LT3966JUJ#PBF

LT3966 is an I2C programmable monolithic boost LED driver with four independent channels. Each channel provides a 60V current mode boost converter with an internal 1.6A DMOS power switch, as well as internal and external analogue and PWM dimming features. I2C programmable features include a 13bit (8192:1) digital PWM generator, 8-bit analogue dimming DAC, and flexible fault reporting and handling. An on-board 8bit ADC allows measurement of each channel’s output voltage and output current, as well as chip input voltage and two external measurements. In addition, independent shutdown and standby control of each channel provides flexible solutions for multitopology applications. Applications include backlighting and heads up displays.

• Four independent DC/DC channels
• I2C programmable
• 8192:1 True Colour PWM™ dimming
• 8bit analogue dimming pin scaled by DAC
• 11-channel, 8bit ADC with 2 external inputs
• 1.6A, 60V internal DMOS switches, input voltage range from 3V to 60V
• Output voltage and current monitoring to 60V
• High side PMOS disconnect and PWM switch driver
• Adjustable frequency from 300KHz to 4MHz with optional frequency synchronization
• 40-lead plastic QFN package, -40°C to 150°C temperature range

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