ltm8042 Linear Technology Corporation, ltm8042 Datasheet - Page 9

• Manufacturer Part Number: ltm8042
• Description: Ltm8042/ltm8042-1 - ?module Boost Led Driver And Current Source
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
LTM8042-1
93
91
89
87
85
83
81
79
77
75
95
90
85
80
75
70
65
98
96
94
92
90
88
86
84
82
80
11
6
4
Efficiency vs V
9.7V at 350mA LED String
Efficiency vs V
15.6V at 350mA LED String
Efficiency vs V
24.8V at 350mA LED String
13
5
8
15
6
10
17
7
12
19 21
8
14
V
IN
IN
V
IN
V
9
IN
IN
IN
, Buck Mode,
, Boost Operation,
, Boost Operation,
(V)
23
(V)
(V)
10
16
25
11
18
27
12
20
29
13
31 33
80421 G45
22
80421 G42
80421 G48
14 15
24
95
90
85
80
75
70
65
93
91
89
87
85
83
81
79
77
75
97
95
93
91
89
87
85
14
4
4
Efficiency vs V
18.6V at 350mA LED String
Efficiency vs V
3.7V at 350mA LED String
Efficiency vs V
12.6V at 350mA LED String
5
6
16
6
8
10
18
7 8
12
20
14
9
10
16
V
V
22
V
IN
IN
IN
IN
IN
IN
, Boost Operation,
11
, Buck Mode,
18
, Buck Mode,
(V)
(V)
(V)
24
12
20
13
22
26
14 15 16 17 18
24
28
26
28
80421 G43
80421 G46
80421 G49
30
T
30 32
A
= 25°C, unless otherwise noted.
32
LTM8042/LTM8042-1
96
94
92
90
88
86
84
82
80
95
90
85
80
75
70
65
97
95
93
91
89
87
85
17
8
5
Efficiency vs V
21.6V at 350mA LED String
Efficiency vs V
6.7V at 350mA LED String
Efficiency vs V
15.6V at 350mA LED String
10
6
19
12
7 8
14
21
16
9
23
10
18
IN
IN
V
IN
V
V
11
20
IN
IN
25
IN
, Boost Operation,
, Buck Mode,
, Buck Mode,
(V)
(V)
(V)
22
12
27
13
24
26
14 15 16 17 18
29
28
31
30 32 34
80421 G44
80421 G47
80421 G50
80421fa
9
33