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LTC3370 Datasheet(PDF) 6 Page - Analog Devices

Part # LTC3370
Description  5V, 2A Synchronous Step-Down Regulator in 2mm × 2mm FCQFN
PDF  20 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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LTC3302
6
Rev. 0
For more information www.analog.com
VOUT Load Regulation,
VOUT = 1.2V Application,
Forced Continuous Mode
VOUT Line Regulation,
VOUT = 1.2V Application,
Forced Continuous Mode
TYPICAL PERFORMANCE CHARACTERISTICS V
IN = 3.3V, TA = 25°C, unless otherwise noted.
UV, OV PGOOD Thresholds
vs Temperature
VIN UVLO Threshold
vs Temperature
Efficiency, VIN = 3.3V,
Burst Mode Operation
Efficiency, VIN = 5.0V,
Burst Mode Operation
Efficiency vs VIN, VOUT = 1.2V
Efficiency vs Load, All Modes,
VIN = 3.3V, VOUT = 1.2V
Efficiency, VIN = 2.5V,
Burst Mode Operation
UVLO RISING
UVLO FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
1.90
1.95
2.00
2.05
2.10
2.15
2.20
3302 G16
UV, VOUT RISING
UV, VOUT FALLING
OV, VOUT RISING
OV, VOUT FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
94
96
98
100
102
104
106
108
110
112
114
3302 G17
VIN = 2.5V
VIN = 3.3V
VIN = 5V
LOAD CURRENT (A)
0.0
0.5
1.0
1.5
2.0
1.196
1.197
1.198
1.199
1.200
1.201
1.202
1.203
1.204
3302 G18
ILOAD = 0A
ILOAD = 1A
ILOAD = 2A
INPUT VOLTAGE (V)
2.50
3
3.50
4
4.50
5
5.50
1.196
1.197
1.198
1.199
1.200
1.201
1.202
1.203
1.204
3302 G19
fSW = 2MHz, TDK TFM201610ALMAR68MTAA
BURST
FC
PULSE-SKIP
LOAD CURRENT (A)
0.001
0.01
0.1
1 2
0
10
20
30
40
50
60
70
80
90
100
3302 G20
TDK TFM201610ALMA SERIES INDUCTORS
VOUT = 0.5V, L = 470nH
VOUT = 0.75V, L = 470nH
VOUT = 1.0V, L = 680nH
VOUT = 1.2V, L = 680nH
VOUT = 1.8V, L = 1.0µH
LOAD CURRENT (A)
0.001
0.01
0.1
1 2
50
55
60
65
70
75
80
85
90
95
100
3302 G21
fSW = 2MHz
TDK TFM201610ALMA SERIES INDUCTORS
VOUT = 0.5V, L = 470nH
VOUT = 0.75V, L = 470nH
VOUT = 1.0V, L = 680nH
VOUT = 1.2V, L = 680nH
VOUT = 1.8V, L = 1.0µH
LOAD CURRENT (A)
0.001
0.01
0.1
1 2
50
55
60
65
70
75
80
85
90
95
100
3302 G22
fSW = 2MHz
TDK TFM201610ALMA SERIES INDUCTORS
VOUT = 1.0V, L = 680nH
VOUT = 1.2V, L = 680nH
VOUT = 1.8V, L = 1.0µH
VOUT = 2.5V, L = 1.0µH
VOUT = 3.3V, L = 1.0µH
LOAD CURRENT (A)
0.001
0.01
0.1
1 2
50
55
60
65
70
75
80
85
90
95
100
3302 G23
fSW = 2MHz
fSW = 2MHz, TDK TFM201610ALMAR68MTAA
2A (CONTINUOUS)
0.1A (BURSTING)
INPUT VOLTAGE (V)
2
2.5
3
3.5
4
4.5
5
5.5
72
74
76
78
80
82
84
86
88
90
92
3302 G24



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