SP6649 Sipex, SP6649 Datasheet - Page 7

• Manufacturer Part Number: SP6649
• Description: Ultra-low Quiescent Current / High Efficiency Boost DC-DC Regulator
• Manufacturer: Sipex

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