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LTC3421 Datasheet(PDF) 9 Page - Analog Devices

Part # LTC3421
Description  8V, 12A, 2-Phase Low IQ Synchronous Boost Converter
PDF  29 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC3421 Datasheet(HTML) 9 Page - Analog Devices

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Data Sheet
LT8349
analog.com
Rev B
9 of 29
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise noted.
Figure 4. Efficiency and Power Loss vs Output Current
(Burst Mode) (Reference to Page 26 Circuit)
Figure 5. Efficiency and Power Loss vs Output Current (FCM
Mode) (Reference to Page 26 Circuit)
Figure 6. Output Voltage vs Output Current (Burst Mode)
(Reference to Page 26 Circuit)
Figure 7. Output Voltage vs Output Current (FCM Mode)
(Reference to Page 26 Circuit)
Figure 8. FB Regulation Voltage vs Temperature
Figure 9. EN/UVLO Thresholds vs Temperature
VIN = 2.5V
VIN = 4.5V
LOAD CURRENT (mA)
0.1
1
10
100
1k
5k
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1k
10k
LOAD CURRENT (A)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
10
20
30
40
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1.4
1.6
1.8
1.0
2.0
1.2
VIN = 2.5V
VIN = 4.5V
LOAD CURRENT (mA)
0.1
1
10
100
1k
5k
5.850
5.875
5.900
5.925
5.950
5.975
6.000
6.025
6.050
6.075
6.100
VIN = 2.5V
VIN = 4.5V
LOAD CURRENT (A)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.850
5.875
5.900
5.925
5.950
5.975
6.000
6.025
6.050
6.075
6.100
VIN = 2.5V
VIN = 4.5V
TEMPERATURE (C°)
–50
–25
0
25
50
75
100
125
0.990
0.992
0.994
0.996
0.998
1.000
1.002
1.004
1.006
1.008
1.010
EN/UVLO RISING
EN/UVLO FALLING
TEMPERATURE (C°)
–50
–25
0
25
50
75
100
125
0.98
0.99
1.00
1.01
1.02
1.03
1.04
1.05



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