XR76116 Datasheet, PDF (11/19 Pages) Exar Corporation – PowerBloxTM 15A and 20A Synchronous

XR76116/20
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.
35
25
30
20
25
20
15
15
10
5
Calculated worst case
Typical
0
1
1.2
1.4
1.6
1.8
2
2.2
RLIM (kΩ)
10
5
Calculated worst case
Typical
0
1.5
2.0
2.5
3.0
3.5
RLIM (kΩ)
Figure 27. XR76120 I_OCP vs. R_LIM
Figure 28. XR76116 I_OCP vs. R_LIM
610
300
605
250
600
200
595
590
-40 -20 0 20 40 60 80 100 120
TJ (°C)
Figure 29. V_REF vs. Temperature
150
100
-40 -20 0
20 40 60
TJ (˚C)
80 100 120
Figure 30. t_ON vs. Temperature, R_ON = 5.9k
REV1A
11/19