OC5504 is a high-end current-sensing synchronous step-down high-precision and high-brightness LED constant current driver controller with built-in high-end MOS synchronous transistor.
The OC5504 sets the output current through an external resistor up to a maximum output current of 3A; Current accuracy±3%; PWM dimming or linear dimming can be achieved via the ADJ pin.
The system adopts the inductor current hysteresis control mode, which has a very fast response to load transients and a high suppression ratio to the input voltage. IT HAS AN INDUCTOR CURRENT RIPPLE OF 20% AND OPERATES UP TO 1MHZ.
The OC5504 is suitable for applications with a wide input voltage range, from 5.5V to 36V
The OC5504 has a built-in over-temperature protection circuit, when the chip reaches the over-temperature protection point, the system immediately enters the over-temperature protection mode, which will reduce the input current to improve system reliability. The OC5504 features a built-in IDO with an output voltage of 5V and a maximum current output of 5mA. The OC5504 is available in an ESOP8 package.

Applications
Architectural, industrial, ambient lighting
MRI6 and LED lights
Automotive lighting