FAN4603 Fairchild Semiconductor, FAN4603 Datasheet - Page 6

• Manufacturer Part Number: FAN4603
• Description: The FAN4603 is a fully integrated synchronous DC/DC buck converter that provides up to 600mA of output current over an input voltage ranging from 2
• Manufacturer: Fairchild Semiconductor

© 2009 Fairchild Semiconductor Corporation
FAN4603 • Rev. 1.0.1
Typical Performance
Unless otherwise specified, V
Figure 12.
Figure 10.
100%
90%
80%
70%
60%
50%
-10
40
30
20
10
0
Figure 14.
0
1
Optional 2.2µF C
100
1.82V
1.23V
1.82V
OUT
Output Current (mA)
OUT
200
Output Current (mA)
10
Regulation (Normalized) with
OUT
Efficiency Over Temperature
IN
= 3.7V, T
OUT
PFM / PWM Boundary
300
(1.5µF Actual)
A
= 25°C,V
400
100
3.3VIN
3.3VIN, 2.2uF
5.0VIN
5.0VIN, 2.2uF
3.3VIN, -40C
3.3VIN, +85C
5.0VIN, -40C
5.0VIN, +85C
IN
500
= V
EN
1000
600
6
100%
90%
80%
70%
60%
50%
-10
20
15
10
-5
Figure 13.
5
0
Figure 15.
0
1
Figure 11. 1.23 V
100
1.23V
1.23V
Output Current (mA)
200
Output Current (mA)
10
OUT
OUT
Regulation (Normalized)
PFM / PWM Boundary
300
OUT
Efficiency
100
400
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500
2.5VIN
3.3VIN
3.7VIN
5.0VIN
2.5VIN
3.3VIN
3.7VIN
5.0VIN
1000
600