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LTC3370 Datasheet(PDF) 9 Page - Linear Technology

Part # LTC3370
Description  4-Channel 8A Configurable Buck DC/DCs
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3370 Datasheet(HTML) 9 Page - Linear Technology

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LTC3370
9
3370fb
For more information www.linear.com/LTC3370
3A Buck Efficiency vs ILOAD,
VOUT = 1.8V
3A Buck Efficiency vs ILOAD,
VOUT = 2.5V
4A Buck Efficiency vs ILOAD,
VOUT = 1.8V
4A Buck Efficiency vs ILOAD,
VOUT = 2.5V
1A Buck Efficiency vs ILOAD
(Across Operating Frequency)
1A Buck Efficiency vs Frequency
(Forced Continuous Mode)
2A Buck Efficiency vs ILOAD,
VOUT = 1.8V
2A Buck Efficiency vs ILOAD,
VOUT = 2.5V
Typical perForMance characTerisTics T
A = 25°C, unless otherwise noted.
LOAD CURRENT (mA)
3370 G28
100
90
80
40
30
20
10
70
50
60
0
1
1000
100
10
VOUT = 1.8V
fOSC = 2MHz
L = 2.2µH
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
LOAD CURRENT (mA)
3370 G29
100
90
80
40
30
20
10
70
50
60
0
1
1000
100
10
VOUT = 2.5V
fOSC = 2MHz
L = 2.2µH
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
VIN = 2.7V
VIN = 3.3V
VIN = 5.5V
VIN = 2.7V
VIN = 3.3V
VIN = 5.5V
LOAD CURRENT (mA)
3370 G30
100
90
80
40
30
20
10
70
50
60
0
1
1000
100
10
VOUT = 1.8V
fOSC = 2MHz
L = 2.2µH
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
LOAD CURRENT (mA)
3370 G31
100
90
80
40
30
20
10
70
50
60
0
1
1000
100
10
VOUT = 2.5V
fOSC = 2MHz
L = 2.2µH
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
VIN = 2.7V
VIN = 3.3V
VIN = 5.5V
VIN = 2.7V
VIN = 3.3V
VIN = 5.5V
LOAD CURRENT (mA)
3370 G32
100
90
80
40
30
20
10
70
50
60
0
1
1000
100
10
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
VOUT = 1.8V
fOSC = 2MHz
L = 2.2µH
LOAD CURRENT (mA)
3370 G33
100
90
80
40
30
20
10
70
50
60
0
1
1000
100
10
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
VIN = 2.7V
VIN = 3.3V
VIN = 5.5V
VIN = 2.7V
VIN = 3.3V
VIN = 5.5V
VOUT = 2.5V
fOSC = 2MHz
L = 2.2µH
LOAD CURRENT (mA)
3370 G34
100
90
80
40
30
20
10
70
50
60
0
1
1000
100
10
Burst Mode
OPERATION
FORCED
CONTINUOUS
MODE
fOSC = 1MHz, L = 3.3µH
fOSC = 2MHz, L = 2.2µH
fOSC = 3MHz, L = 1µH
fOSC = 1MHz, L = 3.3µH
fOSC = 2MHz, L = 2.2µH
fOSC = 3MHz, L = 1µH
VOUT = 1.8V
VIN = 3.3V
FREQUENCY (MHz)
3370 G35
100
90
80
40
30
20
10
70
50
60
0
1
3
1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8
VOUT = 1.8V
ILOAD = 100mA
L = 3.3µH
VIN = 3.3V
VIN = 2.25V
VIN = 5.5V
1A Buck Efficiency vs Frequency
(Forced Continuous Mode)
FREQUENCY (MHz)
3370 G36
100
90
80
40
30
20
10
70
50
60
0
1
3
1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8
VOUT = 1.8V
ILOAD = 200mA
L = 3.3µH
VIN = 2.25V
VIN = 5.5V
VIN = 3.3V



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