OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LTM8042IV-1#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32
LTM8042/LTM8042-1
19
80421fb
For more information www.linear.com/LTM8042
APPLICATIONS INFORMATION
Figure 3. Suggested Layout for Buck Mode
Figure 4. Suggested Layout for Buck-Boost Mode
BSTOUT/BKIN
LED
+
LED
+
GND
RUN
SYNC
R
T
SS
PWM
TGEN
80421 F03
TG
CTL
V
CC
C
VCC
C
IN
V
IN
V
IN
C
OUT
THERMAL VIAS TO GROUND PLANE
BSTIN/BKLED
–
GND
TO LED STRING
BSTOUT/BKIN
LED
+
LED
+
GND
V
IN
RUN
SYNC
R
T
SS
PWM
TGEN
80421 F04
TG
CTL
V
CC
C
VCC
C
OUT1
C
IN
C
OUT2
THERMAL VIAS TO GROUND PLANE
TO LED STRING TO LED STRING
BSTIN/BKLED
–
LTM8042/LTM8042-1
20
80421fb
For more information www.linear.com/LTM8042
APPLICATIONS INFORMATION
Table 1. LTM8042 Recommended Values and Configuration for Boost (T
A
= 25°C)
V
IN
RANGE
(BSTIN/
BKLED
–
) V
CC
C
IN
(BSTIN/BKLED
–
TO GND)
C
OUT
(BSTOUT/BKIN
TO GND)
LED
STRING
VOL
TAGE
(LED
+
TO
GND)
LED
STRING
CURRENT R
CTL
RT
(OPTI-
MAL)
f
(OP
TI-
MAL)
RT
(MIN)
f
(MAX)
3V to 3.6V Connect to BSTIN/BKLED
–
1µF 0805 X7R 10V 1µF 0805 X7R 10V 4V to 6V 35mA 523 86.6k 250k 37.4k 500k
3V to 5.1V Connect to BSTIN/BKLED
–
1µF 0805 X7R 10V 1µF 0805 X7R 10V 6V to 9V 35mA 523 76.8k 275k 37.4k 500k
3V to 6.3V Connect to BSTIN/BKLED
–
1µF 0805 X7R 10V 1µF 0805 X7R 16V 8V to 12V 35mA 523 69.8k 300k 37.4k 500k
3V to 9.3V Connect to BSTIN/BKLED
–
1µF 0805 X7R 10V 1µF 0805 X7R 16V 12V to 16V 35mA 523 48.7k 400k 30.1k 600k
3V to 10V Connect to BSTIN/BKLED
–
1µF 0805 X7R 10V 1µF 0805 X7R 25V 15V to 21V 35mA 523 37.4k 500k 27.4k 650k
3V to 12.6V Connect to BSTIN/BKLED
–
1µF 0805 X7R 16V 1µF 0805 X7R 25V 18V to 24V 35mA 523 33.2k 550k 24.9k 700k
3.7V to 15V Connect to BSTIN/BKLED
–
1µF 0805 X7R 16V 1µF 0805 X7R 50V 24V to 32V 35mA 523 30.1k 600k 24.9k 700k
3V to 3.85V Connect to BSTIN/BKLED
–
4.7µF 1206 X7R 10V 2.2µF 1206 X7R 10V 4V to 6V 100mA 1.30k 86.6k 250k 37.4k 500k
3V to 5.6V Connect to BSTIN/BKLED
–
4.7µF 1206 X7R 10V 2.2µF 1206 X7R 10V 6V to 9V 100mA 1.30k 76.8k 275k 37.4k 500k
3V to 7V Connect to BSTIN/BKLED
–
4.7µF 1206 X7R 10V 2.2µF 1206 X7R 16V 8V to 12V 100mA 1.30k 69.8k 300k 37.4k 500k
3V to 10.2V Connect to BSTIN/BKLED
–
4.7µF 1206 X7R 16V 2.2µF 1206 X7R 16V 12V to 16V 100mA 1.30k 48.7k 400k 30.1k 600k
4V to 12.6V Connect to BSTIN/BKLED
–
4.7µF 1206 X7R 16V 2.2µF 1206 X7R 25V 15V to 21V 100mA 1.30k 37.4k 500k 30.1k 600k
4V to 14.5V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 16V 2.2µF 1206 X7R 25V 18V to 24V 100mA 1.30k 30.1k 600k 24.9k 700k
6.3V to 18.7V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 25V 2.2µF 1206 X7R 50V 24V to 32V 100mA 1.30k 24.9k 700k 21.0k 800k
3V to 3.8V Connect to BSTIN/BKLED
–
1µF 0805 X7R 10V 2.2µF 1206 X7R 10V 4V to 6V 350mA 4.75k 27.4k 650k 16.9k 950k
