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LT3791 数据表(PDF) 5 Page - Linear Technology

部件名 LT3791
功能描述  60V 4-Switch Synchronous Buck-Boost LED Driver Controller
PDF  28 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT3791 数据表(HTML) 5 Page - Linear Technology

  LT3791_15 Datasheet HTML 1Page - Linear Technology LT3791_15 Datasheet HTML 2Page - Linear Technology LT3791_15 Datasheet HTML 3Page - Linear Technology LT3791_15 Datasheet HTML 4Page - Linear Technology LT3791_15 Datasheet HTML 5Page - Linear Technology LT3791_15 Datasheet HTML 6Page - Linear Technology LT3791_15 Datasheet HTML 7Page - Linear Technology LT3791_15 Datasheet HTML 8Page - Linear Technology LT3791_15 Datasheet HTML 9Page - Linear Technology Next Button
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background image
LT3791
5
3791fb
For more information www.linear.com/LT3791
Typical perForMance characTerisTics
INTVCC Load Regulation
VREF Voltage vs Temperature
VREF Load Regulation
INTVCC Dropout Voltage
vs Current, Temperature
INTVCC Voltage vs Temperature
TA = 25°C, unless otherwise noted.
INTVCC Current Limit
vs Temperature
LDO CURRENT (mA)
0
1.0
1.5
40
3791 G01
0.5
0
10
20
30
2.5
2.0
TA = 150°C
TA = 25°C
TA = –50°C
TEMPERATURE (°C)
–50
5.00
5.10
150
3791 G02
4.90
4.80
0
50
100
–25
25
75
125
5.20
4.95
5.05
4.85
5.15
VIN = 60V
VIN = 12V
TEMPERATURE (°C)
–50
0
10
30
40
50
70
0
50
75
3791 G03
20
80
90
60
–25
25
100 125 150
ILOAD (mA)
0
5.75
30
3791 G04
5.00
4.50
10
20
40
4.25
4.00
6.00
5.50
5.25
4.75
50
60
70
TEMPERATURE (°C)
–50
2.00
2.02
150
3791 G05
1.98
1.96
0
50
100
–25
25
75
125
2.04
1.99
2.01
1.97
2.03
VIN = 60V
VIN = 12V
VIN = 4.7V
IREF (µA)
0
2.00
2.10
400
3791 G06
1.90
1.80
100
200
300
50
150
250
350
2.20
1.95
2.05
1.85
2.15
V(ISP-ISN) Threshold vs VCTRL
V(ISP-ISN) Threshold vs VISP
V(ISP-ISN) Threshold
vs Temperature
VCTRL (V)
0
30
90
100
110
0.4 0.6
1.0 1.2 1.4
3791 G07
10
70
50
20
80
0
60
40
0.2
0.8
1.8
1.6
2.0
VISP (V)
0
98
100
102
30
50
3791 G08
96
94
92
10
20
40
104
106
108
60
TEMPERATURE (°C)
–50
100
104
150
3791 G09
96
92
0
50
100
–25
25
75
125
108
VIN = 12V
98
102
94
106
VISP = 60V
VISP = 12V
VISP = 0V



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