sp6645eu-tr Exar Corporation, sp6645eu-tr Datasheet - Page 4

• Manufacturer Part Number: sp6645eu-tr
• Description: Sp6645 -single/dual Alkaline Cell, High Efficiency Boost Dc-dc Regulator
• Manufacturer: Exar Corporation

Figure 7. Line/Load Rejection vs. Output Current
(Vout=3.3V), Rlim=2.5k, Li=22uH Sumida CD43
Refer to the circuit in Figure 28, T
Figure 3. Efficiency vs. Output Current (Vout=3.3V),
Rlim=2.5k, Li=22uH Sumida CDRH5D18 Low Profile
Date: 11/30/04
Figure 1. Efficiency vs. Output Current (Vout=3.3V),
Rlim=2.5k, Li=22uH Sumida CD43
Figure 5. Efficiency vs. Output Current (Vout=5V),
Rlim=2.5k, Li=22uH Sumida CD43, Refer to Figure 29,
R1=499k, R2=169k
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
90
80
70
60
50
40
3.33
3.32
3.31
3.30
3.29
3.28
3.27
0.1
0.1
0.1
0
20 40
1.0
1.0
1.0
60 80 100 120 140 160 180 200
Iload (mA)
Iload (mA)
Iload (mA)
Iload (mA)
10.0
10.0
10.0
AMB
= +25
100.0
100.0
100.0
o
C unless otherwise noted.
SP6644/6645 High Efficiency Boost Regulator
1000.0
1000.0
1000.0
Vb=1.3V
Vb=2.6V
Vb=1.0V
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V
Vb=1.0V
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V
Vb=1.0V
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V
4
Figure 8. Line/Load Rejection vs. Output Current
(Vout=3.3V), Rlim=5k, Li=22uH Sumida CD43
Figure 2. Efficiency vs. Output Current (V
Rlim=5k, Li=22µH Sumida CD43
Figure 4. Efficiency vs. Output Current (Vout=3.3V),
Rlim=5k, Li=100µH Sumida CD54
Figure 6. Efficiency vs. Output Current (Vout=5V),
Rlim=5k, Li=22uH Sumida CD43, Refer to Figure 29,
R1=499k, R2=169k
PERFORMANCE CHARACTERISTICS
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
90
80
70
60
50
40
3.33
3.32
3.31
3.30
3.29
3.28
3.27
0.1
0.1
0.1
0
10
20 30 40 50 60 70 80
1.0
1.0
1.0
Iload (mA)
Iload (mA)
Iload (mA)
Iload (mA)
10.0
10.0
10.0
© Copyright 2004 Sipex Corporation
100.0
100.0
100.0
90 100
1000.0
1000.0
1000.0
OUT
=3.3V),
Vb=1.3V
Vb=2.6V
Vb=1.0V
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V
Vb=1.0V
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V
Vb=1.0V
Vb=1.3V
Vb=2.0V
Vb=2.6V
Vb=3.2V