3V to 5.5V Connect to BSTIN/BKLED
–
1µF 0805 X7R 10V 2.2µF 1206 X7R 10V 6V to 9V 350mA 4.75k 27.4k 650k 16.9k 950k
3.3V to 7V Connect to BSTIN/BKLED
–
1µF 0805 X7R 10V 2.2µF 1206 X7R 16V 8V to 12V 350mA 4.75k 27.4k 650k 16.9k 950k
4.1V to 10V Connect to BSTIN/BKLED
–
1µF 0805 X7R 10V 2.2µF 1206 X7R 16V 12V to 16V 350mA 4.75k 19.6k 850k 15.8k 1M
5.5V to 12.5V Connect to BSTIN/BKLED
–
1µF 1206 X7R 16V 2.2µF 1206 X7R 25V 15V to 21V 350mA 4.75k 18.2k 900k 12.4k 1.2M
6.4V to 15V Connect to BSTIN/BKLED
–
1µF 1206 X7R 16V 2.2µF 1206 X7R 25V 18V to 24V 350mA 4.75k 16.9k 950k 14.0k 1.1M
9V to 20.8V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 25V 2.2µF 1206 X7R 50V 24V to 32V 350mA 4.75k 16.9k 950k 14.0k 1.1M
3V to 3.8V Connect to BSTIN/BKLED
–
1µF 1206 X7R 10V 2.2µF 1206 X7R 10V 4V to 6V 500mA 7.32k 27.4k 650k 16.9k 950k
3.3V to 5.7V Connect to BSTIN/BKLED
–
1µF 1206 X7R 10V 2.2µF 1206 X7R 10V 6V to 9V 500mA 7.32k 24.9k 700k 16.9k 950k
4V to 7.2V Connect to BSTIN/BKLED
–
1µF 1206 X7R 10V 2.2µF 1206 X7R 16V 8V to 12V 500mA 7.32k 24.9k 700k 16.9k 950k
5.2V to 10.4V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 16V 2.2µF 1206 X7R 16V 12V to 16V 500mA 7.32k 18.2k 900k 12.4k 1.2M
7V to 13V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 16V 4.7µF 1206 X7R 25V 15V to 21V 500mA 7.32k 18.2k 900k 14.0k 1.1M
8.2V to 15.5V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 16V 4.7µF 1206 X7R 25V 18V to 24V 500mA 7.32k 18.2k 900k 14.0k 1.1M
11.8V to 21.2V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 25V 4.7µF 1206 X7R 50V 24V to 32V 500mA 7.32k 16.9k 950k 15.8k 1M
3.3V to 3.5V Connect to BSTIN/BKLED
–
1µF 1206 X7R 10V4 4.7µF 1206 X7R 10V 4V to 6V 700mA 11.8k 27.4k 650k 16.9k 950k
4V to 5.8V Connect to BSTIN/BKLED
–
1µF 1206 X7R 10V 4.7µF 1206 X7R 10V 6V to 9V 700mA 11.8k 24.9k 700k 21.0k 800k
5V to 7.6V Connect to BSTIN/BKLED
–
1µF 1206 X7R 10V 4.7µF 1206 X7R 16V 8V to 12V 700mA 11.8k 24.9k 700k 22.6k 750k
7V to 11V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 16V 4.7µF 1206 X7R 16V 12V to 16V 700mA 11.8k 18.2k 900k 16.9k 950k
9.5V to 13.5V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 16V 4.7µF 1206 X7R 25V 15V to 21V 700mA 11.8k 18.2k 900k 16.9k 950k
11V to 16V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 16V 4.7µF 1206 X7R 25V 18V to 24V 700mA 11.8k 18.2k 900k 16.9k 950k
16.5V to 21V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 25V 4.7µF 1206 X7R 50V 24V to 32V 700mA 11.8k 16.9k 950k 15.8k 1M
5V to 5.8V Connect to BSTIN/BKLED
–
1µF 1206 X7R 10V 4.7µF 1206 X7R 10V 6V to 9V 1A Open 30.1k 600k 22.6k 750k
6.4V to 7.7V Connect to BSTIN/BKLED
–
1µF 1206 X7R 10V 4.7µF 1206 X7R 16V 8V to 12V 1A Open 30.1k 600k 24.9k 700k
8.6V to 11.3V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 16V 4.7µF 1206 X7R 16V 12V to 16V 1A Open 24.9k 700k 22.6k 750k
