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XR79203 Datasheet(PDF) 7 Page - Exar Corporation

Part # XR79203
Description  40V, 3A Synchronous Step-Down
PDF  19 Pages
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XR79203 Datasheet(HTML) 7 Page - Exar Corporation

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79203
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REV1B
Typical Performance Characteristics (Continued)
TA = 25°C, VIN = 24V, VOUT = 3.3V, IOUT = 3A, f = 500kHz, unless otherwise specified. Schematic shown in Figure 27.
Figure 9. IOCP vs. RLIM
0
1
2
3
4
5
6
1
1.2
1.4
1.6
1.8
2
2.2
2.4
Calculated worst case
Typical
RLIM (kΩ)
Figure 10. VREF vs. Temperature
590
595
600
605
610
-40
-20
0
20
40
60
80
100
120
TJ (°C)
Figure 11. tON vs. Temperature, RON = 14kΩ
100
120
140
160
180
200
220
240
260
280
-40
-20
0
20
40
60
80
100
120
TJ (°C)
Figure 12. Inductance vs. Current
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0
1
2
3
4
5
6
Current (A)
Figure 13. Inductor Current Ripple vs. VOUT
0.0
0.5
1.0
1.5
2.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
VOUT (V)
600kHz
700kHz
500kHz



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