SP6641AEK-L-5-0/TR Exar Corporation, SP6641AEK-L-5-0/TR Datasheet - Page 4
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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 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. 5/26/05, *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