SP6641 Sipex, SP6641 Datasheet - Page 4
SP6641
Manufacturer Part Number
SP6641
Description
500mA Alkaline DC/DC Boost Regulator in SOT-23
Manufacturer
Sipex
Datasheet
1.SP6641.pdf
(13 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SP6641AEK
Manufacturer:
Other
Quantity:
50
Company:
Part Number:
SP6641AEK-3.3
Manufacturer:
SIPEX
Quantity:
3 500
Part Number:
SP6641AEK-3.3/TR
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
Company:
Part Number:
SP6641AEK-5.0
Manufacturer:
TI
Quantity:
4 494
Company:
Part Number:
SP6641AEK-L-3-3
Manufacturer:
Exar
Quantity:
135
Company:
Part Number:
SP6641AEK-L-3-3
Manufacturer:
OPTK
Quantity:
7 444
Part Number:
SP6641AEK-L-3-3/TR
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
Part Number:
SP6641AEK-L-3.3
Manufacturer:
SIPEX
Quantity:
20 000
Part Number:
SP6641AEK-L-3.3/TR
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
Part Number:
SP6641BEK-3.3
Manufacturer:
SIPEX
Quantity:
20 000
PERFORMANCE CHARACTERISTICS
Refer to the circuit in Figure 1, T
Figure 3. SP6641AEK - 3.3 Efficiency vs Load Current
Figure 5. SP6641AEK - 3.3 Line/Load Rejection vs Load
Current
Figure 7. SP6641AEK-5.0 Efficiency Vs Load Current
Rev. 3/5/02, *Patent Pending
100
3.400
3.380
3.360
3.340
3.320
3.300
3.280
3.260
3.240
3.220
3.200
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
0.1
0.1
0
V
V
V
IN
IN
IN
= 3.0V
= 2.6V
= 2.0V
50
1.0
1.0
100
Iload (mA)
Iload (mA)
V
V
IN
IN
10.0
Iload (mA)
= 1.3V
= 1.0V
10.0
SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23
AMB
V
V
V
IN
IN
IN
150
= 3.0V
= 2.6V
= 2.0V
= +25 C
100.0
100.0
200
Vi=4.2V
Vi=3.6V
Vi=3.3V
Vi=2.0V
Vi=1.3V
V
V
IN
IN
= 1.3V
= 1.0V
1000.0
1000.0
250
4
Figure 8. SP6641BEK-5.0 Efficiency Vs Load Current
Figure 4. SP6641BEK - 3.3 Efficiency vs Load Current
Figure 6. SP6641BEK - 3.3 Line/Load Rejection vs Load
Current
100
100
95
90
85
80
75
70
65
60
95
90
85
80
75
70
65
60
3.400
3.380
3.360
3.340
3.320
3.300
3.280
3.260
3.240
3.220
3.200
0.1
0.1
0
V
V
V
IN
IN
IN
Vi=4.2V
Vi=3.6V
Vi=3.3V
Vi=2.0V
Vi=1.3V
= 3.0V
= 2.6V
= 2.0V
1.0
1.0
200
Iload (mA)
V
V
IN
IN
Iload (mA)
10.0
© Copyright 2002 Sipex Corporation
= 1.3V
= 1.0V
Iload (mA)
10.0
400
V
V
V
IN
IN
IN
= 3.0V
= 2.6V
= 2.0V
100.0
100.0
600
V
V
IN
IN
= 1.3V
= 1.0V
1000.0
1000.0
800