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LTM8042-1 Datasheet(PDF) 10 Page - Linear Technology

Part # LTM8042-1
Description  Module Boost LED Driver and Current Source
Download  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM8042-1 Datasheet(HTML) 10 Page - Linear Technology

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LTM8042/LTM8042-1
10
80421fb
For more information www.linear.com/LTM8042
TYPICAL PERFORMANCE CHARACTERISTICS
Maximum LED Current vs Input
Voltage, Boost Operation
Maximum LED Current vs Input
Voltage, Buck Mode
Efficiency vs VIN, Buck-Boost
Mode, 6.7V at 350mA LED String
Efficiency vs VIN, Buck-Boost
Mode, 9.7V at 350mA LED String
Efficiency vs VIN, Buck-Boost
Mode, 12.6V at 350mA LED String
INPUT VOLTAGE (V)
0
0
20
15
400
80421 G58
10
5
25
300
350
200
50
250
100
150
6.3V AT 350mA
15.5V AT 350mA
18.6V AT 350mA
21.7V AT 350mA
24.8V AT 350mA
INPUT VOLTAGE (V)
0
0
20
400
80421 G59
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
Efficiency vs VIN, Buck-Boost
Mode, 3.7V at 350mA LED String
TA = 25°C, unless otherwise noted.
LTM8042-1
Efficiency vs VIN, Buck Mode,
18.6V at 350mA LED String
Efficiency vs VIN, Buck-Boost
Mode, 15.6V at 350mA LED String
Efficiency vs VIN, Buck-Boost
Mode, 18.6V at 350mA LED String
VIN (V)
21
85
97
80421 G51
23
27
25
29
31
33
89
87
93
91
95
VIN (V)
0
0
90
80421 G52
10
20
30
40
40
20
70
60
30
10
50
80
VIN (V)
0
40
90
80421 G53
10
20
5
15
25
30
60
50
75
85
70
55
45
65
80
VIN (V)
0
50
90
80421 G54
10
20
5
15
25
30
60
75
85
70
55
65
80
VIN (V)
0
60
90
80421 G55
10
20
5
15
25
75
85
70
65
80
VIN (V)
0
70
88
80421 G56
10
15
20
76
86
74
72
82
80
78
84
VIN (V)
5
75
87
80421 G57
11
13
7
9
15
77
85
81
79
83


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