SP6641AEK-L-5-0/TR Exar Corporation, SP6641AEK-L-5-0/TR Datasheet - Page 5
![no-image](/images/manufacturer_photos/0/2/243/exar_corporation_sml.jpg)
SP6641AEK-L-5-0/TR
Manufacturer Part Number
SP6641AEK-L-5-0/TR
Description
500mA Alkaline DC/DC Boost Regulator
Manufacturer
Exar Corporation
Type
Step-Up (Boost), PFMr
Datasheet
1.SP6641AEK-L-3-3.pdf
(13 pages)
Specifications of SP6641AEK-L-5-0/TR
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
5V
Current - Output
175mA
Voltage - Input
0.5 V ~ 4.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SC-74A, SOT-753
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SP6641AEK-L-5-0/TR
Manufacturer:
EXAR
Quantity:
5 064
PERFORMANCE CHARACTERISTICS
Refer to the circuit in Figure 1, T
Figure 9. SP6641AEK-5.0 Line/Load Rejection Vs Load
Current
Figure 11. SP6641AEK-3.3 & SP6641AEK-5.0 No Load
Battery Current
Figure 13. SP6641AEK-3.3 & SP6641AEK-5.0
Maximum Resistive Load Current in Startup
Rev. 5/26/05, *Patent Pending
5.200
5.180
5.160
5.140
5.120
5.100
5.080
5.060
5.040
5.020
5.000
250
200
150
100
250
200
150
100
50
50
0
0
0.5
0.5
0
1.0
1.0
50
Vi=4.2V
Vi=3.6V
Vi=3.3V
Vi=2.0V
Vi=1.3V
1.5
1.5
2.0
2.0
100
Iload (mA)
Vin (V)
Vin (V)
SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23
2.5
2.5
AMB
150
3.0
SP6641AEK-5.0
SP6641AEK-3.3
3.0
= +25°C
SP6641AEK-3.3, 22µH
SP6641AEK-3.3, 10µH
SP6641AEK-5.0, 22µH
SP6641AEK-5.0, 10µH
3.5
3.5
200
4.0
4.0
250
4.5
4.5
5
Figure 10. SP6641BEK-5.0 Line/Load Rejection Vs
Load Current
Figure 12. SP6641BEK-3.3 & SP6641AEK-5.0 No Load
Battery Current
Figure 14. SP6641BEK-3.3 & SP6641BEK-5.0
Maximum Resistive Load Current in Startup
5.100
5.080
5.060
5.040
5.020
5.000
4.980
4.960
4.940
4.920
4.900
700
600
500
400
300
200
100
500
450
400
350
300
250
200
150
100
50
0
0
0.5
0.5
0
1.0
1.0
1.5
200
1.5
2.0
2.0
© Copyright 2002 Sipex Corporation
Vin (V)
Iload (mA)
Vin (V)
400
2.5
2.5
Vi=4.2V
Vi=3.6V
Vi=3.3V
Vi=2.0V
Vi=1.3V
3.0
3.0
SP6641BEK-3.3, 22µH
SP6641BEK-3.3, 10µH
SP6641BEK-5.0, 22µH
SP6641BEK-5.0, 10µH
SP6641B-5.0
SP6641B-3.3
600
3.5
3.5
4.0
4.0
800
4.5
4.5