XR76116 Datasheet, PDF (7/19 Pages) Exar Corporation – PowerBloxTM 15A and 20A Synchronous

XR76116/20
Typical Performance Characteristics (Continued)
Efficiency and Package Thermal Derating
Unless otherwise specified: T_AMBIENT = 25°C, no airflow, f = 800kHz. Efficiency data includes inductor losses, schematic
from the Application Information section of this datasheet.
130
120
110
100
90
80
70
5.0V, CCM, 600kHz
60
50
2.5V, CCM, 800kHz
40
1.0V, CCM, 800kHz
30
3
5
7
9
11
13
15
IOUT (A)
Figure 9. XR76116 Maximum T_AMBIENT vs. I_OUT,
V_IN = 12V, No Airflow
130
120
110
100
90
80
70
60
50
40
30
3
3.3V, CCM, 600kHz
1.8V, CCM, 800kHz
1.0V, CCM, 800kHz
5
7
9
11
13
15
IOUT (A)
Figure 10. XR76116 Maximum T_AMBIENT vs. I_OUT,
V_IN = 5V, No Airflow
REV1A
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