OC5266B is a continuous inductor current on-mode step-down LED constant current driver with built-in power MOS and expansion to drive NMOS to drive one or more LED strings. OC5266B operates from 4.8V to 65V, provides adjustable output current, and has a built-in MOS output of 1.5A maximum.
OC5266B Built-in power switch with high-side current-sense circuitry, and dimming foot DIM compatible with PWM and analog dimming. When the voltage of the DIM pin is lower than 0.3V, the output is turned off and enters the standby state.
OC5266B Built-in over-temperature protection circuit, when the chip reaches the over-temperature protection point and enters the over-temperature protection mode, the output current gradually decreases to improve system reliability.
OC5266B The patented circuit architecture enables the output current to be free of overshoot when working at low dropout voltage, improving the working life of the LED, OC5266B using a patented constant current circuit with excellent load regulation and linear adjustment
OC5266B Adds low-end overcurrent protection to protect the chip from damage in the event of a freewheeling diode short-circuit.
OC5266B is available in an ESOP8 package.

Fields of application
LED backup lights, signal lights
Low-voltage LED spotlights instead of halogen lamps
Automotive lighting