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LTC3310 Datasheet(PDF) 4 Page - Analog Devices

Part # LTC3310
Description  8V, 16A Synchronous Step-Down Silent Switcher 2
PDF  22 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC3310 Datasheet(HTML) 4 Page - Analog Devices

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LT8644S
4
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Frequency
5VIN to 1.2VOUT Light Load
Efficiency
Reference Voltage
3.3VIN to 1.2VOUT Efficiency
5VIN to 1.2VOUT Efficiency
3.3VIN to 1VOUT Efficiency
5VIN to 1VOUT Efficiency
EFFICIENCY
POWER LOSS
L = XEL6030, 0.28µH (DCR = 2.1mΩ)
FC MODE
1MHz
2MHz
3MHz
LOAD CURRENT (A)
1
4
7
10
13
16
60
65
70
75
80
85
90
95
100
0
0.6
1.2
1.8
2.4
3.0
3.6
4.2
4.8
8644S G01
EFFICIENCY
POWER LOSS
L = XEL4030, 0.30µH (DCR = 2.8mΩ)
FC MODE
1MHz
2MHz
3MHz
LOAD CURRENT (A)
1
4
7
10
13
16
60
65
70
75
80
85
90
95
100
0
0.6
1.2
1.8
2.4
3.0
3.6
4.2
4.8
3.3VIN to 1.2VOUT Efficiency
8644S G02
EFFICIENCY
POWER LOSS
L = XEL4030, 0.30µH (DCR = 2.8mΩ)
FC MODE
1MHz
2MHz
3MHz
LOAD CURRENT (A)
1
4
7
10
13
16
60
65
70
75
80
85
90
95
100
0
0.6
1.2
1.8
2.4
3.0
3.6
4.2
4.8
8644S G03
EFFICIENCY
POWER LOSS
L = XEL4030, 0.30µH (DCR = 2.8mΩ)
FC MODE
1MHz
2MHz
3MHz
LOAD CURRENT (A)
1
4
7
10
13
16
60
65
70
75
80
85
90
95
100
0
0.6
1.2
1.8
2.4
3.0
3.6
4.2
4.8
8644S G04
VIN = 5V
VOUT = 1.2V
ILOAD = 8A
L = XEL4030, 0.30µH (DCR = 2.8mΩ)
SWITCHING FREQUENCY (MHz)
0
0.5
1
1.5
2
2.5
3
3.5
70
75
80
85
90
95
100
Efficiency vs Frequency
8644S G06
Burst Mode OPERATION
VIN = 5V, fSW = 2MHz
L = XEL6030, 0.28µH (DCR = 2.1mΩ)
LOAD CURRENT (mA)
0.1
1
10
100
1000
10000
0
10
20
30
40
50
60
70
80
90
100
Efficiency
8644S G05
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
594
596
598
600
602
604
606
Reference Voltage
8644S G07
TA = 25°C, unless otherwise noted.



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