Datasheet Details
Part number:
IS31LT3948
Manufacturer:
Lumissil
File Size:
500.61 KB
Description:
Pfm mode boost led driver.
Datasheet Details
Part number:
IS31LT3948
Manufacturer:
Lumissil
File Size:
500.61 KB
Description:
Pfm mode boost led driver.
IS31LT3948, PFM MODE BOOST LED DRIVER
The IS31LT3948 is a PFM step-up DC-DC converter designed for driving the white LED arrays for large size LCD panel backlighting applications.
It can deliver stable constant output current from a few milliamps up to 2A, programmed via an external resistor.
The IS31LT3948 utilizes a control scheme in
IS31LT3948 Features
* external PWM dimming, which allows the flexible control of the back-lighting luminance. The IS31LT3948 has a wide input voltage range from 5V to 100V (Note). An integrated OVP circuit protects the chip and the system even under no-load conditions. The chip is assembled in SOP-8 package. It operates
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