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FAN21SV04EMPX Fiches technique(PDF) 9 Page - Fairchild Semiconductor

No de pièce FAN21SV04EMPX
Description  TinyBuck??4A, 24V Single-Input Integrated Synchronous Buck Regulator
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FAN21SV04EMPX Fiches technique(HTML) 9 Page - Fairchild Semiconductor

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© 2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN21SV04 • Rev. 1.0.1
9
Typical Performance Characteristics
Typical operating characteristics using the Figure 10 circuit; VIN=12V, VCC=5V, TA=25°C, unless otherwise specified.
70
75
80
85
90
95
00.5
11.5
2
2.5
33.5
4
Load(A)
8V
12V
16V
20V
1.8V_Eff 8-20V_500kHz
70
75
80
85
90
95
0
0.5
1
1.5
2
2.5
3
3.5
4
Load(A)
8Vin
12Vin
16Vin
20Vin
3.3V Eff 8-20V 500kHz
Figure 12.
1.8 VOUT Efficiency Over VIN vs. Load
Figure 13. 3.3 VOUT Efficiency, 500KHz
(4)
70
75
80
85
90
95
00.5
11.5
22.5
33.5
4
Load(A)
8V
12V
16V
20V
1.8V_Eff 8-20V_300kHz
70
75
80
85
90
95
0
0.511.5
2
2.533.5
4
Load(A)
8V
12V
16V
20V
3.3V_Eff 8-20V_300kHz
Figure 14. 1.8 VOUT Efficiency, 300KHz
(4)
Figure 15. 3.3 VOUT Efficiency, 300KHz
(4)
70
75
80
85
90
95
0
0.5
1
1.5
2
2.5
3
3.5
4
Load (A)
8V
12V
16V
20V
1.2V_Eff 8-20V_500kHz
70
75
80
85
90
95
0
0.5
1
1.522.533.5
4
Load(A)
8Vin
12Vin
16Vin
20Vin
5V_Eff 8-20V_300kHz
Figure 16. 1.2 VOUT Efficiency, 500KHz (Figure 11)
Figure 17. 5 VOUT Efficiency, 300KHz
(4)
Note:
4.
Circuit values for this configuration change in Figure 10.


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