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| XR76121ELMTR-F Datasheet, PDF (9/19 Pages) Exar Corporation – PowerBlox 20A Synchronous Step-Down COT Regulators | |||
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XR76121
Typical Performance Characteristics (Continued)
All data taken at VIN = 12V, VOUT = 1.8V, f = 800kHz, TA = 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 14 16 18 20
IOUT (A)
Figure 17. Load Regulation
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 (kâ¦)
Figure 19. tON vs. RON
900
800
700
600
500
400
300
200
100
0
0 2 4 6 8 10 12 14 16 18 20
IOUT (A)
Figure 21. Frequency vs. IOUT
450
400
350
300
250
200
150
100
4
Calculated
Typical
6 8 10 12 14 16 18 20 22
VIN (V)
Figure 20. tON vs. VIN, RON = 5.9kâ¦
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. VIN
REV1A
9/18
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