FAN5069 Fairchild Semiconductor, FAN5069 Datasheet - Page 9

• Manufacturer Part Number: FAN5069
• Description: The FAN5069 combines a high efficiency Pulse-Width-Modulated PWM controller and a LDO (Low DropOut) linear regulator controller
• Manufacturer: Fairchild Semiconductor

FAN5069 Rev. 1.1.5
© 2005 Fairchild Semiconductor Corporation
Typical Performance Characteristics
1.54
1.52
1.50
1.48
1.46
1.510
1.505
1.500
1.495
1.490
1.210
1.205
1.200
1.195
1.190
6
0
Figure 16. PWM Load Regulation
8
Figure 14. PWM Line Regulation
Figure 15. LDO Line Regulation
8
Load Line Regulation (V
PWM Load Regulation (V
PWM Line Regulation (V
10
2
10
INPUT VOLTAGE (V)
12
LOAD CURRENT (A)
INPUT VOLTAGE (V)
12
4
14
14
6
OUT
16
16
OUT
OUT
= 1.203V)
= 1.50V)
= 1.5V)
18
18
I
I
I
L
L
L
8
= 0A
= 5A
= 10A
V
V
V
V
I
I
I
IN
IN
IN
IN
L
L
L
= 0A
= 2A
= 5A
= 8V
= 12V
= 15V
= 20V
20
20
(Continued)
10
9
1.210
1.205
1.200
1.195
1.190
700
600
500
400
300
200
100
100
80
60
40
20
0
0
0
0
Figure 17. LDO Load Regulation
Figure 19. 1.5V PWM Efficiency
Figure 18. R
LDO Load Regulation (V
2
1
100
Efficiency vs. Input Voltage
Master Clock Frequency
LOAD CURRENT (A)
LOAD CURRENT (A)
4
T
2
R
vs. Frequency
T
200
(kΩ)
6
3
OUT
300
= 1.203V)
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V
V
V
V
V
V
V
V
IN
IN
IN
IN
8
IN
IN
IN
IN
4
= 8V
= 12V
= 15V
= 20V
= 8V
= 12V
= 15V
= 20V
400
10
5