11.3V to 13.8V Connect to BSTIN/BKLED
–
2.2µF 1206 X7R 16V 4.7µF 1206 X7R 25V 15V to 21V 1A Open 21.0k 800k 19.6k 850k
13.4V to 16.5V Connect to BSTIN/BKLED
–
4.7µF 1206 X7R 25V 4.7µF 1206 X7R 25V 18V to 24V 1A Open 27.4k 650k 24.9k 700k
20.5V to 22.5V Connect to BSTIN/BKLED
–
4.7µF 1206 X7R 25V 4.7µF 1206 X7R 50V 24V to 32V 1A Open 33.2k 550k 30.1k 600k
LTM8042/LTM8042-1
21
80421fb
For more information www.linear.com/LTM8042
APPLICATIONS INFORMATION
Table 2. LTM8042 Recommended Values and Configuration for Buck Mode (T
A
= 25°C)
V
IN
RANGE
(BSTOUT/BKIN) V
CC
CV
CC
C
IN
(BSTOUT/BKIN
TO GND)
C
OUT
(BSTOUT/BKIN TO
BSTIN/BKLED
–
)
LED STRING
VOLTAGE
(LED
+
TO
BSTIN/
BKLED
–
)
LED
STRING
CURRENT R
CTL
RT
(OPTI-
MAL)
f
(OPTI-
MAL)
RT
(MIN)
f
(MAX)
4.4V to 5.5V
3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 2.2µF 1206 X7R 10V 2V to 4V 35mA 523 86.6k 250k 86.6k 250k
6.8V to 14V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 2.2µF 1206 X7R 10V 4V to 6V 35mA 523 86.6k 250k 86.6k 250k
9.6V to 26V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 2.2µF 1206 X7R 16V 6V to 9V 35mA 523 86.6k 250k 86.6k 250k
12.5V to 33V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 2.2µF 1210 X7R 16V 8V to 12V 35mA 523 86.6k 250k 86.6k 250k
16.6V to 33V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 2.2µF 1210 X7R 25V 12V to 16V 35mA 523 86.6k 250k 46.4k 420k
21.8V to 33V 3V to 30V 1µF 0805 X7R 50V 1µ
F 1206 X7R 50V 2.2µF 1210 X7R 25V
15V to 21V 35mA 523 86.6k 250k 33.2k 550k
24.5V to 33V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 2.2µF 1210 X7R 25V 18V to 24V 35mA 523 86.6k 250k 26.1k 670k
4.5V to 21V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1206 X7R 10V 2V to 4V 100mA 1.30k 86.6k 250k 86.6k 250k
6.8V to 33.8V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1206 X7R 10V 4V to 6V 100mA 1.30k 86.6k 250k 86.6k 250k
9.9V to 33.5V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 16V 6V to 9V 100mA 1.30k 76.8k 275k 69.8k 300k
13V to 33.4V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 16V 8V to 12V 100mA 1.30k 69.8k 300k 48.7k 400k
17.2V to 33.1V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 25V 12V to 16V 100mA 1.30k 37.4k 500k 31.6k 575k
23V to 33V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 25V 15V to 21V 100mA 1.30
k 24.9k 700k 19.1k 870k
26V to 33V
3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 25V 18V to 24V 100mA 1.30k 21.0k 800k 12.4k 1.2M
5.2V to 33.6V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1206 X7R 10V 2V to 4V 350mA 4.75k 61.9k 330k 54.9k 365k
7V to 33.4V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1206 X7R 10V 4V to 6V 350mA 4.75k 30.1k 600k 24.9k 700k
