1.760
1.750
4 6 8 10 12 14 16 18 20 22
VIN (V)
Figure 18. Line Regulation
1,000
900
800
700
600
500
400
300
200
100
0
0
Calculated
Typical
5
10
15
20
25
30
35
RON (kΩ)
Figure 19. t_ON vs. R_ON
900
800
700
600
500
400
300
200
100
0
0
2
4
6
8
10 12
IOUT (A)
Figure 21. Frequency vs. I_OUT
14 15
450
400
350
300
250
200
150
100
4
Calculated
Typical
6 8 10 12 14 16 18 20 22
VIN (V)
Figure 20. t_ON vs. V_IN, R_ON = 5.9kΩ
900
800
700
600
500
400
300
200
100
0
4
6 8 10 12 14 16 18 20 22
VIN (V)
Figure 22. Frequency vs. V_IN
REV1A
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