SP6649 Datasheet, PDF (7/9 Pages) Sipex Corporation – Ultra-low Quiescent Current, High Efficiency Boost DC-DC Regulator

PERFORMANCE CHARACTERISTICS
5V out, refer to the Circuit in Figure 1, T_AMB=+25°C, R1=374K.
100
95
90
85
80
75
70
65
60
0.1
Vi=4.2V
Vi=3.2V
Vi=2.6V
Vi=2.0V
Vi=1.6V
1.0
10.0
100.0
Iload (mA)
1000.0
Figure 10. SP6649 5V Efficiency vs. Load Current
5.100
5.080
5.060
5.040
5.020
5.000
4.980
4.960
4.940
4.920
4.900
0
100
200
300
400
500
Iload (mA)
Vi=4.2V
Vi=3.2V
Vi=2.6V
Vi=2.0V
Vi=1.6V
Figure 11. SP6649 5V Line/Load Rejection vs. Load
Current
300
250
200
150
100
50
0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
Vin (V)
Figure 12. SP6649 5V No Load Battery Current
500
450
400
350
300
250
200
150
100
50
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Vin (V)
Figure 13. SP6649 5V Maximum Resistive Load Current
in Startup
Figure 14. SP6649 5V Output Ripple, Vin=2.6V,
Iload=80mA
Figure 15. SP6649 5V Output Ripple, Vin=2.6V,
Iload=200mA
Rev:001 Date:11/20/03
SP6649 Ultra-low Quiescent Current, High Efficiency Boost DC-DC Regulator
7
© Copyright 2002 Sipex Corporation