| •white led backlight driver |
| |
| part no. |
topology |
input
voltage |
frequency |
output voltage |
max.
led no. |
backlight
type |
brightness control |
package |
|
charge pump |
2.8v~5.0v |
1.0mhz |
5.0v |
4 |
parallel |
pwm |
sot23-6 |
|
4.5v |
6 |
| part no. |
topology |
input
voltage |
frequency |
typical ovp |
maximum efficiency |
max.
led no. |
backlight
type |
dimming
frequency |
package |
|
boost |
2.5v~5.5v |
1.2mhz |
28v |
85% |
6 |
single series wled |
-- |
sot23-6 |
|
boost |
2.6v~5.5v |
1.2mhz |
39v |
88% |
10 |
single series wled |
< 1khz |
sot23-6 |
|
boost |
2.6v~5.5v |
1.2mhz |
39v |
88% |
10 |
single series wled |
up to 200khz |
sot23-6 |
|
boost |
2.6v~5.5v |
1.2mhz |
32v |
90% |
39 |
series/parallel mixed |
< 1khz |
sot23-6 |
|
boost |
2.6v~5.5v |
1.2mhz |
32v |
90% |
39 |
single series wled |
up to 200khz |
sot23-6 |
| part no. |
topology |
input
voltage |
switching
frequency |
protection |
maximum efficiency |
channel
current
matching |
max.
led no. |
led
if |
backlight
type |
brightness control |
lcd
power |
package |
|
boost |
4.5v~26v |
500khz/1mhz |
led open/short
ovp, ocp, otp, uvlo |
88% |
±1.5% |
66 |
20ma |
up to 11 series 6ch constant current sink |
pwm |
-- |
20qfn |
|
boost |
4.5v~26v |
500khz/1mhz |
led open/short
ovp, ocp, otp, uvlo |
88% |
±1.5% |
88 |
20ma |
up to 11 series 8ch constant current sink |
pwm |
-- |
24qfn |
|
boost |
10v~26v |
200khz/400khz |
led open/short
ovp, ocp, otp, uvlo |
90% |
±2.5% |
60 |
80ma |
up to 10 series 6ch constant current sink |
pwm |
-- |
48tqfp |
|
boost |
10v~26v |
200khz/400khz |
led open/short
ovp, ocp, otp, uvlo |
90% |
±2.5% |
80 |
80ma |
up to 10 series 8ch constant current sink |
pwm |
|
48tqfp |
|
|
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