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SP6644EU bảng dữ liệu(PDF) 6 Page - Sipex Corporation

tên linh kiện SP6644EU
Giải thích chi tiết về linh kiện  Single/Dual Alkaline Cell, High Efficiency Step-Up DC-DC Converter
PDF  15 Pages
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nhà sản xuất  SIPEX [Sipex Corporation]
Trang chủ  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6644EU bảng dữ liệu(HTML) 6 Page - Sipex Corporation

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Rev:B Date 4/13/04
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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