STLD41 Datasheet - STMicroelectronics

STLD41 White LED driver

The STLD41 is a boost converter that operates from 3.0 V to 21 V and can provide an output voltage as high as 38 V. It can drive up to 40 white LEDs connected in 4 strings of 10 LEDs in series. The total output current capability is 120 mA at an output voltage of 38 V. Regulation is performed by th.

STLD41 Features

* Boost DC-DC converter

* Drives up to 40 LEDs (4 strings of 10) with a total current up to 120 mA

* Input voltage range: 3.0 V to 21 V

* Output current control

* 1.4 MHz fixed frequency PWM control

* PWM input for output current dimming with frequency range 25 kHz - 50 kHz

STLD41-STMicroelectronics.pdf