PT4121 Datasheet (PowTech) - Step-down High Brightness LED Controller

PT4121, Step-down High Brightness LED Controller

The PT4121 is a high efficiency step-down controller.It is designed to operate in continuous conduction mode and drive single or multiple series connected LED efficiently from a voltage source higher than the total LED chain voltage.

It operates with a wide input voltage from 6V to 60V and provides

PT4121 Features

* Simple low parts count

* Wide input voltage range: 6V to 60V

* High efficiency (up to 97%)

* Single pin on/off and brightness control using DC Voltage or PWM

* Up to 1MHz switching frequency

* Adjustable Constant LED Current

* Typical 3% output current accuracy

* Hi