ltm8040 Linear Technology Corporation, ltm8040 Datasheet - Page 13

• Manufacturer Part Number: ltm8040
• Description: 36v, 1a ?module Led Driver
• Manufacturer: Linear Technology Corporation

APPLICATION INFORMATION
Table 1. Recommended Confi guration
V
12.5-36V
12.5-36V
10.5-36V
13.8-36V
10.5-36V
14.3-36V
14.8-36V
11.5-36V
15.5-36V
IN
4.5-36V
6.5-36V
9.5-36V
4.5-36V
6.5-36V
9.5-36V
4.8-36V
4.8-36V
7.7-36V
5.5-36V
11-36V
7-36V
7-36V
5-36V
8-36V
RANGE
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
1μF 0805 50V
C
IN
LED STRING
VOLTAGE
(LEDA)
2.5-4V
2.5-4V
2.5-4V
2.5-4V
2.5-4V
2.5-4V
8-12V
8-12V
8-12V
8-12V
8-12V
8-12V
4-6V
6-9V
4-6V
6-9V
4-6V
6-9V
4-6V
6-9V
4-6V
6-9V
4-6V
6-9V
LED STRING
CURRENT
(LEDA)
100mA
100mA
100mA
100mA
350mA
350mA
350mA
350mA
500mA
500mA
500mA
500mA
700mA
700mA
700mA
700mA
35mA
35mA
35mA
35mA
1A
1A
1A
1A
RT
OPTIMAL
open
open
open
open
open
open
487k
487k
open
open
137k
open
open
137k
open
487k
165k
open
open
215k
137k
75k
75k
75k
f
OPTIMAL
0.50M
0.50M
0.50M
0.50M
0.50M
0.50M
0.57M
0.57M
0.50M
0.50M
0.75M
0.90M
0.50M
0.50M
0.75M
0.90M
0.50M
0.57M
0.70M
0.90M
0.50M
0.50M
0.65M
0.75M
RT
88.7k
54.9k
29.4k
54.9k
29.4k
54.9k
29.4k
54.9k
29.4k
open
open
open
open
open
165k
137k
open
165k
open
165k
open
165k
open
137k
MIN
0.50M
0.50M
0.50M
0.50M
0.50M
0.70M
0.75M
0.85M
0.50M
0.70M
1.37M
0.50M
0.70M
1.37M
0.50M
0.70M
1.37M
0.50M
0.75M
1.37M
1.0M
1.0M
1.0M
1.0M
f
MAX
RADJ
2.87k
2.87k
2.87k
2.87k
5.11k
5.11k
5.11k
5.11k
11.8k
11.8k
11.8k
11.8k
open
open
open
open
154
154
154
154
453
453
453
453
LTM8040
BIAS CONNECTION
2.8V to 25V source
2.8V to 25V source
2.8V to 25V source
2.8V to 25V source
2.8V to 25V source
2.8V to 25V source
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
LPWR
13
8040p