ltm8042 Linear Technology Corporation, ltm8042 Datasheet - Page 7

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

TYPICAL PERFORMANCE CHARACTERISTICS
LTM8042
18
16
14
12
10
25
20
15
10
25
20
15
10
8
6
4
2
0
5
0
5
0
0
0
0
Junction Temperature Rise vs Load,
Buck Mode, 2.9V at 1A LED String
Junction Temperature Rise vs Load,
Buck Mode, 10.9V at 1A LED String
Junction Temperature Rise
vs Load, Buck-Boost Mode,
2.9V at 1A LED String
200
200
200
LED CURRENT (mA)
LED CURRENT (mA)
LED CURRENT (mA)
400
400
400
24V
12V
24V
IN
IN
IN
600
600
600
24V
12V
IN
5V
IN
IN
800
800
800
80421 G26
80421 G29
80421 G32
1000
1000
1000
30
25
20
15
10
30
25
20
15
10
18
16
14
12
10
5
0
8
6
4
2
0
5
0
0
0
0
Junction Temperature Rise vs Load,
Buck Mode, 3.8V at 1A LED String
Junction Temperature Rise vs Load,
Buck Mode, 13.6V at 1A LED String
Junction Temperature Rise
vs Load, Buck-Boost Mode,
3.8V at 1A LED String
200
200
200
LED CURRENT (mA)
LED CURRENT (mA)
LED CURRENT (mA)
400
400
400
24V
24V
24V
IN
IN
IN
5V
600
600
600
IN
12V
IN
800
800
800
12V
80421 G30
80421 G33
80421 G27
T
IN
A
1000
1000
1000
= 25°C, unless otherwise noted.
LTM8042/LTM8042-1
25
20
15
10
25
20
15
10
40
35
30
25
20
15
10
5
0
5
0
5
0
0
0
0
Junction Temperature Rise vs Load,
Buck Mode, 8.3V at 1A LED String
Junction Temperature Rise vs Load,
Buck Mode, 18.1V at 1A LED String
Junction Temperature Rise
vs Load, Buck-Boost Mode,
8.3V at 1A LED String
200
200
200
LED CURRENT (mA)
LED CURRENT (mA)
LED CURRENT (mA)
400
400
400
24V
24V
IN
IN
600
600
600
12V
12V
IN
IN
800
800
800
80421 G28
80421 G31
80421 G34
80421fa
7
1000
1000
1000