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LTC3370 Datasheet(PDF) 6 Page - Analog Devices

Part # LTC3370
Description  Dual 5V, 2A Synchronous Step-Down DC/DCs in 2mm 횞 2mm LQFN
PDF  22 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC3370 Datasheet(HTML) 6 Page - Analog Devices

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LTC3315B
6
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C, VIN = 3.3V, unless otherwise noted.
PGOOD, OV vs Temperature
VOUT Load Regulation
VOUT Line Regulation
Efficiency vs ILOAD,
VOUT = 1.2V, VIN = 3.3V
Efficiency vs ILOAD,
VOUT = 2.5V, VIN = 5.5V
OV RISING
OV FALLING
PGOOD RISING
PGOOD FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
96
98
100
102
104
106
108
110
112
3315B G16
VOUT = 1.8V
5.5V
5V
3.3V
2.25V
LOAD CURRENT (A)
0.001
0.01
0.1
1 2
1.75
1.76
1.77
1.78
1.79
1.80
1.81
1.82
1.83
1.84
1.85
VOUT Load Regulation
3315B G17
VOUT = 1.8V
ILOAD = 0A
ILOAD = 2A
VIN (V)
2
2.5
3
3.5
4
4.5
5
5.5
1.75
1.76
1.77
1.78
1.79
1.80
1.81
1.82
1.83
1.84
1.85
VOUT Line Regulation
3315B G18
fSW = 6MHz
L = 240nH
L DCR = 16mΩ
BURST MODE
PULSE SKIP
FORCED CONTINUOUS
LOAD CURRENT (A)
1m
10m
100m
1 2
0
10
20
30
40
50
60
70
80
90
100
VOUT = 1.2V, VIN = 3.3V
Efficiency vs ILOAD
3315B G19
Efficiency vs ILOAD,
VOUT = 1.8V, VIN = 3.3V
Efficiency vs ILOAD,
VOUT = 1.8V, VIN = 5.5V
fSW = 6MHz
L = 240nH
L DCR = 16mΩ
Burst Mode
Pulse Skip
Forced Continuous
LOAD CURRENT (A)
1m
10m
100m
1 2
0
10
20
30
40
50
60
70
80
90
100
VOUT = 1.8V, VIN = 3.3V
Efficiency vs ILOAD
3315B G20
fSW = 6MHz
L = 330nH
L DCR = 21mΩ
BURST MODE
PULSE SKIP
FORCED
CONTINUOUS
LOAD CURRENT (A)
1m
10m
100m
1 2
0
10
20
30
40
50
60
70
80
90
100
VOUT = 1.8V, VIN = 5.5V
Efficiency vs ILOAD
3315B G21
fSW = 6MHz
L = 470nH
L DCR = 20mΩ
BURST MODE
PULSE SKIP
FORCED CONTINUOUS
LOAD CURRENT (A)
1m
10m
100m
1 2
0
20
40
60
80
100
VOUT = 2.5V, VIN = 5.5V
Efficiency vs ILOAD
3315B G22



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