XR76203 Datasheet, PDF (8/20 Pages) Exar Corporation – 3A/5A/8A Synchronous Step Down COT Regulator

XR76203/5/8
Typical Performance Characteristics
Unless otherwise noted: V_IN = 24V, V_OUT=3.3V, I_OUT=8A, f=400kHz, T_A = 25°C. Schematic from the application information
section.
3.340
3.330
3.320
3.310
3.300
3.290
3.280
3.270
3.260
0
2
4
6
8
I_OUT (A)
Figure 1: Load Regulation
3.340
3.330
3.320
3.310
3.300
3.290
3.280
3.270
3.260
5 10 15 20 25 30 35 40
V_IN (V)
Figure 2: Line regulation
1,000
Typical
Calculated
100
10
1
10
100
R_ON (kΩ)
Figure 3: T_ON versus R_ON
600
500
400
300
200
100
0
0
2
4
6
8
I_OUT (A)
Figure 5: frequency versus I_OUT
1,500
1,300
Calculated
Typical
1,100
900
700
500
300
100
5
10 15 20 25 30 35 40
V_IN (V)
Figure 4: T_ON versus V_IN, R_ON=27.4k
600
500
400
300
200
100
0
5 10 15 20 25 30 35 40
V_IN (V)
Figure 6: frequency versus V_IN
© 2015 Exar Corporation
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