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SP6644EU датащи(PDF) 6 Page - Sipex Corporation

номер детали SP6644EU
подробное описание детали  Single/Dual Alkaline Cell, High Efficiency Boost DC-DC Regulator
PDF  15 Pages
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производитель  SIPEX [Sipex Corporation]
домашняя страница  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6644EU датащи(HTML) 6 Page - Sipex Corporation

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Date: 11/30/04
SP6644/6645 High Efficiency Boost Regulator
© Copyright 2004 Sipex Corporation
Figure 17. SP6644/6201 DC/DC LDO Combination
Efficiency vs. Output Current (Vout=3.3V), Rlim=2.5k,
Li=22
µH Sumida CD-43, Refer to Figure 30
Figure 18. SP6644/6201 LDO Line/Load Rejection vs.
Output Current (Vout=3.3V), Rlim=2.5k, Li=22
µH
Sumida CD-43, Refer to Figure 30
Figure 19. SP6644/6201 DC/DC LDO Maximum Load
Current vs. Vbatt (Vout=3.3V), Rlim=2.5k, Li=22
µH
Sumida CD-43, Refer to Figure 30
Figure 20. SP6644/6201 DC/DC LDO No-Load Ibatt vs.
Vbatt (Vout=3.3V), Rlim=2.5k, Li=22
µH Sumida CD-
43, Refer to Figure 30
Figure 21. SP6644/6201 DC/DC LDO Output Ripple
Voltage (Vout=3.3V), Rlim=2.5k, Li=22
µH Sumida CD-
43, Refer to Figure 30
Figure 22. Load Transient Response, Vbatt=1.3V,
(Vout=3.3V), Rlim=2.5k, Li=22
µH Sumida CD-43
Figure 23. Line Transient Response, (Vout=3.3V),
Rlim=2.5k, Iload=22
µH Sumida CD-43
Figure 24. Switching Waveforms, (Vout=3.3V),
Vbatt=1.3V, Rlim=2.5k, Iload=10mA, Li=22
µH Sumida
CD-43
Refer to the circuit in
Figure 28, T
AMB = +25
oC unless otherwise noted.
30
40
50
60
70
80
90
100
0.1
1.0
10.0
100.0
1000.0
Iload (mA)
Vb=1.0V
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V
3.032
3.033
3.034
3.035
3.036
3.037
020 40
6080 100 120 140 160 180 200
Iload (mA)
Vb=1.3V
Vb=2.6V
0
20
40
60
80
100
120
140
160
180
200
220
240
0.0
1.0
2.0
3.0
4.0
Vbatt (V)
10
100
1000
10000
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Vbatt (V)
SP6201 Out
10mV/div
SP6644 Out
20mV/div
Li
0.5A/div
V
OUT
50mV/div
V
BATT
50mV/div
V
OUT
50mV/div
V
BATT
1V/div
Li
0.2A/div
V
OUT, VLX,VBATT
1V/div
PERFORMANCE CHARACTERISTICS



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