10.5V to 33.3V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 16V 6V to 9V 350mA 4.75k 21.0k 800k 15.8k 1M
14.5V to 33.2V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 16V 8V to 12V 350mA 4.75k 12.4k 1.2M 8.25k 1.6M
19.2V to 33V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 25V 12V to 16V 350mA 4.75k 11.0k 1.3M 3.74k 2.5M
25V to 33V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 25V 15V to 21V 350mA 4.75k 11.0k 1.3M 3.74k 2.5M
4.9V to 33V 3V to 30V 1µ
F 0805 X7R 50V 1µF 1206 X7R 50V
4.7µF 1206 X7R 10V 2V to 4V 500mA 7.32k 37.4k 500k 33.2k 550k
7.3V to 33.2V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1206 X7R 10V 4V to 6V 500mA 7.32k 21.0k 800k 18.2k 900k
10.7V to 33V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 16V 6V to 9V 500mA 7.32k 15.8k 1M 11.0k 1.3M
14.1V to 32.8V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 16V 8V to 12V 500mA 7.32k 15.8k 1M 7.50k 1.7M
18.5V to 32.5V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 25V 12V to 16V 500mA 7.32k 15.8k 1M 3.74 2.5M
24.3V to 32.5V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 25V 15V to 21V 500mA 7.32k 15.8k 1M 3.74k 2.5M
5V to 33.2V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1206 X7R 10V 2V to 4V 700mA 11.8k 33.2k 550k 30.1k 600k
7.3V to 32.7V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1206 X7R 10V
4V to 6V 700mA
11.8k 21.0k 800k 18.2k 900k
10.8V to 32.7V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 16V 6V to 9V 700mA 11.8k 15.8k 1M 11.0k 1.3M
14.4V to 32.2V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 16V 8V to 12V 700mA 11.8k 15.8k 1M 7.50k 1.7M
18.8V to 31.7V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 25V 12V to 16V 700mA 11.8k 15.8k 1M 3.74k 2.5M
24.3V to 31.8V 3V to 30V 1µF 0805 X7R 50V 1µF 1206 X7R 50V 4.7µF 1210 X7R 25V 15V to 21V 700mA 11.8k 15.8k 1M 3.74k 2.5M
5V to 32V 3V to 30V 1µF 0805 X7R 50V 2.2µF 1206 X7R 50V 4.7µF 1206 X7R 10V 2V to 4V
1A
Open 33.2k 550k 30.1k 600k
7.2V to 32V 3V to 30V 1µF 0805 X7R 50V 2.2µF 1206 X7R 50V 4.7µF 1206 X7R 10V 4V to 6V
1A
Open 21.0k 800k 16.9k 950k
10.8V to 31V 3V to 30V 1µF 0805 X7R 50V 2.2µF 1206 X7R 50V 4.7µF 1210 X7R 16V 6V to 9V
1A
Open 15.8k 1M 11.0k 1.3M
14.3V to 30.5V 3V to 30V 1µF 0805 X7R 50V 2.2µF 1206 X7R 50V 4.7µF 1210 X7R 16V 8V to 12V
1A
Open 15.8k 1M 7.50k 1.7M
18.9V to 30.5V 3V to 30V 1µF 0805 X7R 50V 2.2µF 1206 X7R 50V 4.7µF 1210 X7R 25V 12V to 16V
1A
Open 15.8k 1M 3.74k 2.5M
24.6V to 30.5V 3V to 30V 1µF 0805 X7R 50V 2.2µF 1206 X7R 50V 4.7µF 1210 X7R 25V 15V to 21V
1A
Open 15.8k 1M 3.74k 2.5M
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P32

LTM8042IV-1#PBF

Mfr. #:
Buy LTM8042IV-1#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
LED Lighting Drivers 350mA Boost LED Drive uModule
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet