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| LTC3350_15 Datasheet, PDF (8/46 Pages) Linear Technology – High Current Supercapacitor Backup Controller and System Monitor | |||
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LTC3350
Typical Performance Characteristics
TA = 25°C, Application Circuit 4 unless otherwise noted.
IIN and ICHARGE vs VIN
4.1
IOUT = 1A
VCAP = 6V
125°C
3.5
25°C
â40°C
ICHARGE
2.9
ICHARGE vs VCAP
5.00
3.75
2.50
ICHARGE vs VCAP
5.00
3.75
2.50
2.3
IIN
1.7
11
16
21
26
VIN (V)
31
36
3350 G04
IIN and ICHARGE vs IOUT
5.00
IIN(MAX) = 2A
VIN = 12V
VIN = 24V
3.75
VIN = 35V
ICHARGE
2.50
IIN
1.25
0
0
0.75
1.50
2.25
3.00
IOUT (A)
3350 G07
VCAP vs Temperature
7.210
IIN(MAX) = 2A
1.25 IOUT = 0A
VIN = 12V
VIN = 24V
VIN = 35V
0
0
2
4
6
VCAP (V)
Charger Efficiency vs VCAP
100
8
3350 G05
75
IIN(MAX) = 2A
1.25 IOUT = 1A
VIN = 12V
VIN = 24V
VIN = 35V
0
0
2
4
VCAP (V)
VCAP vs vcapfb_dac
8.00
ICHARGE = 2A
6
8
3350 G06
6.75
50
5.50
IIN(MAX) = 2A
25
IOUT = 0A
VIN = 12V
VIN = 24V
VIN = 35V
0
0
1.8
3.6
5.4
7.2
VCAP (V)
3350 G08
Efficiency in Boost Mode
100
4.25
3.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
vcapfb_dac (CODE)
3350 G09
Load Regulation in Boost Mode
5.000
7.205
7.200
7.195
7.190
capfb_dac = 15
ICHARGE = 2A
7.185
â40
â6
28
62
96
130
TEMPERATURE (°C)
3350 G10
75
4.994
50
4.988
25
0
10â3
10â2
VCAP = 2V
VCAP = 3V
VCAP = 4V
APPLICATION CIRCUIT 5
10â1
IOUT (A)
100
101
3350 G11
4.981
4.975
10â3
10â2
VCAP = 2V
VCAP = 3V
VCAP = 4V
APPLICATION CIRCUIT 5
10â1
IOUT (A)
100
101
3350 G12
3350fb
8
For more information www.linear.com/LTC3350
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