The LM3405 demo board is configured to drive a series string of high power, high brightness LEDs at a forward current of 1A using the LM3405 constant current buck regulator. The board can accept a full input operating range of 3V to 15V.

This demonstration board utilizes the AL9910A high voltage PWM LED Buck controller providing a cost effective solution for offline high brightness LED applications. This user-friendly evaluation board provides users with quick connection to their different types LEDs string. The demonstration board can be modified to adjust the LED output current (140mA) and the number of series connected LEDs th…

This demonstration board utilizes theAL9910A high voltage PWM LED Buck controller providing a cost effective solution for offline high brightness LED applications

The AL5802 combines a high gain NPN transistor with a pre-biased NPN transistor to make a simple small footprint LED driver. The LED current is set by an external resistor connected from REXT pin (6) to GND pin (4). The internal high gain transistor develops approximately 0.6V across the external resistor.

This engineering report describes a non-isolated 14 W output and high-line input voltage range (195 VAC–265 VAC) power supply utilizing the TNY279GN for an LED lighting application.

The TPS92410EVM-001 evaluation module (EVM) helps designers evaluate the operation and performance of the TPS92410 direct drive linear controller designed for use with the TPS92411 in offline LED-drive applications. The TPS92410 is designed to control the drive of high-brightness light emitting diodes (LEDs) and features a wide input voltage range (9.5 V to 400 V), thermal foldback, analog dimmin…

The TPS92510EVM-011 evaluation module (EVM) helps designers evaluate the operation and performance of the TPS92510 DC/DC converter, a high-brightness light emitting diode (LED) driver. The converter is a wide input voltage (3.5 V to 60 V), 2.5-MHz, non-synchronous, externally compensated, step down converter capable of 1.5 A of output current.

The purpose of the STEVAL-ILL051V2 demonstration board is to aid in the evaluation of the LED2000, an 850 kHz fixed switching frequency monolithic step-down DC-DC converter. The LED2000 is designed to operate as a precise constant current source with an adjustable current capability up to 3 A DC.

This user’s guide contains background information for the TPS61196 as well as setup and operation instructions for the TPS61196EVM-600 evaluation module (EVM). Also included are test results, printed circuit board (PCB) layouts, schematics, and the bill of materials (BOM) for the EVM.

Demonstration Circuit 1827A features a 110V LED controller with spread spectrum frequency modulation – the LT®3795. Unlike most boosts, the circuit disconnects the output to protect against shorts or other fault conditions when the input voltage exceeds the output. The input voltage range for normal operation is from 8V to 60V. OVLO becomes active for inputs above 63V and the maximum input voltag…