The LM3492 integrates a boost converter and a two-channel current regulator to implement a highly efficient and cost effective LED driver for driving two individually dimmable LED strings with a maximum power of 15 W and an output voltage of up to 65 V. The boost converter employs a proprietary projected-on-time control method to give a fast transient response with no compensation required, and a…

Demonstration circuits 1511A-A and 1511A-B feature the LTM®8042 and the LTM8042-1, which are respectively complete 1A and 350mA µModule LED drivers. The demonstration circuits are assembled as boost topologies, accepting an input voltage from 3V to 30V and supporting an output up to 32V (see Table 1).

Demonstration circuits 1511A-A and 1511A-B feature the LTM®8042 and the LTM8042-1, which are respectively complete 1A and 350mA µModule LED drivers. The demonstration circuits are assembled as boost topologies, accepting an input voltage from 3V to 30V and supporting an output up to 32V (see Table 1).

This document is an engineering report describing two constant current and constant voltage (CC/CV) power supplies utilizing DPA423G (at 20 W) and DPA424G (at 30 W).

Demonstration circuit DC2342A is a 60V synchronous boost LED controller featuring the LT3762. It drives a single string of LEDs at 2A up to 32V when VIN is between 7V and 28V. It runs down to 4VIN with reduced ILED and can withstand VIN transients as high as 30V.

The MCP1643 Synchronous Boost LED Constant Current Regulator Evaluation Board is used to evaluate and demonstrate Microchip Technology’s MCP1643 device. This board demonstrates the MCP1643 in a boost converter application supplied by one AA battery, or from an external voltage source, which drives an LED with four selectable currents. The MCP1643 Synchronous Boost LED Constant Current Regulator E…

The LM3463 is a 6-channel linear LED driver with Dynamic Headroom Control (DHC) designed to drive six strings of high brightness LEDs at maximum supply voltage up to 95V. Each output channel of the LM3463 evaluation board is designed to deliver 200 mA of LED driving current. The LED turn-on voltage is set to 48 V by default, thus the board is able to deliver up to 57.6 W total output power.

Demonstration circuit 1166 is a 48V Buck-Mode LED Driver featuring the LT3590. The LT3590 is a fixed frequency buck mode converter specifically designed to drive up to 10 LEDs in series from a 48V DC source. Series connection of the LEDs provides identical LED currents of up to 50mA, resulting in uniform brightness and eliminating the need for ballast resistors. A fixed frequency current mode arc…

Demonstration circuit 1039 is a 600mA Universal Multi-Output LED/CAM Driver with six white LEDs, two RGB LEDs, and a camera flash featuring the LTC3207/LTC3207-1. The LTC3207/LTC3207-1 is a low noise charge pump designed to drive 12 universal LED (ULED) current sources and one high current camera flash.

This Application Note introduces Infineon’s Hysteritic Buck DC/DC LED driver ILD6150 for general lighting application. It describes the demo board, performance as well as design ideas for various applications. The ILD6150 offers high efficiency, various protection features, superior dimming performance & reliability for high performance lighting system.