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LTC3370 数据表(PDF) 8 Page - Linear Technology

部件名 LTC3370
功能描述  60V Low IQ Buck Controller Plus 4-Channel 8A Configurable Buck DC/DCs
PDF  44 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3370 数据表(HTML) 8 Page - Linear Technology

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LTC3372
8
Rev. A
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency and Power Loss
vs Output Current
Efficiency and Power Loss
vs Output Current
Efficiency vs VIN
(HV Controller) TA = 25°C, unless otherwise noted.
Burst Mode Quiescent Current
vs VIN
Burst Mode Quiescent Current
vs Temperature
Shutdown Current vs VIN
Shutdown Current vs Temperature
Output Voltage vs Temperature
Forced Continuous Mode
BURST EFFICIENCY
BURST LOSS
VIN = 12V
VOUT = 5V
FCM EFFICIENCY
PULSE–SKIPPING
EFFICIENCY
FCM LOSS
PULSE–SKIPPING
LOSS
OUTPUT CURRENT (A)
0.0001
0.001
0.01
0.1
1
10
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
3372 G02
fSW = 333kHz
ILOAD = 5A
VOUT = 5V
VOUT = 3.3V
INPUT VOLTAGE (V)
5 10 15 20 25 30 35 40 45 50 55 60
80
82
84
86
88
90
92
94
96
98
100
3372 G03
INPUT VOLTAGE (V)
5 10 15 20 25 30 35 40 45 50 55 60
3.20
3.25
3.30
3.35
3.40
3.45
3.50
3.55
3.60
3.65
3.70
3372 G06
VIN = 12V
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0
1
2
3
4
5
6
7
8
9
10
3372 G07
VIN = 12V
ILOAD = 100mA
VOUT = 3.3V
VOUT = 5V
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
3.20
3.25
3.30
3.35
3.40
3.45
3.50
4.80
4.85
4.90
4.95
5.00
5.05
5.10
3372 G08
BURST EFFICIENCY
BURST LOSS
VIN = 12V
VOUT = 3.3V
FCM EFFICIENCY
PULSE–SKIPPING
EFFICIENCY
FCM LOSS
PULSE–SKIPPING
LOSS
OUTPUT CURRENT (A)
0.0001
0.001
0.01
0.1
1
10
0
10
20
30
40
50
60
70
80
90
100
0.1
1
10
100
1000
10000
3372 G01
VOUT = 3.3V
VOUT = 5V
HV Only
HV+1LV
HV Only
HV+1LV
INPUT VOLTAGE (V)
5 10 15 20 25 30 35 40 45 50 55 60
0
10
20
30
40
50
60
70
80
3372 G04
VIN = 12V
VOUT = 3.3V
VOUT = 5V
HV Only
HV+1LV
HV Only
HV+1LV
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0
5
10
15
20
25
30
35
40
45
50
3372 G05



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