When LEDs from various bins are used, the designs of LED lamps must accommodate a wide range of forward voltage. Therefore, each LED driver will be a 350 mA current source designed to ... capacitor ...

driver circuits. Conventionally, driving high-power strings with accurate current requires dedicated switching regulators. Choosing a discrete driver circuit requires an understanding of LED lighting ...

This code supports Application Note AN1138: A Digital Constant Current Power ... analog features. The LED driver circuit is a buck (stepdown) solution and the circuit presented here can operate from ...

Sponsored by Texas Instruments: The LED is the dominant lighting solution today, but the processes involved in driving and dimming them are more sophisticated than you perhaps thought. Light ...

Guest columnist Faraz Hasan, marketing and business development manager at Tyco Electronics Circuit Protection Products says that LEDs can require overcurrent protection despite built-in safety ...

This simple LED driver circuit allows us to drive up to seven LEDs by using ... This parallel connection will not affect the total current drawn from the battery but it will reduce the brightness of ...

The regulator can’t drop out above 0.7 V and drive a 2-V LED consistently. In the standard two-transistor current source used in ... is designed for 12- to 25-V circuits. Many have a maximum ...