ltm8042 Linear Technology Corporation, ltm8042 Datasheet - Page 22

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

APPLICATIONS INFORMATION
LTM8042/LTM8042-1
Table 3. LTM8042 Recommended Values and Configuration for Buck-Boost Mode (T
22
10.5V to 16.5V
3.5V to 10.1V
4.5V to 24.5V
5.5V to 20.7V
8.2V to 11.4V
7.3V to 20.3V
4.2V to 23.8V
4.7V to 28.5V
6.7V to 26.8V
13.5V to 20V
3.7V to 9.7V
3V to 17.8V
3V to 22.8V
3V to 23.4V
3V to 21.8V
3V to 17.9V
3V to 12.6V
3V to 27.5V
7V to 17.1V
4.5V to 27V
9.4V to 15V
4.7V to 27V
6.1V to 23V
7.3V to 20V
9V to 23.5V
BKLED
3V to 14V
3V to 20V
3V to 21V
3V to 13V
3V to 21V
3V to 28V
3V to 23V
6V to 24V
(BSTIN/
3V to 6V
RANGE
V
IN
–
)
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
3V to 30V
V
CC
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V
1μF 0805 X7R 50V 2.2μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 0805 X7R 50V 2.2μF 1206 X7R 50V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 0805 X7R 50V 2.2μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 0805 X7R 50V 2.2μF 1206 X7R 25V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V
1μF 0805 X7R 50V 2.2μF 1206 X7R 25V 4.7μF 1210 X7R 16V 1μF 1206 X7R 25V 12V to 16V 700mA 11.8k 15.8k
1μF 0805 X7R 50V 2.2μF 1206 X7R 50V 4.7μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 0805 X7R 50V 2.2μF 1206 X7R 50V 4.7μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 0805 X7R 50V 4.7μF 1210 X7R 25V 4.7μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 0805 X7R 50V 4.7μF 1210 X7R 25V 4.7μF 1210 X7R 16V 1μF 1206 X7R 25V
(V
CC
CV
to GND)
CC
1μF 0805 X7R 10V
1μF 0805 X7R 16V
1μF 1206 X7R 25V
1μF 1206 X7R 25V
1μF 1206 X7R 25V
1μF 0805 X7R 16V
1μF 0805 X7R 16V
1μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 1206 X7R 25V
1μF 1206 X7R 25V
1μF 1206 X7R 25V
1μF 1206 X7R 25V
1μF 0805 X7R 16V
1μF 0805 X7R 10V
1μF 1206 X7R 50V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 1206 X7R 50V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 1206 X7R 25V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V
1μF 1206 X7R 25V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V 12V to 16V 350mA 4.75k 15.8k
1μF 0805 X7R 16V 4.7μF 1210 X7R 25V 1μF 1206 X7R 25V 15V to 21V 350mA 4.75k 18.2k
1μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 1206 X7R 50V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V
1μF 1206 X7R 25V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V
1μF 0805 X7R 16V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V 12V to 16V 500mA 7.32k 15.8k
(BSTIN/BKLED
TO GND)
C
IN
–
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 16V
1μF 0805 X7R 16V
1μF 1206 X7R 25V
1μF 1206 X7R 25V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 16V
1μF 0805 X7R 16V
1μF 1206 X7R 25V
1μF 1206 X7R 25V
(BSTOUT/BKIN
TO BSTIN/
BKLED
C
OUT1
–
)
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 0805 X7R 16V
1μF 1206 X7R 25V 12V to 16V
1μF 1206 X7R 25V 15V to 21V
1μF 1206 X7R 25V 18V to 24V
1μF 0805 X7R 10V
1μF 0805 X7R 10V
1μF 1206 X7R 25V
1μF 1206 X7R 25V 12V to 16V 100mA 1.30k 19.6k
1μF 1206 X7R 25V 15V to 21V 100mA 1.30k 19.6k
1μF 1206 X7R 25V 18V to 24V 100mA 1.30k 19.6k
(BSTOUT/BKIN
TO GND)
C
OUT2
A
= 25°C)
VOLTAGE
(LED
BKLED
8V to 12V
8V to 12V
8V to 12V
8V to 12V
8V to 12V
8V to 12V
STRING
2V to 4V
4V to 6V
6V to 9V
2V to 4V
4V to 6V
6V to 9V
2V to 4V
4V to 6V
6V to 9V
2V to 4V
4V to 6V
6V to 9V
2V to 4V
4V to 6V
6V to 9V
2V to 4V
4V to 6V
6V to 9V
BSTIN/
LED
+
to
–
)
STRING
CURR-
100mA 1.30k 86.6k
100mA 1.30k 48.7k
100mA 1.30k 37.4k
100mA 1.30k 21.0k
350mA 4.75k 43.2k
350mA 4.75k 33.2k
350mA 4.75k 24.9k
350mA 4.75k 15.8k
500mA 7.32k 27.4k
500mA 7.32k 21.0k
500mA 7.32k 15.8k
500mA 7.32k 15.8k
700mA 11.8k 24.9k
700mA 11.8k 16.9k
700mA 11.8k 16.9k
700mA 11.8k 16.9k
35mA
35mA
35mA
35mA
35mA
35mA
35mA
LED
ENT
1A
1A
1A
1A
R
Open 24.9k
Open 22.6k
Open 22.6k
Open 22.6k
523
523
523
523
523
523
523
CTL
(OPTI-
MAL)
86.6k
86.6k
86.6k
86.6k
48.7k
37.4k
22.6k
RT
(OPTI-
MAL)
250k
250k
250k
250k
400k
500k
750k
250k
400k
500k
800k
850k
850k
850k
450k
550k
700k
900k
650k
800k
700k
950k
950k
950k
700k
750k
750k
750k
1M
1M
1M
1M
1M
1M
f
(MIN)
86.6k
86.6k
86.6k
57.6k
27.4k
10.0k
3.74k
69.8k
43.2k
30.1k
16.9k
11.0k
4.02k
3.74k
37.4k
24.9k
10.7k 1.35M
6.19k
3.74k
3.74k
24.9k
19.6k
10.0k
6.34k 1.85M
3.74k
22.6k
15.8k
9.09k
6.19k
3.74k
22.6k
16.9k
10.0k
5.76k
RT
(MAX)
80421fa
1.4M
2.5M
1.3M
2.4M
2.5M
1.9M
2.5M
2.5M
1.4M
2.5M
1.5M
1.9M
2.5M
1.4M
250k
250k
250k
350k
650k
300k
450k
600k
950k
500k
700k
700k
850k
750k
750k
950k
1M
2M
f