FAN21SV04 Fairchild Semiconductor, FAN21SV04 Datasheet - Page 10

• Manufacturer Part Number: FAN21SV04
• Description: This part is covered in Fairchild's href="http://www
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN21SV04 • Rev. 1.0.2
Typical Performance Characteristics
Typical operating characteristics using the Figure 10 circuit; V
Note:
5.
95
90
85
80
75
70
Circuit values for this configuration change in Figure 10.
70
60
50
40
30
20
10
-0.03
-0.05
-0.08
-0.10
0
0.10
0.08
0.05
0.03
0.00
0
0
Figure 20. Peak MOSFET Temperatures
Figure 22. 1.8 V
0
Figure 18.
0.5
0.5
3.3V Output, 12V and 24V Input (500KHz)
1
5
1
Peak Case Tempr over Mosfet Location
@Room Tempr - 3.3V Output, 500kHz
1.8 V
1.5
1.5
OUT
10
Input Voltage (V)
OUT
Load(A)
Load(A)
Efficiency Over f
2
2
Line Regulation
2.5
2.5
15
1.8V_Eff 12V Input
Line Regulation
12V_HS
12V_LS
24V_HS
24V_LS
3
300kHz
400kHz
500kHz
600kHz
3
No load
0.5A Load
20
SW
3.5
3.5
(Continued)
4
25
4
(5)
10
Figure 23. Typical Output Operating Area Based on
Figure 21. Peak Case Temperature Over MOSFET
IN
=12V, V
70
60
50
40
30
20
10
6
5
4
3
2
1
0
0
-0.05
-0.15
0
0.15
0.05
0
-0.1
0.1
Recommended FAN21SV04 Safe Operating Area curves for 70 Deg
0
Figure 19. 1.8 V
0
300KHz
500KHz
600Khz
0.5
CC
2
Temperature rise VIN = 20V, Natural Convection.
=5V, T
0.5
1
4
Locations 5V Output (300KHz)
Peak Case Tempr over Mosfet Location
@Room Tempr - 5V Output, 300kHz
A
1
=25°C, unless otherwise specified.
Output Voltage (Volts)
1.5
Thermal Limitations
6
1.5
OUT
Load(A)
Load(A)
2
Load Regulation
2
8
2.5
2.5
10
Load Regulation
12V_HS
12V_LS
3
3
12V
16V
12
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3.5
3.5
14
4
4