LED drivers use 4 outputs for their design.In this case, there are 8 terminations.It has a base configuration of 8 pins.This device produces a voltage of 4V volts.Moreover, it can be classified as Display Drivers due to its characteristics.
PCA9633DP1T Features
PCA9633DP1T Applications
There are a lot of NXP Semiconductors / Freescale PCA9633DP1T LED Driver ICs applications.