FAN5665_08 Datasheet, PDF (6/15 Pages) Fairchild Semiconductor – High-Efficiency, Adaptive Charge Pump 5V Boost

Typical Performance Characteristics (Continued)
Unless otherwise noted, CIN = 2.2µF, COUT = 2.2µF, C1 = C2 = 0.22µF, TA = 25°C.
2.80
2.75
2.70
2.65
2.60
UVLO Rising
2.55
UVLO Falling
2.50
2.45
2.40
2.35
-40
-15
10
35
60
85
Temperature (°C)
Figure 9. UVLO Threshold vs. Temperature
5.06
5.04
V_IN=5.5V
5.02
5.00
4.98
4.96
4.94
V_IN=2.9V
4.92
V_IN=4.2V
4.90
0
5
10
15
20
25
30
Output Current (mA)
Figure 10. Load Regulation
5.04
5.02 _VIN=2.9V
5.00
I_OUT =1m A
4.98
4.96
4.94
4.92
4.90
4.88
I_OUT=20mA
I_OUT =30m A
4.86
-40
-15
10
35
60
85
Temperature (°C)
Figure 11. Output Voltage vs. Temperature
5.08
5.06 ^VIN=4V
5.04
5.02
IOUT=20mA
I_OUT=1mA
5.00
4.98
4.96
4.94
I_OUT=30mA
4.92
-40
-15
10
35
60
85
Temperature (°C)
Figure 12. Output Voltage vs. Temperature
5.12
5.10
V_IN=5.5V
5.08
IOUT=1mA
5.06
5.04
IOUT =20mA
5.02
5.00
4.98
IOUT=30mA
4.96
-40
-15
10
35
60
85
Temperature (°C)
Figure 13. Output Voltage vs. Temperature
5.06
5.04
5.02
IOUT=0mA
IOUT =20m A
5.00
4.98
4.96
4.94
4.92
I_OUT =30mA
4.90
2.9 3.2 3.5 3.8 4.1 4.4 4.7 5 5.3
Input Voltage (V)
Figure 14. Line Regulation
Iout = 1mA
95
Iout = 5mA
90
Iout = 10mA
85
Iout = 20mA
80
Iout = 30mA
75
70
65
60
55
2.9
3.4
3.9
4.4
4.9
5.4
Input Voltage (V)
Figure 15. Efficiency vs. Input Voltage
95
90
85
VIN=5.5V
80
75
VIN=2.9V
70
65
0
VIN=4.3V
10
20
30
Output Current (mA)
Figure 16. Efficiency vs. Output Current
© 2007 Fairchild Semiconductor Corporation
FAN5665 • Rev. 1.0.1
6
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