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LTM8042/LTM8042-1
APPLICATIONS INFORMATION
Table 1. LTM8042 Recommended Values and Configuration for Boost (T A = 25°C)
LED
V IN
STRING
RANGE
(BSTIN/
BKLED – )
V CC
C IN
(BSTIN/BKLED –
TO GND)
C OUT
(BSTOUT/BKIN
TO GND)
VOLTAGE
(LED + TO
GND)
LED
STRING
CURRENT R CTL
RT f
(OPTI- (OPTI- RT f
MAL) MAL) (MIN) (MAX)
3V to 3.6V
3V to 5.1V
3V to 6.3V
3V to 9.3V
3V to 10V
3V to 12.6V
3.7V to 15V
3V to 3.85V
3V to 5.6V
3V to 7V
3V to 10.2V
4V to 12.6V
4V to 14.5V
6.3V to 18.7V
3V to 3.8V
3V to 5.5V
3.3V to 7V
4.1V to 10V
5.5V to 12.5V
6.4V to 15V
9V to 20.8V
3V to 3.8V
3.3V to 5.7V
4V to 7.2V
5.2V to 10.4V
7V to 13V
8.2V to 15.5V
11.8V to 21.2V
3.3V to 3.5V
4V to 5.8V
5V to 7.6V
7V to 11V
9.5V to 13.5V
11V to 16V
16.5V to 21V
5V to 5.8V
6.4V to 7.7V
8.6V to 11.3V
11.3V to 13.8V
13.4V to 16.5V
20.5V to 22.5V
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
Connect to BSTIN/BKLED –
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 16V
1μF 0805 X7R 16V
4.7μF 1206 X7R 10V
4.7μF 1206 X7R 10V
4.7μF 1206 X7R 10V
4.7μF 1206 X7R 16V
4.7μF 1206 X7R 16V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 25V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 1206 X7R 16V
1μF 1206 X7R 16V
2.2μF 1206 X7R 25V
1μF 1206 X7R 10V
1μF 1206 X7R 10V
1μF 1206 X7R 10V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 25V
1μF 1206 X7R 10V4
1μF 1206 X7R 10V
1μF 1206 X7R 10V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 25V
1μF 1206 X7R 10V
1μF 1206 X7R 10V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 16V
4.7μF 1206 X7R 25V
4.7μF 1206 X7R 25V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 16V
1μF 0805 X7R 16V
1μF 0805 X7R 25V
1μF 0805 X7R 25V
1μF 0805 X7R 50V
2.2μF 1206 X7R 10V
2.2μF 1206 X7R 10V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 25V
2.2μF 1206 X7R 25V
2.2μF 1206 X7R 50V
2.2μF 1206 X7R 10V
2.2μF 1206 X7R 10V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 25V
2.2μF 1206 X7R 25V
2.2μF 1206 X7R 50V
2.2μF 1206 X7R 10V
2.2μF 1206 X7R 10V
2.2μF 1206 X7R 16V
2.2μF 1206 X7R 16V
4.7μF 1206 X7R 25V
4.7μF 1206 X7R 25V
4.7μF 1206 X7R 50V
4.7μF 1206 X7R 10V
4.7μF 1206 X7R 10V
4.7μF 1206 X7R 16V
4.7μF 1206 X7R 16V
4.7μF 1206 X7R 25V
4.7μF 1206 X7R 25V
4.7μF 1206 X7R 50V
4.7μF 1206 X7R 10V
4.7μF 1206 X7R 16V
4.7μF 1206 X7R 16V
4.7μF 1206 X7R 25V
4.7μF 1206 X7R 25V
4.7μF 1206 X7R 50V
4V to 6V 35mA 523
6V to 9V 35mA 523
8V to 12V 35mA 523
12V to 16V 35mA 523
15V to 21V 35mA 523
18V to 24V 35mA 523
24V to 32V 35mA 523
4V to 6V 100mA 1.30k
6V to 9V 100mA 1.30k
8V to 12V 100mA 1.30k
12V to 16V 100mA 1.30k
15V to 21V 100mA 1.30k
18V to 24V 100mA 1.30k
24V to 32V 100mA 1.30k
4V to 6V 350mA 4.75k
6V to 9V 350mA 4.75k
8V to 12V 350mA 4.75k
12V to 16V 350mA 4.75k
15V to 21V 350mA 4.75k
18V to 24V 350mA 4.75k
24V to 32V 350mA 4.75k
4V to 6V 500mA 7.32k
6V to 9V 500mA 7.32k
8V to 12V 500mA 7.32k
12V to 16V 500mA 7.32k
15V to 21V 500mA 7.32k
18V to 24V 500mA 7.32k
24V to 32V 500mA 7.32k
4V to 6V 700mA 11.8k
6V to 9V 700mA 11.8k
8V to 12V 700mA 11.8k
12V to 16V 700mA 11.8k
15V to 21V 700mA 11.8k
18V to 24V 700mA 11.8k
24V to 32V 700mA 11.8k
6V to 9V 1A Open
8V to 12V 1A Open
12V to 16V 1A Open
15V to 21V 1A Open
18V to 24V 1A Open
24V to 32V 1A Open
86.6k 250k 37.4k 500k
76.8k 275k 37.4k 500k
69.8k 300k 37.4k 500k
48.7k 400k 30.1k 600k
37.4k 500k 27.4k 650k
33.2k 550k 24.9k 700k
30.1k 600k 24.9k 700k
86.6k 250k 37.4k 500k
76.8k 275k 37.4k 500k
69.8k 300k 37.4k 500k
48.7k 400k 30.1k 600k
37.4k 500k 30.1k 600k
30.1k 600k 24.9k 700k
24.9k 700k 21.0k 800k
27.4k 650k 16.9k 950k
27.4k 650k 16.9k 950k
27.4k 650k 16.9k 950k
19.6k 850k 15.8k 1M
18.2k 900k 12.4k 1.2M
16.9k 950k 14.0k 1.1M
16.9k 950k 14.0k 1.1M
27.4k 650k 16.9k 950k
24.9k 700k 16.9k 950k
24.9k 700k 16.9k 950k
18.2k 900k 12.4k 1.2M
18.2k 900k 14.0k 1.1M
18.2k 900k 14.0k 1.1M
16.9k 950k 15.8k 1M
27.4k 650k 16.9k 950k
24.9k 700k 21.0k 800k
24.9k 700k 22.6k 750k
18.2k 900k 16.9k 950k
18.2k 900k 16.9k 950k
18.2k 900k 16.9k 950k
16.9k 950k 15.8k 1M
30.1k 600k 22.6k 750k
30.1k 600k 24.9k 700k
24.9k 700k 22.6k 750k
21.0k 800k 19.6k 850k
27.4k 650k 24.9k 700k
33.2k 550k 30.1k 600k
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