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LTM4607 Scheda tecnica(PDF) 11 Page - Linear Technology

Il numero della parte LTM4607
Spiegazioni elettronici  關Module Boost LED Driver and Current Source
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo LINER - Linear Technology

LTM4607 Scheda tecnica(HTML) 11 Page - Linear Technology

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LTM8042/LTM8042-1
11
80421fa
Maximum LED Current vs Input
Voltage, Buck-Boost Mode
LED Current vs CTL Voltage
Quiescent Current vs Input
Voltage, Open LED
INPUT VOLTAGE (V)
0
0
20
400
80421 G60
10
30
40
350
50
300
100
200
150
250
3.2V AT 350mA
6.3V AT 350mA
9.4V AT 350mA
12.4V AT 350mA
15.5V AT 350mA
18.6V AT 350mA
CTL VOLTAGE (mV)
0
0
400
120
100
80421 G61
800
600
200
1000
1200
40
20
60
80
INPUT VOLTAGE (V)
0
0
20
10
5
80
70
80421 G62
30
25
15
35
40
10
50
20
30
60
TYPICAL PERFORMANCE CHARACTERISTICS
Junction Temperature Rise
vs Load, Boost Operation,
6.8V at 350mA LED String
Junction Temperature Rise
vs Load, Boost Operation,
9.4V at 350mA LED String
LED CURRENT (mA)
0
0
200
100
50
5
80421 G63
300
250
150
350
4
1
2
3
5VIN
Junction Temperature Rise
vs Load, Boost Operation,
11.2V at 350mA LED String
LED CURRENT (mA)
0
0
200
100
50
7
6
5
80421 G64
300
250
150
350
4
1
2
3
5VIN
LED CURRENT (mA)
0
0
200
100
50
8
7
6
5
80421 G65
300
250
150
350
4
1
2
3
5VIN
Junction Temperature Rise
vs Load, Boost Operation,
15.5V at 350mA LED String
LED CURRENT (mA)
0
0
200
100
50
14
12
10
80421 G66
300
250
150
350
8
2
4
6
5VIN
TA = 25°C, unless otherwise noted.
LTM8042-1
Junction Temperature Rise
vs Load, Buck Mode,
2.3V at 350mA LED String
Junction Temperature Rise
vs Load, Buck Mode,
3.2V at 350mA LED String
LED CURRENT (mA)
0
0
200
100
50
10
9
5
6
80421 G67
300
250
150
350
4
8
7
1
2
3
12VIN
24VIN
LED CURRENT (mA)
0
0
200
100
50
6
5
80421 G68
300
250
150
350
4
1
2
3
12VIN
5VIN



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