XR75100 Datasheet, PDF (7/15 Pages) Exar Corporation – 40V Synchronous Step Down COT Controller

XR75100
Typical Performance Characteristics
Unless otherwise noted: V_IN = 24V, V_OUT=3.3V, I_OUT=10A, f=500kHz, T_A = 25°C. Schematic from the application informa-
tion section.
3.340
3.330
3.320
+0.5%
Typical
-0.5%
3.310
3.300
3.290
3.280
3.270
3.260
0
2
4
6
8 10
I_OUT (A)
Figure 1: Load Regulation
3.340
3.330
3.320
+0.5%
Typical
-0.5%
3.310
3.300
3.290
3.280
3.270
3.260
5
10
15
20
25
30
V_IN (V)
Figure 2: Line regulation
Figure 3: Load step, Forced CCM, 0A-6.5A-0A
Figure 4: Load step, DCM/CCM, 0A-6.5A-0A
Figure 5: Steady state, V_OUT,ripple=14mV, I_OUT=10A
© 2016 Exar Corporation
Figure 6: Steady state, DCM, V_OUT,ripple=61mV, I_OUT=0A
7 / 15
exar.com/XR75100
Rev 1C