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LTC3370 Datasheet(PDF) 6 Page - Analog Devices

Part # LTC3370
Description  20V, 4-Channel Buck DC/DC with 8x Configurable 1.5A Power Stages
PDF  28 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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LTC3376
6
Rev 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
INTVCC Undervoltage Threshold
vs Temperature
EXTVCC Undervoltage Threshold
vs Temperature
VIN Undervoltage Threshold vs
Temperature
VCC Current vs Temperature with
All Bucks in Shutdown
VCC Current vs Temperature with
One Buck On (Sleeping, Not
Bootstrapped)
Total System Current vs
Temperature with One Buck On
(Sleeping, Bootstrapped)
VCC Current vs Temperature with
One Buck On (Forced Continuous
Mode, One Power Stage)
VIN Current vs Temperature
(Sleeping)
VIN Current vs Temperature
(Forced Continuous Mode, One
Power Stage)
TA = 25°C, unless otherwise noted.
Rising
Falling
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
vs Temperature
INTVcc Undervoltage Threshold
3376 G01
VCC = 12V
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
7
8
9
10
11
12
13
14
15
Bucks in Shutdown
VCC Current vs Temperature with All
3376 G04
Rising
Falling
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
2.83
2.84
2.85
2.86
2.87
2.88
2.89
2.90
2.91
2.92
2.93
2.94
vs Temperature
EXTVcc Undervoltage Threshold
3376 G02
Rising
Falling
TEMPERATURE
–50 –25
0
25
50
75
100 125
2.55
2.60
2.65
2.70
2.75
2.80
2.85
Temperature
VIN Undervoltage Threshold vs
3376 G03
VCC = 12V
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
50
55
60
65
70
75
80
85
90
Bootstrapped)
One Buck On (Sleeping, Not
VCC Current vs Temperature with
3376 G05
VOUT = 3.3V
VIN = VCC = 12V
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
20
22
24
26
28
30
32
34
36
38
40
(Sleeping, Bootstrapped)
Temperature with One Buck On
Total System Current vs
3376 G06
VOUT = 3.3V
VIN = VCC = 12V
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
4.10
4.13
4.16
4.19
4.22
4.25
4.28
4.31
4.34
4.37
4.40
Mode, One Power Stage)
One Buck On (Forced Continuous
VCC Current vs Temperature with
3376 G07
VOUT = 3.3V
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
(Sleeping)
VIN Current vs Temperature
3376 G08
VOUT = 3.3V
VIN = 12V
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
4.50
4.70
4.90
5.10
5.30
5.50
5.70
5.90
6.10
6.30
6.50
Power Stage)
(Forced Continuous Mode, One
VIN Current vs Temperature
3376 G09



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