XR76203 Datasheet, PDF (12/20 Pages) Exar Corporation – 3A/5A/8A Synchronous Step Down COT Regulator

XR76203/5/8
Thermal Derating
Unless otherwise noted: No Air flow, f=400kHz, Schematic from the application information section.
130
120
110
100
90
1.8 VOUT
3.3 VOUT
80
5.0 VOUT
70
60
50
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I_OUT (A)
Figure 25: XR76208, V_IN=12V
130
120
110
100
90
80
1.8 VOUT
3.3 VOUT
70
5.0 VOUT
60
50
1
2
3
4
5
I_OUT (A)
Figure 27: XR76205, V_IN=12V
130
120
110
100
90
80
1.8 VOUT
3.3 VOUT
70
5.0 VOUT
60
50
1.0
1.5
2.0
2.5
3.0
I_OUT (A)
Figure 29: XR76203, V_IN=12V
© 2015 Exar Corporation
12 / 20
130
120
110
100
200kHz
90
80
70
60
1.8 VOUT
3.3 VOUT
5.0 VOUT
12 VOUT
50
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I_OUT (A)
Figure 26: XR76208, V_IN=24V
130
120
110
100
90 ^200kHz
80
1.8 VOUT
3.3 VOUT
70
5.0 VOUT
12 VOUT
60
50
1
2
3
4
5
I_OUT (A)
Figure 28: XR76205, V_IN=24V
130
120
110
100
200kHz
90
80
1.8 VOUT
3.3 VOUT
70
5.0 VOUT
12 VOUT
60
50
1.0
1.5
2.0
2.5
3.0
I_OUT (A)
Figure 30: XR76203, V_IN=24V
exar.com/XR76203/5/8
Rev 1A