SP6644EU SIPEX [Sipex Corporation], SP6644EU Datasheet - Page 5
SP6644EU
Manufacturer Part Number
SP6644EU
Description
Single/Dual Alkaline Cell, High Efficiency Step-Up DC-DC Converter
Manufacturer
SIPEX [Sipex Corporation]
Datasheet
1.SP6644EU.pdf
(15 pages)
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Figure 11. Maximum Load Current vs. Vbatt
(Vout=3.3V), Li=22uH Sumida CD43
Figure 9. Line/Load vs. Output Current (Vout=5V),
Rlim=2.5k, Li=22uH Sumida CD43, Refer to figure 29,
R1=499k, R2=169k
Rev:B Date 4/13/04
Refer to the circuit in Figure 28, T
Figure 13. No Load Battery Current vs. Vbatt
(Vout=3.3V), Li=22uH Sumida CD43
Figure 15. Io Pin Quiescent Current vs. Temperature,
(Vout=3.3V)
240
220
200
180
160
140
120
100
10000
80
60
40
20
1000
0
60
55
50
45
40
35
30
5.08
5.07
5.06
5.05
5.04
5.03
5.02
5.01
5.00
100
0.0
10
-40
0.0
0
10 20
-20
1.0
1.0
30
0
40
Vbatt (V)
Iload (mA)
Temperature (degC)
Vbatt (V)
2.0
50
20
2.0
AMB
60
= +25
40
70
3.0
3.0
80 90 100
o
C unless otherwise noted.
60
SP6644/6645 High Efficiency Boost Regulator
4.0
4.0
80
100
Vb=1.3V
Vb=2.6V
Rlim=2.5K
Rlim=5K
Rlim=2.5k
Rlim=5k
5
Figure 10. Line/Load vs. Output Current (Vout=5V),
Rlim=5k, Li=22uH Sumida CD43, Refer to figure 29,
R1=499k, R2=169k
Figure 12. Maximum Load Current vs. Vbatt (Vout=5V),
Li=22uH Sumida CD43, Refer to Figure 29,
R1=499k, R2=169k
Figure 14. Output Voltage vs. Temperature,
Rlim=2.5k, Rload=3k, (Vout=3.3V),Li=22uH Sumida CD43
Figure 16. Ibatt Pin Quiescent Current vs. Temperature,
(Vout=3.3V), Vbatt=1.0V
PERFORMANCE CHARACTERISTICS
240
220
200
180
160
140
120
100
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.33
3.32
3.31
3.30
3.29
3.28
3.27
5.08
5.07
5.06
5.05
5.04
5.03
5.02
5.01
5.00
80
60
40
20
0
0.0
-40
-40
0
-20
-20
10
1.0
0
0
20
Vbatt (V)
Temperature (degC)
Iload (mA)
Temperature (degC)
2.0
20
20
© Copyright 2004 Sipex Corporation
30
40
40
3.0
40
60
60
50
4.0
80
80
100
Vb=1.3V
Vb=2.6V
Rlim=2.5K
Rlim=5K
100