SP6642EU 查看數據表（PDF） - Signal Processing Technologies
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SP6642EU Datasheet PDF : 16 Pages
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PERFORMANCE CHARACTERISTICS
Refer
to
the
circuit
in
Figure
25
with
V
BATT
=
1.2V,
R1
+
R2
=
1MΩ,
and
T
AMB
=
+25OC
unless
otherwise
noted.
100
90
80
70
60
50
40
30
20
10
0
0.01
Vin = 1.6V
Vin = 1.2V
Vin = 1.0V
Vin = 0.85V
0.1
1
10
100
Output Current (mA)
100
90
80
70
60
50
40
30
20
10
0
0.01
Vin = 1.6V
Vin = 1.2V
Vin = 1.0V
Vin = 0.85V
0.1
1
10
100
Output Current (mA)
Figure 1. Efficiency vs. Output Current (VOUT=2.4V)
where L1=100µH, Sumida CD54-101
Figure 2. Efficiency vs. Output Current (VOUT=2.4V)
where L1=150µH, TDK NLC565050T-151K
100
90
80
70
60
50
40
30
20
10
0
0.01
Vin = 1.6V
Vin = 1.2V
Vin = 1.0V
Vin = 0.85V
0.1
1
10
100
Output Current (mA)
100
90
80
70
60
50
40
30
20
10
0
0.01
Vin = 1.6V
Vin = 1.2V
Vin = 1.0V
Vin = 0.85V
0.1
1
10
100
Output Current (mA)
Figure 3. Efficiency vs. Output Current (VOUT=3.3V)
where L1=100µH, Sumida CD54-101
Figure 4. Efficiency vs. Output Current (VOUT=3.3V)
where L1=150µH, TDK NLC565050T-151K
Rev. 10-6-00
SP6642/6643 High Efficiency Step-Up DC-DC Converter
4
© Copyright 2000 Sipex Corporation
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