16-Channel LED Driver Offers 5000:1 True Color PWM Dimming

A 2MHz fixed frequency, current mode architecture offers stable operation over a wide range of input and output voltages while minimizing the size of the external components. Power switches, Schottky diodes and compensation components are all internal, providing a very small solution footprint while minimizing component cost. Its thermally enhanced 5mm x 9mm QFN package ensures a very compact solution footprint, driving up to 30Watts of LEDs.

The LT3595 uses 100mA, 45V internal switches. An external resistor sets the LED current for all 16 channels and dimming is then controlled for each channel using individual PWM pins. The relative current matching among the 16 drivers is 8%, ensuring uniform LED brightness. The LT3595 also enables LEDs to be disconnected in shutdown, open LED and thermal protection.