The LT®8391 is a synchronous 4-switch buck-boost LED controller that regulates LED current from input voltage above, below, or equal to the output voltag.
nn 4-Switch Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT nn Synchronous Switching: Up to 98% Efficiency nn Proprietary Peak-Buck Peak-Boost Current Mode nn Wide VIN Range: 4V to 60V nn Wide VOUT Range: 0V to 60V (51V LED) nn ±3% LED Current Accuracy nn 2000:1 External and 128:1 Internal PWM Dimming nn High Side PMOS PWM Switch Driver nn Integrated Bootstrap Diodes nn No Top MOSFET Refresh Noise in Buck or Boost nn Adjustable and Synchronizable: 150kHz to 650kHz nn Flicker-Free Spread Spectrum for Low EMI nn Open and Short LED Protection with Fault Reporting nn Availabl.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | LT8390 |
Linear Technology |
60V Synchronous 4-Switch Buck-Boost Controller | |
2 | LT8390 |
Analog Devices |
60V Synchronous 4-Switch Buck-Boost Controller | |
3 | LT8390A |
Analog Devices |
60V 2MHz Synchronous 4-Switch Buck-Boost Controller | |
4 | LT8391A |
Analog Devices |
60V 2MHz Synchronous 4-Switch Buck-Boost LED Driver Controller | |
5 | LT8300 |
Linear Technology |
100VIN Micropower Isolated Flyback Converter | |
6 | LT8301 |
Linear Technology |
Micropower No-Opto Isolated Flyback Converter | |
7 | LT8302 |
Linear Technology |
Micropower No-Opto Isolated Flyback Converter | |
8 | LT8302 |
Analog Devices |
Micropower No-Opto Isolated Flyback Converter | |
9 | LT8302-3 |
Linear |
Micropower No-Opto Isolated Flyback Converter | |
10 | LT8302-3 |
Analog Devices |
Micropower No-Opto Isolated Flyback Converter | |
11 | LT8303 |
Linear |
Micropower Isolated Flyback Converter | |
12 | LT8304 |
Linear |
Flyback Converter |